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Sling 4 TSi Pilot's Handbook Manual

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4
SERI AL NO :
REG I ST RAT I O N :
DC- POH- 001- X- F - 2. 2
PI L OT OPE RAT I NG HANDBOOK
DAT E: 01 F EBRUARY 2021
REVI S I O N 2. 2
S L I NG AI RCRAF T | HANG AR 8 T EDDERF I EL D AI R PARK, J HB S O UT H, EI KENHO F , 1872
S O UT H AF RI CA PO BO X 308, EI KENHO F , 1872, S O UT H AF RI CA
Phone : +27 11 948 9898 | I nf or m at i on : t echni cal @ s l i ngai r cr af t . com

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  • Page 1 SERI AL NO : REG I ST RAT I O N : DC- POH- 001- X- F - 2. 2 PI L OT OPE RAT I NG HANDBOOK DAT E: 01 F EBRUARY 2021 REVI S I O N 2. 2 S L I NG AI RCRAF T | HANG AR 8 T EDDERF I EL D AI R PARK, J HB S O UT H, EI KENHO F , 1872 S O UT H AF RI CA PO BO X 308, EI KENHO F , 1872, S O UT H AF RI CA Phone : +27 11 948 9898 | I nf or m at i on : t echni cal @ s l i ngai r cr af t .
  • Page 2 Aircraft Serial Number: Date of Construction: Registration: Issue Date: 2021/02/01 PLEASE ADVISE SLING AIRCRAFT ON CHANGE OF OWNERSHIP OF THE AIRCRAFT This aircraft must be operated in compliance with information and limitations contained herein. This available on board the aircraft at all times.
  • Page 3 Sling 4 TSi Pilot Operating Handbook NOTICE THIS MANUAL IS WRITTEN FOR THE STANDARD Sling 4 TSi, AS MANUFACTURED ON PREMISES BY SLING AIRCRAFT (PTY) LTD. AIRCRAFT WHICH DIFFER FROM THE PRODUCTION STANDARD, IN WHATEVER WAY, ARE NOT ADDRESSED IN THIS MANUAL, EXCEPT TO THE EXTENT THAT SUCH AIRCRAFT CORRESPONDS WITH THE PRODUCTION STANDARD.
  • Page 5 Sling 4 TSi Pilot Operating Handbook LIST OF EFFECTIVE PAGES Page Page Status Latest Revision Page Page Status Latest Revision Revised 1-14 Revised Revised 1-15 Revised Revised 1-16 Revised Revised 1-17 Revised Revised 1-18 Removed Revised 2-1/2 Revised Revised Revised...
  • Page 6 Sling 4 TSi Pilot Operating Handbook Page Page Status Latest Revision Page Page Status Latest Revision Revised 3-23 Revised 3-1/2 Revised 3-24 Revised Revised 3-25 Revised Revised 4-1/2 Revised Revised Revised Revised Revised Revised Revised Revised Revised 3-10 Revised Revised...
  • Page 7 Sling 4 TSi Pilot Operating Handbook Page Page Status Latest Revision Page Page Status Latest Revision 4-20 Revised 6-13 Revised 4-21 Revised 7-1/2 Revised 4-22 Revised Revised 5-1/2 Revised Revised Revised Revised Revised Revised Revised Revised Revised Revised Revised Revised...
  • Page 8 Sling 4 TSi Pilot Operating Handbook Page Page Status Latest Revision Page Page Status Latest Revision 7-22 Revised 7-43 Revised 7-23 Revised 7-44 Revised 7-24 Revised 7-45 Revised 7-25 Revised 7-46 Revised 7-26 Revised 7-47 Revised 7-27 Revised 7-48 Revised...
  • Page 9 Sling 4 TSi Pilot Operating Handbook Page Page Status Latest Revision Revised Revised Revised Revised Revised 9-10 Revised 9-11 Revised Page | viii DC-POH-001-X-F-2.2 Revision: 2.2...
  • Page 10 Sling 4 TSi Pilot Operating Handbook TABLE OF CONTENTS GENERAL INFORMATION ................1-1 LIMITATIONS ..................... 2-1 EMERGENCY AND ABNORMAL PROCEDURES ........... 3-1 NORMAL PROCEDURES ................4-1 PERFORMANCE ..................5-1 WEIGHT AND BALANCE ................6-1 SYSTEMS ....................7-1 AIRCRAFT GROUND HANDLING AND SERVICING ........8-1 SUPPLEMENTARY INFORMATION .............

  • Page 11: Table Of Contents

    Introduction to aircraft ................1-3 Warnings, cautions and notes ..............1-4 Aircraft 3-view drawing ................1-5 Data for the Sling 4 TSi aircraft and systems ..........1-6 Terminology, symbols and conversion factors ........1-11 Supporting documents ................1-17 Page | 1-1/1-2 DC-POH-001-X-F-2.2...

  • Page 12: Introduction To Aircraft

    Pilot Operating Handbook 1. Introduction to aircraft The Sling 4 TSi is a four seat (two pairs of side-by-side seats), single engine, fixed tricycle undercarriage (with steerable nose wheel) aluminium aircraft of semi- monocoque construction with a conventional low wing design.

  • Page 13: Warnings, Cautions And Notes

    Sling 4 TSi Pilot Operating Handbook 2. Warnings, cautions and notes The following definitions apply to warnings, cautions and notes in the Pilot Operating Handbook. WARNING Means that non-compliance to the corresponding procedure leads to immediate or important degradation of flight safety.

  • Page 14: Aircraft 3-View Drawing

    Sling 4 TSi Pilot Operating Handbook 3. Aircraft 3-view drawing 7175 1772 9544 1950 Note that dimensions in this drawing are in millimetres. 3020 1188 Page | 1-5 DC-POH-001-X-F-2.2 Revision: 2.2...

  • Page 15: Data For The Sling 4 Tsi Aircraft And Systems

    Sling 4 TSi Pilot Operating Handbook 4. Data for the Sling 4 TSi aircraft and systems WING Span: 9 544 mm (31.31 ft) Area (gross): 11.51 m² (123.89 ft²) Aspect ratio: 7.79 Dihedral: 4.5° Tip washout: 1.5° Aileron area: 0.85 m² (9.149 ft²) Flap area: 1.71 m²...
  • Page 16 Sling 4 TSi Pilot Operating Handbook FUSELAGE Length: 6 220 mm (20.41 ft) Width: 1 188 mm (3.90 ft) Total aircraft length: 7 175 mm (23.54 ft) LANDING GEAR Wheel track: 1.95 m (6.40 ft) Wheel base: 1.72 m (5.64 ft)
  • Page 17 Sling 4 TSi Pilot Operating Handbook ENGINE Manufacturer: Bombardier-Rotax GmbH Model: Rotax 915 iS turbo charged 4 stroke engine Type: 4-Cylinder horizontally opposed, turbocharged, 1 352 cc displacement, mixed cooling (liquid-cooled heads and air-cooled cylinders), fuel injected, integrated reduction gearbox with torque damper...
  • Page 18 Sling 4 TSi Pilot Operating Handbook FUEL Fuel grade: Min. MON 85 / RON 95, min. AKI 91 (Refer to the latest revision of the Rotax engine and operator manuals and the latest revision of Rotax service instruction). Fuel tanks:...
  • Page 19 Sling 4 TSi Pilot Operating Handbook COOLING Cooling system: Mixed air and liquid pressurized closed circuit. Coolant: Ethylene glycol-based coolant with 50% water content. (Refer to the latest revision of the Rotax engine installation, operator and maintenance manuals and the latest revision of the Rotax service instruction.

