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Airplane Factory SLING 4 Pilot Operating Handbook

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Summary of Contents for Airplane Factory SLING 4

  • Page 2 Date of Construction: ………………………………………. Registration: ………………………………………. Issue Date: 2014/11/10 PLEASE ADVISE THE AIRPLANE FACTORY ON CHANGE OF OWNERSHIP OF THE AIRCRAFT This aircraft must be operated in compliance with information and limitations contained herein. This pilot’s operating handbook must be available on board the aircraft at all times.
  • Page 3 Airplane Factory SLING 4 Pilot Operating Handbook NOTICE THIS MANUAL IS WRITTEN FOR THE STANDARD SLING 4, AS MANUFACTURED ON PREMISES BY THE AIRPLANE FACTORY (PTY) LTD. AIRCRAFT WHICH DIFFER FROM THE PRODUCTION STANDARD, IN WHATEVER WAY, ARE NOT ADDRESSED IN THIS MANUAL, EXCEPT TO THE EXTENT SAID AIRCRAFT CORRESPOND WITH THE PRODUCTION STANDARD.
  • Page 4 Airplane Factory SLING 4 Pilot Operating Handbook RECORD OF REVISIONS Any revisions to this Pilots Operating Handbook must be recorded in the following table, and, where applicable, be endorsed by the responsible airworthiness authority. Revision numbers appear at the foot of each page.

  • Page 5: Revised

    Airplane Factory SLING 4 Pilot Operating Handbook LIST OF EFFECTIVE PAGES Page Page Status Latest Revision Page Page Status Latest revision Revised 1-13 Revised Revised 1-14 Revised Revised 1-15 Revised Revised 1-16 Revised Revised 2-1/2 Revised Revised Revised Revised Revised...
  • Page 6 Airplane Factory SLING 4 Pilot Operating Handbook Page Page Status Latest Revision Page Page Status Latest Revision Revised 3-23 Revised Revised 3-24 Revised Revised 3-25 Revised Revised 3-26 Revised Revised 4-1/2 Revised Revised Revised Revised Revised Revised Revised 3-10 Revised...
  • Page 7 Airplane Factory SLING 4 Pilot Operating Handbook Page Page Status Latest Revision Page Page Status Latest Revision 4-19 Revised 6-12 Revised 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...
  