  • Page 20: Terminology, Symbols And Conversion Factors

    Sling 4 TSi Pilot Operating Handbook 5. Terminology, symbols and conversion factors General terminology / acronyms Alternating Current AHRS Attitude and Heading Reference System Anti-Knock Index Altimeter American Petroleum Institute Airspeed Indicator AVGAS Aviation gasoline Communication (radio) EFIS Electronic Flight Information System...
  • Page 21 Sling 4 TSi Pilot Operating Handbook General airspeed terminology and symbols Indicated Airspeed Calibrated Airspeed, being the indicated airspeed corrected for KCAS position and instrument error, expressed in knots. Indicated Airspeed, being the speed shown on the airspeed indicator, KIAS expressed in knots.
  • Page 22 Sling 4 TSi Pilot Operating Handbook Best Rate of Climb Speed, being the speed (at MAUW, flaps fully retracted) which results in the greatest altitude gain over a given time period. Meteorological terminology International Standard Atmosphere The local pressure setting that if set on the subscale of an altimeter will cause the altimeter to indicate local altitude above mean sea level.
  • Page 23 Sling 4 TSi Pilot Operating Handbook Aircraft performance and flight planning terminology The velocity of the crosswind component for which adequate Crosswind control of the aircraft during takeoff and landing can be component demonstrated. The acceleration/load factor The distance measured during landing from actual touchdown to Ground run the end of the landing run.
  • Page 24 Reference datum is an imaginary vertical plane from which all horizontal distances are measured for balance purposes. (In Datum the Sling 4 TSi this plane is located 52mm aft of the Rotax 915 iS propeller face). Empty Weight The weight of the aircraft with engine fluids and oil at operating levels.
  • Page 25 Sling 4 TSi Pilot Operating Handbook Useful conversion factors 1 pound 0.4536 kilogram 1 pound per square inch 6.895 kilopascal 1 inch 25.4 millimetres 1 foot 0.3048 metre 1 statute mile 1.609 kilometres 1 nautical mile 1.852 kilometres 1 millibar...

  • Page 26: Supporting Documents

    Sling 4 TSi Pilot Operating Handbook 6. Supporting documents The following documents are regarded as supporting documents to this Pilot Operating Handbook: Latest revision / edition of the Operators Manual for Rotax® Engine Type 915 i A Series. Latest revision / edition of the Airmaster AP3 Series and AP4 Series Constant Speed Propeller Operators Manual.
  • Page 27 Sling 4 TSi Pilot Operating Handbook 2.1 Introduction ....................2-3 2.2 Airspeed limitations .................. 2-3 2.3 Airspeed indicator markings ..............2-4 2.4 Stall speed adjustment for turning flight and load factor ......2-5 2.5 Crosswind and wind limitation (demonstrated) ........2-6 2.6 Service ceiling ...................

  • Page 28: Introduction

    Sling 4 TSi Pilot Operating Handbook Introduction This section includes operating limitations, instrument markings and basic placards necessary for the safe operation of the Sling 4 TSi, its engine, systems and equipment. Airspeed limitations SPEED KIAS REMARKS Never exceed Never exceed this speed in any operation.

  • Page 29: Airspeed Indicator Markings

    Sling 4 TSi Pilot Operating Handbook Airspeed indicator markings MARKING KIAS SIGNIFICANCE Flap Operating Range (lower limit is V maximum weight, and upper limit is the White arc 48-85 maximum speed (V ) permissible with flaps deployed). Normal Operating Range (lower limit is V...

  • Page 30: Stall Speed Adjustment For Turning Flight And Load Factor

    Sling 4 TSi Pilot Operating Handbook Stall speed adjustment for turning flight and load factor Stall speeds listed in Section 2 (this section) are listed for straight and level (non-turning) flight at load factor = 1 g and should be adjusted for turning flight or increased load factor: This graph is only valid for level (i.e.

  • Page 31: Crosswind And Wind Limitation (Demonstrated)

    Sling 4 TSi Pilot Operating Handbook Crosswind and wind limitation (demonstrated) Maximum demonstrated cross wind component for take-off and landing: 15 kt Service ceiling Service ceiling: 18 000 ft Load factors Maximum positive limit load factor: +3.8 g Maximum negative limit load factor: -1.9 g...

  • Page 32: Centre Of Gravity Range

    Sling 4 TSi Pilot Operating Handbook Centre of gravity range Datum 52mm aft of the centre of the front face of the engine propeller flange. Reference - longitudinal levelling Second row of rivets down from (i.e. - below) the canopy frame edge, on the aircraft fuselage side, above the wing.

  • Page 33: Prohibited Manoeuvres

    Sling 4 TSi Pilot Operating Handbook Prohibited manoeuvres The Sling 4 TSi is approved for normal manoeuvres including the following: Steep turns not exceeding 60° bank. Lazy eights. Chandelles. Stalls (not including whip stalls). WARNING Aerobatics and intentional spins are prohibited.

  • Page 34: Kinds Of Operation

    Sling 4 TSi Pilot Operating Handbook 2.12 Kinds of operation The Sling 4 TSi, in standard configuration, is approved only for day VFR operation. Minimum equipment required is as follows- Altimeter with adjustable subscale pressure setting Airspeed indicator Vertical speed indicator...
  • Page 35 Sling 4 TSi Pilot Operating Handbook NOTE Additional equipment may be required to fulfil national or specific requirements and, provided these do not interfere with other aircraft instrumentation, they may be fitted. WARNING Notwithstanding that installed equipment may include GPS and...

  • Page 36: Engine Operating Limits

    Sling 4 TSi Pilot Operating Handbook 2.13 Engine operating limits Instruments indicating engine parameters should in each case be marked/set to reflect the minimum and maximum values. Always refer to the latest edition/revision of the engine Operators Manual for the latest information regarding operating limitations.
  • Page 37 Sling 4 TSi Pilot Operating Handbook ENGINE OPERATING AND SPEED LIMITS Engine Model: ROTAX 915 iS Engine Manufacturer: Bombardier-Rotax GmbH Maximum take-off 105 kW (141 hp) at 5800 rpm, maximum 5 minutes Maximum continuous 100 kW (135 hp) at 5 500 rpm...

  • Page 38: Other Limitations

    Sling 4 TSi Pilot Operating Handbook 2.14 Other limitations No smoking is allowed on board of the aircraft. VFR flights only are permitted in aircraft equipped in accordance with the provisions of this POH. WARNING IFR flights and intentional flights under icing conditions are...

  • Page 39: Limitation Placards

    Sling 4 TSi Pilot Operating Handbook 2.16 Limitation placards The following limitation warning placards must be placed in the aircraft and positioned in plain view of the pilot, passenger(s) or third person(s), as required. On the instrument panel (the first line may be omitted if the aircraft is...
  • Page 40 NO STEP On a fireproof metal plate attached to the aircraft: ZU-### CONSTRUCTOR SLING AIRCRAFT MODEL Sling 4 TSi AIRCRAFT SERIAL NUMBER ### ENGINE ROTAX 915 iS 141 HP MANUFACTURED ### Note: ### represents the information applicable to the specific aircraft.
  • Page 41 Sling 4 TSi Pilot Operating Handbook The aircraft must be placarded to show the identity of: All fuses/circuit breakers. Starter and ignition (lane) switches. All other switches. Trim control: NOSE UP and DOWN. Flap control: UP and DOWN (and intermediate positions).
  • Page 42 Sling 4 TSi Pilot Operating Handbook 3.1 Introduction ....................3-3 3.2 Speeds for emergency operations ............3-4 3.3 Engine related emergencies ..............3-5 3.4 Smoke and fire ..................3-10 3.5 Emergency landings ................3-14 3.6 Recovery from an unintentional spin ............3-18 3.7 Ballistic parachute deployment ..............

  • Page 43: Introduction

    Sling 4 TSi Pilot Operating Handbook Introduction This section provides checklists and amplified procedures for coping with various emergencies that may arise. Emergencies caused by aircraft or engine malfunction are extremely rare if proper pre-flight inspections and maintenance are practiced. However, should an emergency arise, the basic guidelines described in this section should be considered and applied as necessary to correct the problem.

  • Page 44: Speeds For Emergency Operations

    Sling 4 TSi Pilot Operating Handbook Speeds for emergency operations SPEED KIAS REMARKS The speed (at MAUW, flaps fully Taken from retracted) which results in the greatest flight tests gliding (horizontal) distance. Best Glide performed Speed Horizontal distance travelled in still air is...

  • Page 45: Engine Related Emergencies

    Sling 4 TSi Pilot Operating Handbook Engine related emergencies Reference should also be made to the operator s manual for the Rotax 915 iS engine for operational guidelines and instructions. These should be incorporated into the normal or emergency procedures as applicable.
  • Page 46 Sling 4 TSi Pilot Operating Handbook 3.3.2 Engine failure immediately after take-off Aircraft Component Action 1. Speed/trim Best glide speed (72 KIAS) 2. Find a suitable/safe location to land. The landing should be planned straight ahead, with only small changes in direction not exceeding 30 degrees to either side.
  • Page 47 Sling 4 TSi Pilot Operating Handbook 3.3.3 Engine irregularities in flight 3.3.3.1 Irregular engine rpm Aircraft Component Action 1. Lanes / Ignition 2. Throttle Position Verify 3. Fuel Quantity Verify 4. Engine Parameters Verify 5. Auxiliary Fuel Pump If engine continues to run irregularly 6.
  • Page 48 Sling 4 TSi Pilot Operating Handbook 3.3.3.3 Low oil pressure (0.8 bar/11.6 psi or less) Aircraft Component Action 1. Oil Temperature Check If temperature is high or increasing 2. Speed 75KIAS 3. Power Minimum Required If temperature remains high 4. Land...
  • Page 49 Sling 4 TSi Pilot Operating Handbook 3.3.4 In-flight engine restart Aircraft Component Action 1. Both electric fuel pumps 2. ECU Backup 3. Fuel selector Switch to unused/fullest tank 4. Throttle Set to middle position 5. Master switch 6. Lanes/ignition On (both) 7.

  • Page 50: Smoke And Fire

    Sling 4 TSi Pilot Operating Handbook Smoke and fire 3.4.1 Engine fire on ground during start Aircraft Component Action 1. Starter Release 2. Fuel selector Close 3. Electric fuel pumps (both) 4. Throttle Idle 5. Lanes/ignition 6. Master switch 7. Retrieve fire extinguisher if possible.
  • Page 51 Sling 4 TSi Pilot Operating Handbook 3.4.4 Engine fire during take-off run Aircraft Component Action 1. Throttle Idle 2. Brakes Stop the aircraft 3. Fuel selector Close 4. Electric fuel pumps (both) 5. Lanes ignition 6. Master switch 7. Retrieve fire extinguisher if possible.
  • Page 52 Sling 4 TSi Pilot Operating Handbook 3.4.6 Electrical fire in flight An electrical fire is often characterized by white smoke and an acrid smell of hot or burning insulation. Aircraft Component Action 1. ECU Backup 2. Master switch Off (see NOTE A below).
  • Page 53 Sling 4 TSi Pilot Operating Handbook 3.4.7 Cabin fire If the fire is electrical in nature, follow the procedure for electrical fires in flight (paragraph 3.4.6). Alternatively: Aircraft component Action 1. Air vents Close 2. Use the fire extinguisher (if possible).

  • Page 54: Emergency Landings

    Sling 4 TSi Pilot Operating Handbook Emergency landings Emergency landings are generally carried out in the case of engine failure during which the engine cannot be re-started. Other reasons for an emergency landing may, however, arise (such as an on-board fire).
  • Page 55 Sling 4 TSi Pilot Operating Handbook EMERGENCY PROPELLER FEATHER PROCEDURE 1. Select AUTO/FEATHER. 2. Actuate feather engage switch to initiate automatic feathering cycle. CAUTION The pilot should be aware that a feathered propeller is less likely to break if it hits the ground, as it is stronger in this orientation.
  • Page 56 Sling 4 TSi Pilot Operating Handbook 3.5.2 Precautionary landing A precautionary landing is generally carried out in cases where the pilot may be disorientated, the aircraft has no fuel reserve or possibly in bad weather conditions. Aircraft component Action Landing Area...
  • Page 57 Sling 4 TSi Pilot Operating Handbook 3.5.3 Landing with a flat tyre/damaged wheel Aircraft component Action 1. Main Gear If a main landing gear tyre is flat or a wheel is Damage damaged, perform touch-down at the lowest practical speed with the aircraft slightly banked towards the serviceable tyre/wheel.

  • Page 58: Recovery From An Unintentional Spin

    Sling 4 TSi Pilot Operating Handbook Recovery from an unintentional spin WARNING Intentional spins are prohibited! The aircraft is unlikely to enter an unintentional spin unless extreme inputs are applied for an extended period. Unintentional spin recovery technique: Aircraft component Action 1.

  • Page 59: Ballistic Parachute Deployment

    Sling 4 TSi Pilot Operating Handbook Ballistic parachute deployment Procedures for the deployment of the ballistic parachute are listed below. Refer to the latest Magnum Ballistic Rescue Parachute System Installation and U Manual. Aircraft component Action 1. Observe ballistic parachute operational parameters (refer to paragraph 7.8.

  • Page 60: Other Emergencies

    Sling 4 TSi Pilot Operating Handbook Other emergencies 3.8.1 Vibration If any abnormal aircraft vibration occurs: Aircraft component Action 1. Power Set to where vibration minimal 2. Land As soon as possible. 3.8.2 EFIS system failure Aircraft component Action 1. Orientation Maintain straight and level flight 2.
  • Page 61 Sling 4 TSi Pilot Operating Handbook 3.8.3 Generator 1 and Generator 2 failure Generator 1 failure When Generator 1 fails (with Generator 2 still operational) the EMS/ECU automatically switches over to Generator 2. Note that in this event Generator 2 output is (or only partially) available to the aircraft systems / charge the main battery.
  • Page 62 Sling 4 TSi Pilot Operating Handbook Aircraft component Action 1. EFIS main switch 2. All non-critical electrical equipment (navigation, strobe, taxi, landing lights, etc.) 3. Auxiliary fuel pump 4. Autopilot 5. Propeller AUTO/CLIMB (or as desired) 6. When propeller governs at climb...
  • Page 63 Sling 4 TSi Pilot Operating Handbook 3.8.4 Main bus power failure Refer to paragraph 7.19 under Main bus for a list of equipment affected by a loss of power to the main bus. Aircraft component Action 1. ECU Backup 2. Auxiliary Fuel Pump 3.
  • Page 64 Sling 4 TSi Pilot Operating Handbook 3.8.5 Propeller control failure The propeller / propeller controller can fail in a variety of modes / ways. The pilot should completely familiarize him or herself with the parts of the Airmaster Emergency Operation and Failure Modes.
  • Page 65 Sling 4 TSi Pilot Operating Handbook CAUTION If failure occurred with propeller pitch set at any other pitch than the fine pitch limit, full power from the engine/propeller combination may not be available at low speeds. Consideration should be given to this during approach and landing.
  • Page 66 Sling 4 TSi Pilot Operating Handbook 4.1 Introduction ....................4-3 4.2 Speeds for normal operation ..............4-3 4.3 Use of taxi, landing, strobe and navigation lights ........4-4 4.4 Pre-flight check ..................4-5 4.5 Engine start ..................... 4-10 4.6 Taxi ......................4-14 4.7 Normal take-off ..................

  • Page 67: Introduction

    Sling 4 TSi Pilot Operating Handbook Introduction This section provides checklists and recommended procedures for normal operation of the aircraft. Speeds for normal operation Unless otherwise noted, the following speeds are based on the maximum weight of 950 kg (2 094 lb). (Refer to page 2-3 for airspeed limitations)

  • Page 68: Use Of Taxi, Landing, Strobe And Navigation Lights

    Sling 4 TSi Pilot Operating Handbook Use of taxi, landing, strobe and navigation lights Refer to paragraph 7.25. Taxi lights should be used as appropriate and their use should be incorporated in the applicable (taxi and before take-off) procedures as required. Consider taxi...

  • Page 69: Pre-Flight Check

    Sling 4 TSi Pilot Operating Handbook Pre-flight check Carry out the pre-flight inspection every day prior to the first fight. Pre-flight inspections must also be performed after any accident, incident, maintenance activity, assembly of any aircraft component or suchlike. Incomplete or careless inspection can result in an accident.
  • Page 70 Sling 4 TSi Pilot Operating Handbook Inspection Check List 1. Cabin Aircraft component Action Lanes Both off Master switch EFIS switch Fuel level indicator Check fuel quantity (both tanks). Flaps Select full down position. EFIS switch Master switch Avionics Switch on, verify condition, switch off...
  • Page 71 Sling 4 TSi Pilot Operating Handbook 3. Empennage Aircraft components Action Tie-down ropes Removed Horizontal and vertical stabilizers Check condition Elevator and tab Condition and movement Rudder Condition and movement Hinges, control horns, bolts, pushrod Condition and secure 4. Right wing and main gear...
  • Page 72 Sling 4 TSi Pilot Operating Handbook 5. Nose section and nose gear Aircraft component Action Engine cowling condition Check Propeller and spinner condition Check Air intakes Check Radiators Check Engine mount and exhaust manifold condition Check Oil and coolant quantity...
  • Page 73 Sling 4 TSi Pilot Operating Handbook 6. Left wing Aircraft components Action Wheel spat Check for cracks and security. Leading edge condition Check Taxi / landing lights and lens Check for cracks and condition. Fluid leaks, security, general Tyre, wheel and brake condition, tyre condition, inflation, wear.

  • Page 74: Engine Start

    Sling 4 TSi Pilot Operating Handbook Engine start Reference should be made to the Operator Manual for the Rotax 915 iS engine for operational guidelines and instructions. These should be incorporated into the normal or emergency procedures as applicable. CAUTION Observe temperature limits for engine start as specified in paragraph 2.13.
  • Page 75 Sling 4 TSi Pilot Operating Handbook 4.5.2 Engine start Aircraft component Action On, verify EFIS on and verify back-up battery 1. EFIS back-up battery voltage. 2. PFD (EFIS 1) 3. Master switch 4. Lane switches On (both) 5. Fuel pumps...
  • Page 76 Sling 4 TSi Pilot Operating Handbook CAUTION The starter should be activated for a maximum of 10 seconds, followed by a 2- minute pause to allow for starter cooling. Verify the oil pressure, which should increase within 10 seconds. Increase the engine speed only if oil pressure is steady above 3 bar (43.51 psi).
  • Page 77 Sling 4 TSi Pilot Operating Handbook 4.5.4 Engine warm up, lane and propeller check Warm up Initial engine warm-up is at 2 000 rpm for approximately 2 minutes, then increase to 2 500 rpm until the oil temperature reaches 50 °C (122 °F). The warm-up period depends on the ambient air temperature.

  • Page 78: Taxi

    Sling 4 TSi Pilot Operating Handbook 4.6 Taxi Aircraft component Action 1. Flaps 2. Brakes Off (carefully check park brake shut-off valve is off) 3. Power and brakes As required 4. Brakes Verify correct operation 5. Instruments Check Apply power and brakes as needed. Apply brakes to control movement on ground.

  • Page 79: Normal Take-Off

    Sling 4 TSi Pilot Operating Handbook 4.7 Normal take-off 4.7.1 Before take-off Aircraft component Action Full and free movement, correct Controls deflection/directions Trim Neutral Master Lanes On (both, A and B) Verify Lanes at 4 000 rpm as per paragraph 4.5.4...
  • Page 80 Sling 4 TSi Pilot Operating Handbook 4.7.2 Take-off Aircraft component Action Throttle fully forward (max. 5 1. Take-off power 800 rpm for 5 minutes) 2. Engine speed Check rpm (5 500 to 5 800 rpm) 3. Engine parameters within limits Verify parameters as per section 2.13 of this manual...

  • Page 81: Climb

    Sling 4 TSi Pilot Operating Handbook 4.8 Climb Aircraft component Action 1. Propeller AUTO / CLIMB 2. Throttle Maximum continuous power (5 500 rpm). = 65 KIAS 3. Airspeed = 75 KIAS Cruise climb = 85 to 100 KIAS 4. Trim...

  • Page 82: Cruise

    Sling 4 TSi Pilot Operating Handbook 4.9 Cruise Refer to Section 5 for recommended cruise figures/settings. WARNING If a fuel lift pipe in the fuel tank is exposed to air, the pump will suck air into the engine (from the empty tank) and engine failure will result. When one tank is empty, or close to empty, the fuel selector valve should be switched to the fullest tank.

  • Page 83: Approach

    Sling 4 TSi Pilot Operating Handbook 4.11 Approach Aircraft component Action 1. Propeller AUTO / TO 2. Approach speed: - Long final 70 KIAS to 85 KIAS - Short final 5 KIAS 3. Auxiliary electric fuel pump 4. Fuel selector Fullest tank 5.

  • Page 84: Normal Landing

    Sling 4 TSi Pilot Operating Handbook 4.12 Normal landing 4.12.1 Landing Aircraft component Action 1. Throttle As required Flare to minimum flying speed, touch-down on 2. Controls main wheels. 3. Nose wheel Gently lower to ground As required (after the nose wheel touch-down) 4.

  • Page 85: Baulked Landing Procedures

    Sling 4 TSi Pilot Operating Handbook 4.13 Baulked landing procedures Aircraft component Action 1. Throttle Full power (5 800 rpm, max. 5 minutes). 2. Trim As required Retract to 1 notch as soon as possible. 3. Wing flaps Retract fully when reaching 75 KIAS (at a minimum height of 300 ft).

  • Page 86: Aircraft Parking And Tie-Down

    Sling 4 TSi Pilot Operating Handbook 4.16 Aircraft parking and tie-down Aircraft component Action 1. Site Park the aircraft on as level an area as possible. 2. Lanes Verify off 3. Master switch Verify off 4. Fuel selector 5. Parking brake Apply as necessary.
  • Page 87 Sling 4 TSi Pilot Operating Handbook 5.1 Introduction ....................5-3 5.2 Take-off and landing distance ..............5-3 5.3 Rate of climb ..................... 5-5 5.4 Cruise speeds .................... 5-6 5.5 Fuel consumption ..................5-7 5.6 Airspeed indicator system calibration ............5-8 Page | 5-1/5-2 DC-POH-001-X-F-2.2...

  • Page 88: Introduction

    If not stated otherwise, the performance stated in this section is valid for maximum take-off weight (950 kg/2094.39 lb) under ISA conditions. The performance stated in this section is valid for Sling 4 TSi aircraft fitted with a 105 kW (141 hp) ROTAX 915 iS engine and an Airmaster AP430CTF-WWR72B propeller.
  • Page 89 Sling 4 TSi Pilot Operating Handbook Landing distances: 50 ft ISA (MAUW) Runway Landing run distance Landing distance over 15 m (50 ft) (braked) obstacle Concrete 150 m (492 ft) 350 m (1148 ft) 7000 ft Density altitude (MAUW) Runway Landing run distance...

  • Page 90: Rate Of Climb

    Sling 4 TSi Pilot Operating Handbook Rate of climb Conditions: Best rate of climb Rate of Max. continuous power: 5500 rpm speed climb Weight: 950 kg (2094.39 lb) [KIAS] 0 ft ISA 1000 3 000 ft ISA 6 000 ft ISA...

  • Page 91: Cruise Speeds

    Sling 4 TSi Pilot Operating Handbook Cruise speeds Constant speed propeller with cruise setting. Altitude Power Cruise Speed Engine rpm [ft ISA] setting [KIAS] 5 000 5 000 5 000 3000 5 000 5 000 6000 5 000 5 000...

  • Page 92: Fuel Consumption

    Sling 4 TSi Pilot Operating Handbook Fuel consumption With constant speed propeller. (Values listed below are subject to change with further testing) Altitude [ft ISA] 6 000 Fuel [ l ] *176/198 quantity US gallons *46.49/52.31 Engine [rpm] 5750 5500...

  • Page 93: Airspeed Indicator System Calibration

    Sling 4 TSi Pilot Operating Handbook Airspeed indicator system calibration KCAS KIAS KCAS (average) (This aircraft) Page | 5-8 DC-POH-001-X-F-2.2 Revision: 2.2...
  • Page 94 Sling 4 TSi Pilot Operating Handbook 6.1 Introduction ....................6-3 6.2 Installed equipment (standard) list ............6-3 6.3 Center of gravity (CG) range ..............6-4 6.4 Determining aircraft CG ................6-6 6.5 Empty CG determination ................6-7 6.6 Forward CG check (example) ..............6-8 6.7 Rear CG check (example) ................

  • Page 95: Introduction

    Pilot Operating Handbook Introduction This section contains weight and balance records and the payload range for safe operating of the Sling 4 TSi aircraft. Installed equipment list (standard) Multifunction glass cockpit instrument - typically a Garmin G3X EFIS with associated ancillary equipment...

  • Page 96: Center Of Gravity (Cg) Range

    Sling 4 TSi Pilot Operating Handbook Centre of gravity (CG) range 2043 Aft CG 1847 Forward CG 464 NW 1800 Fuel Note that dimensions in this drawing 1902 Front Seats are in millimetres (metric) 2236 Main Undercarriage 2948 Rear Seats...
  • Page 97 Sling 4 TSi Pilot Operating Handbook 1000 2205 Allowable CG Envelope 2094.39 1984 1852 1764 FLIGHT ALLOWED IN SHADED AREA ONLY 1543 1323 1102 1080.26 881.84 Percentage of MAC WARNING Aircraft CG and MAUW limitations must be adhered to at all times.

  • Page 98: Determining Aircraft Cg

    CG range/limits). The aircraft empty CG is determined in a conventional manner by weighing the aircraft whilst it is standing level. (Refer to the Sling 4 TSi aircraft maintenance manual for instructions on aircraft levelling and weighing). Page | 6-6 DC-POH-001-X-F-2.2...

  • Page 99: Empty Cg Determination

    Sling 4 TSi Pilot Operating Handbook Empty CG determination MOMENT WEIGHT ITEM (weight x arm) [kg (lb)] [mm (ft)] [kg.mm (lb. ft)] Right Main = 2 236 (7.336) Wheel Left Main = 2 236 (7.336) Wheel Nose Wheel = 464 (1.522)

  • Page 100: Forward Cg Check (Example)

    Sling 4 TSi Pilot Operating Handbook Forward CG check (example) MOMENT WEIGHT (weight x arm) [kg (lb)] [mm (ft)] [kg.mm (lb.ft)] CREW (FRONT) 160 (352.740) 1 902 (6.240) 304 320 (2201.151) PASSENGERS 2 948 (9.672) (REAR) BAGGAGE 3 288 (10.787) BAGGAGE EXT.
  • Page 101 Sling 4 TSi Pilot Operating Handbook Forward CG position on graph 1000 2205 Allowable CG Envelope 2094.39 1984 1852 1764 1543 1323 1102 1080.26 881.84 CG (Percentage of MAC) Page | 6-9 DC-POH-001-X-F-2.2 Revision: 2.2...

  • Page 102: Rear Cg Check (Example)

    Sling 4 TSi Pilot Operating Handbook Rear CG check (example) MOMENT WEIGHT (weight x arm) [kg (lb)] [mm (ft)] [kg.mm (lb.ft)] CREW 160 (352.740) 1 902 (6.240) 304 320 (2201.091) (FRONT) PASSENGERS 120 (264.555) 2 948 (9.672) 353 760 (2558.751)
  • Page 103 Sling 4 TSi Pilot Operating Handbook Rear CG position on graph 1000 2205 Allowable CG Envelope 2094.39 1984 1852 1764 1543 1323 1102 1080.26 881.84 CG (Percentage of MAC) NOTE: THIS EXAMPLE SHOWS AN OUT OF ENVELOPE CG! Page | 6-11 DC-POH-001-X-F-2.2...

  • Page 104: Blank Form And Graph

    Sling 4 TSi Pilot Operating Handbook Blank form and graph WEIGHT MOMENT [kg (lb)] [mm (ft)] (weight x arm) [kg.mm (lb.ft)] CREW (FRONT) 1 902 (6.240) PASSENGERS 2 948 (9.672) (REAR) BAGGAGE 3 288 (10.787) BAGGAGE EXT. 3 762 (12.342) FUEL 1 800 (5.906)
  • Page 105 Sling 4 TSi Pilot Operating Handbook 1000 2205 Allowable CG Envelope 2094.39 1984 1852 1764 1543 1323 1102 1080.26 881.84 CG (Percentage of MAC) WARNING Aircraft CG and MAUW limitations must be adhered to at all times. WARNING For each flight the most forward CG (i.e. with take-off fuel) and the most rearward CG (i.e.
  • Page 106 Sling 4 TSi Pilot Operating Handbook 7.1 Introduction ....................7-3 7.2 Airframe ....................7-3 7.3 Control system / pilot controls ..............7-3 7.4 Landing gear ................... 7-13 7.5 Brake system ..................7-13 7.6 Seats ....................... 7-14 7.7 Safety harness ..................7-14 7.8 Ballistic rescue parachute ...............

  • Page 107: Introduction

    Pilot Operating Handbook Introduction This section provides information applicable to the various systems found on the Sling 4 TSi aircraft. Airframe The aircraft has an all-metal construction with single curvature stressed aluminium alloy skins riveted to stiffeners. Construction is of 6061-T6 aluminium alloy sheet metal riveted to aluminium alloy angles with high quality blind rivets.
  • Page 108 Sling 4 TSi Pilot Operating Handbook Rudder pedals / nose wheel steering The aircraft is fitted with dual rudder pedals, which control the rudder and steer the nose wheel. Brake lever and park brake shut-off valve Refer to paragraphs 7.5 and 7.12.
  • Page 109 Sling 4 TSi Pilot Operating Handbook Electrical equipment selection / control switches Switch / Function Position Label MASTER Switch power to main bus on/off. Connects EFIS system to EFIS back-up EFIS BKUP battery supply. UP (ON); Switch power to propeller motor and...
  • Page 110 Sling 4 TSi Pilot Operating Handbook Propeller FINE INDICATOR LIGHT AUTOMATIC / MANUAL SELECTOR SWITCH COARSE INDICATOR LIGHT PROPELLER CONTROL SELECTOR KNOB (BLUE) FEATHER INDICATOR LIGHT FEATHER ENGAGE SWITCH PROPELLER CONTROLLER MANUAL PROPELLER CONTROL SWITCH Page | 7-6 DC-POH-001-X-F-2.2 Revision: 2.2...
  • Page 111 Sling 4 TSi Pilot Operating Handbook Pilot operable controls related to the constant speed propeller system are the following: Switch / Function Position Label Activates / deactivates power supply to propeller controller UP (ON); unit and to the propeller motor. Located on instrument...
  • Page 112 Sling 4 TSi Pilot Operating Handbook Switch / Function Position Label Initiates automatic feathering of the propeller. It functions differently in automatic (AUTO) and manual (MAN) operation as follows: AUTO. Set the Propeller Control Selector Knob to FEATHER. Engaging this switch (Feather Engage Switch) initiates automatic feathering cycle (takes 20 40s depending UP (ON);...
  • Page 113 Sling 4 TSi Pilot Operating Handbook Switch / Function Position Label MAN. Allows direct control of propeller pitch when manual over- ride is enabled. Pitch continues to change in selected direction if switch is UP (FINE); held, or pitch limit reached.
  • Page 114 Sling 4 TSi Pilot Operating Handbook Indicator light Propeller status Fine Coarse Feather Pitch decreasing Orange Pitch increasing Orange Pitch increasing in feather Orange Orange No speed signal flashing Fine pitch limit Green Coarse pitch limit Green Feather pitch limit...
  • Page 115 Sling 4 TSi Pilot Operating Handbook EFIS operation and control EFIS function selection and control mechanisms are described in detail in the EFIS manufacturer supplied documentation. Please refer to such. Refer to paragraph 7.13 for additional information on operational use of the EFIS system.
  • Page 116 Sling 4 TSi Pilot Operating Handbook position. If the switch is held up for more than 1 second, the flaps will automatically move to the full up position. Selector Position Degrees flap deflection Toggle down 1 (from fully up) 12°...

  • Page 117: Landing Gear

    Sling 4 TSi Pilot Operating Handbook Landing gear The landing gear is a tricycle landing gear with a steerable nose wheel. The main landing gear uses a single continuous composite spring section. Brake system The aircraft braking system is a single hydraulic system acting on both wheels of the main landing gear via disc brakes.

  • Page 118: Seats

    Sling 4 TSi Pilot Operating Handbook A conventional, differential, foot-controlled braking system may also be fitted as an option. In such cases each brake calliper is separately actuated by way of a master hydraulic brake cylinder fitted to the rudder pedal on the side of the aircraft corresponding to the wheel on which the applicable calliper is located.
  • Page 119 Sling 4 TSi Pilot Operating Handbook WARNING Prior to each flight, ensure that the seat belts are firmly secured to the airframe, and that the belts are not damaged. Page | 7-15 DC-POH-001-X-F-2.2 Revision: 2.2...

  • Page 120: Ballistic Rescue Parachute

    Sling 4 TSi Pilot Operating Handbook Ballistic rescue parachute The Sling 4 TSi is designed specifically for convenient fitment of a Magnum 901 ballistic parachute recovery system. The system is designed to enable the pilot or passenger to deploy the parachute in...

  • Page 121: Baggage Compartment

    Sling 4 TSi Pilot Operating Handbook Baggage compartment The baggage compartment is positioned behind the rear seats and is designed to carry up to 35 kg (77.16 lb) in total. The luggage extension compartment is located on the left side of the rear bulkhead. The luggage extension is extruded past the rear bulkhead and into the rear fuselage.

  • Page 122: Pitot And Static System

    Sling 4 TSi Pilot Operating Handbook 7.11 Pitot and static system A pitot tube is located below the left wing. Pressure distribution to the instruments is through flexible plastic hoses. The pitot tube incorporates a second inlet for measurement of angle of attack. The static ports are located on the sides of the rear fuselage.

  • Page 123: Cockpit Layout

    Pilot Operating Handbook 7.12 Cockpit layout The basic cockpit layout is the same for all Sling 4 TSi aircraft, notwithstanding that instrumentation may differ substantially. All Sling 4 TSi aircraft contain the minimum instrumentation, but aircraft may contain additional instrumentation.
  • Page 124 Sling 4 TSi Pilot Operating Handbook If differential footbrakes are fitted the hand operated brake actuator on the centre console will be absent. Front air vents are located on the lower right and left sides of the instrument panel. Rear air vents are located on the side panels behind the front seats.

  • Page 125: Instruments And Avionics

    Sling 4 TSi Pilot Operating Handbook 7.13 Instruments and avionics The diagram below represents a standard instrument panel containing typically fitted instrumentation. The instrument panel in any aircraft may differ from that illustrated in the diagram. It is the responsibility of the pilot to ensure that he/she is familiar with the instrumentation in the aircraft, its layout and its operation.
  • Page 126 Sling 4 TSi Pilot Operating Handbook Power ON light 18 GMC 307 Control unit Master switch 19 Cabin heat fan speed knob Ballistic rescue parachute Ignition switch activation handle Lane A and Lane B warning Cabin heat temperature control lights...
  • Page 127 Sling 4 TSi Pilot Operating Handbook Radio and Transponder Power to the radio and transponder is provided via the main bus, through a circuit breaker and activated via a single switch (for both) labelled AVIONICS, located on the instrument panel. Refer to paragraph 7.19.2.
  • Page 128 Sling 4 TSi Pilot Operating Handbook Engine manifold pressure Percentage engine power Fuel calculator The EFIS installed in the aircraft is typically powered by two separate power sources: From the main bus, through a circuit breaker and a main selection switch (labelled EFIS) mounted on the instrument panel.
  • Page 129 Sling 4 TSi Pilot Operating Handbook will cause the EFIS to be powered from the main bus, contributing (unnecessarily) to the discharge of the main battery. Set the EFIS screen brightness to the minimum acceptable for readability (to reduce current drain on the back-up battery).

  • Page 130: Flap And Elevator Trim Systems

    Sling 4 TSi Pilot Operating Handbook 7.14 Flap and elevator trim systems The aircraft is equipped with electric flaps and an electric elevator trim system. The flap motor is located in the cabin centre console. The two wing flaps are interconnected via a torque tube, which is driven at a single point by the flap motor.

  • Page 131: Standard Fitted And Minimum Required Instruments And Equipment

    Airspeed indicator Tachometer Outside air temperature indicator Chronometer Compass The following additional instrumentation and equipment is fitted as standard on all Sling 4 TSi aircraft: EFIS incorporating: Full flight information Fuel system information Electrical system information Engine information First aid kit (compliant with national legislation)

  • Page 132: Engine

    Sling 4 TSi Pilot Operating Handbook 7.16 Engine The Rotax 915 iS engine is a turbo charged 4-stroke, 4-cylinder, horizontally opposed, fuel injected, ignition engine with one central camshaft-push-rod- OHV. The engine features liquid cooled cylinder heads with ram air cooled cylinders.
  • Page 133 Sling 4 TSi Pilot Operating Handbook Coolant type Conventional ethylene glycol-based coolant and distilled water mixture (1:1 mix) can be used (refer to the latest edition/revision of the ROTAX 915 iS engine Operator Manual). Refer to the latest revision suitable operating fluids for...

  • Page 134: Throttle

    Sling 4 TSi Pilot Operating Handbook 7.18 Throttle Engine power output is controlled by means of a hand operated throttle lever situated on the centre console. Refer to paragraph 7.12. Forward movement of the throttle lever increases engine power and backward movement decreases engine power.

  • Page 135: Electrical System

    Sling 4 TSi Pilot Operating Handbook 7.19 Electrical system Included are circuit / system which are relevant / can aid the pilot / operator s understanding of the operational procedures described in this manual. Refer to paragraphs 7.19.1 to 7.19.3.
  • Page 136 Sling 4 TSi Pilot Operating Handbook Charge system Refer to paragraph 7.19.1. The alternating current (AC) output of the engine driven generator is routed to a rectifier/regulator where it is converted (rectified) and regulated, to provide direct current (DC) output available to the aircraft systems (e.g.
  • Page 137 Sling 4 TSi Pilot Operating Handbook Main bus Refer to paragraphs 7.19.1 and 7.19.2. When power to the main bus is removed/lost/fails (i.e. Master switch turned off, generator fails and battery is flattened) the following equipment becomes non-operational: Auxiliary fuel pump Flaps Autopilot (i.e.
  • Page 138 Sling 4 TSi Pilot Operating Handbook With loss of power to the ECU, the waste gate servo is not powered and will remain in its last commanded position. Boost pressure control is not available and limited flight operation is applicable.
  • Page 139 Sling 4 TSi Pilot Operating Handbook Avionics / equipment switches Refer to paragraph 7.19.2. Lever type (ON/OFF toggle) switches are in the UP position for activation (i.e. ON) unless otherwise specified in paragraph 7.3. Optional equipment, switches and/or fuses are subject to change or installed as requested.
  • Page 140 Sling 4 TSi Pilot Operating Handbook 7.19.1 Charge system / start system / fuel pump wiring diagram Page | 7-36 DC-POH-001-X-F-2.2 Revision: 2.2...
  • Page 141 Sling 4 TSi Pilot Operating Handbook 7.19.2 Switches and circuit breakers wiring diagram Page | 7-37 DC-POH-001-X-F-2.2 Revision: 2.2...
  • Page 142 Sling 4 TSi Pilot Operating Handbook 7.19.3 EFIS back-up circuit / back-up battery wiring diagram (single EFIS) Page | 7-38 DC-POH-001-X-F-2.2 Revision: 2.2...

  • Page 143: Propeller

    Sling 4 TSi Pilot Operating Handbook 7.20 Propeller 430CTF-WWR72B 3-blade constant speed propeller with composite blades. Propeller control is via an electronic control unit mounted on the instrument panel. Refer to pilot controls in 7.3 for operation. Power to the propeller/propeller controller is provided via the main bus, through a circuit breaker and is activated by a switch labelled PROP, located on the instrument panel.

  • Page 144: Fuel System

    Sling 4 TSi Pilot Operating Handbook 7.21 Fuel system Left fuel tank Right fuel tank Fuel selector FS202-D2-F ANDAIR gascolator Rotax fuel pump Fuel pressure sensor Bypass pressure valve Rotax fuel filter Jet T piece Rotax 915 iS AN6 90...
  • Page 145 Sling 4 TSi Pilot Operating Handbook The aircraft has two fuel tanks, one located in the inside leading edge of each wing. Volume of wing tanks: 2 x 88 (23.25 US gallons) litres (176 litres (46.49 US gallons) total, 172 (45.44 US gallons) litres useable).
  • Page 146 Sling 4 TSi Pilot Operating Handbook one or both fuel pumps can be selected/operational irrespective of the main bus power status. Both pumps are activated by a separate switch on the panel. WARNING At least one fuel pump must be operational at all times during flight for the engine to be operational! With no pump operational engine stoppage will occur due to fuel starvation.
  • Page 147 Sling 4 TSi Pilot Operating Handbook Fuel type and considerations regarding the operational use of the fuel system FUEL (915 iS) Minimum RON 95 / Minimum AKI 91 DIN EN 228 Super, DIN EN 228 Super MOGAS Plus, ASTM D4814.

  • Page 148: Lubrication System

    Sling 4 TSi Pilot Operating Handbook 7.22 Lubrication system The engine is provided with a dry sump forced lubrication system with a camshaft driven main pump with integrated pressure regulator and additional suction pump. The main pump delivers oil from the oil reservoir, through an oil cooler (radiator) and oil filter to points of lubrication.

  • Page 149: Engine Management System (Ems)

    Sling 4 TSi Pilot Operating Handbook 7.23 Engine Management System (EMS) The EMS is made up of the ECU, sensors, actuators and wiring harnesses. The ECU is the core of the Engine Management System (EMS). It is responsible for controlling Lane A and Lane B, which are used for regulating and monitoring the engine.

  • Page 150: Autopilot System

    Sling 4 TSi Pilot Operating Handbook 7.24 Autopilot system The autopilot system is integrated into/with the G3X unit. Please refer to the latest revisions of the Garmin G3X manual for detailed instructions on autopilot operation and functionality. The EFIS/autopilot inputs data from an electronic compass and AHRS, and controls two servos (one for pitch and one for roll) linked to the aircraft control system.

  • Page 151: Lighting Systems

    Sling 4 TSi Pilot Operating Handbook 7.25 Lighting systems Taxi and landing lights The aircraft is equipped with a landing light and taxi light in each wing leading edge (standard). Each pair of landing lights is activated by a switch (labelled LAND) located on the instrument panel.

  • Page 152: Tow Hook

    Sling 4 TSi Pilot Operating Handbook Position and anti-collision light function is dependent on switch selection: Switch Red and green White wingtip White light on wingtip lights lights rudder Strobe On (continuous On (continuous On (continuous illumination) illumination) illumination) On (flashing)
  • Page 153 This supplement is intended only to provide abbreviated material to the pilot who is familiar with tugging and towing operations as well as the Sling 4 TSi aircraft type, who wishes to understand in what manner the operation of the...
  • Page 154 A Sling 4 TSi aircraft fitted with a glider tow mechanism can accordingly be safely flown by a pilot without a tow rating or experience, provided that it is not used for any tug or towing activities.
  • Page 155 Sling 4 TSi Pilot Operating Handbook Handle for release mechanism, mounted to front panel Direction handle is pulled in order to activate the release mechanism Pilots using the aircraft for glider tugging and banner towing purposes should familiarize themselves with the tension in the release lever spring and accordingly the force required to activate the release prior to operation.
  • Page 156 Provided that these guidelines are followed, testing has demonstrated that the Sling 4 TSi aircraft in the configuration referred to in this section may be safely operated for purposes of...
  • Page 157 Sling 4 TSi Pilot Operating Handbook 8.1 Introduction ....................8-3 8.2 Servicing fuel, oil and coolant ..............8-3 8.3 Towing and tie-down / mooring instructions..........8-4 8.4 Parking ...................... 8-6 8.5 Jacking ...................... 8-6 8.6 Road transport ..................8-7 8.7 Cleaning and care ..................8-7 8.8 Assembly and disassembly ...............

  • Page 158: Introduction

    This document does not replace the maintenance manual. Reference should always be made to the latest revision of the Sling 4 TSi Maintenance Manual. Servicing fuel, oil and coolant Refer to the appropriate chapters in the latest Rotax 915 iS engine Maintenance and Operator Manuals and the Sling 4 TSi Aircraft Maintenance Manual.

  • Page 159: Towing And Tie-Down / Mooring Instructions

    The aircraft can be steered by rotating the nose wheel through the tow bar. The nose wheel is fully rotated once the pedal control stops have been engaged. For installation of the tow bar refer to the Sling 4 TSi Maintenance Manual.
  • Page 160 Sling 4 TSi Pilot Operating Handbook Tie-down The aircraft should be tied down when parked outside a hangar. Mooring is necessary to protect the aircraft against possible damage caused by wind and gusts. For this reason, the aircraft is equipped with mooring eyes located on the lower surfaces of the wings and (one) under the tail.

  • Page 161: Parking

    Sling 4 TSi Pilot Operating Handbook Parking It is advisable to park the aircraft inside a hangar, or alternatively inside any other suitable space (garage), with stable temperature, good ventilation, low humidity and a dust-free environment. When parking for an extended period, cover the cockpit canopy, and possibly the whole aircraft, by means of a suitable tarpaulin.

  • Page 162: Road Transport

    Sling 4 TSi Pilot Operating Handbook Road transport The aircraft may be transported after loading on a suitable trailer. It is necessary to remove the wings before road transport. The aircraft and dismantled wings should be attached securely to protect against possible damage.

  • Page 163: Assembly And Disassembly

    Sling 4 TSi Pilot Operating Handbook Assembly and disassembly Refer to the Sling 4 TSi aircraft maintenance and aircraft construction manuals for assembly and disassembly instructions. Aircraft inspection / servicing periods Periods of checks and contingent maintenance depend upon operating conditions and overall condition of the aircraft.

  • Page 164: Aircraft Modifications And Repairs

    Sling 4 TSi Pilot Operating Handbook 8.10 Aircraft modifications and repairs It is recommended that you contact the aircraft manufacturer prior to making any modifications to the aircraft, to ensure that the airworthiness of the aircraft is not affected. Always use only original spare parts produced by the aircraft (or engine/propeller) manufacturer, as the case may be.
  • Page 165 Sling 4 TSi Pilot Operating Handbook This section contains the appropriate supplements necessary to safely and efficiently operate the aircraft when equipped with various optional systems and equipment not provided with the standard aircraft. List of inserted supplements Supplement Date...
  • Page 166 Information contained in this supplement adds to or replaces information from the standard Sling 4 TSi Pilot Operating Handbook in regard only to the specific sections addressed herein. Limitations, procedures and information not addressed in this supplement remain as set out in Sling 4 TSi Pilot Operating Handbook.
  • Page 167 Sling 4 TSi Pilot Operating Handbook Long range fuel system: Left fuel tank Right fuel tank Fuel selector fuel filter 8 mm T-Piece Valve Electrical fuel pump Left L/R fuel tank Right L/R fuel tank male to female brass Straight male 8 mm...
  • Page 168 Sling 4 TSi Pilot Operating Handbook The two long range fuel tanks are located inside the leading edge of each outboard wing section. Volume of long range tanks: 2 x 40 (10.57 US gallons) litres (80 litres (21.13 US gallons) total.
  • Page 169 Sling 4 TSi Pilot Operating Handbook Location of shut-off valves for standard and toe brakes The Facet electric pump is activated by the transfer pump switch on the instrument panel. Either (long range) B tank, left or right can supply to the main (A tank) in use.
  • Page 170 Sling 4 TSi Pilot Operating Handbook Right A tank feed from left B tank Right A tank feed from right B tank Left A tank feed from left B tank Left A tank feed from right B tank Page | 9-7 DC-POH-001-X-F-2.2...
  • Page 171 Sling 4 TSi Pilot Operating Handbook Long range fuel tank effect on aircraft CG: For long range tanks, an amendment is made to the blank form from paragraph 6.8. The moment arm for long range tanks, 1 822 mm, is added as shown in the table below.
  • Page 172 Sling 4 TSi Pilot Operating Handbook WARNING Aircraft CG and MAUW limitations must be adhered to at all times. WARNING For each flight the most forward CG (i.e. with takeoff fuel) and the most rearward CG (i.e. with landing fuel) must be calculated (to be within aircraft CG range/limits.
  • Page 173 Information contained in this supplement adds to or replaces information from the standard Sling 4 TSi Pilot Operating Handbook in regard only to the specific sections addressed herein. Limitations, procedures and information not addressed in this supplement remain as set out in Sling 4 TSi Pilot Operating Handbook.
  • Page 174 Sling 4 TSi Pilot Operating Handbook The external alternator warning light (labelled Alt 2) comes on when the alternator is not functioning. The light should illuminate if there is an external alternator failure. Refer to paragraph 3.8.3 for procedures following charge system failure.

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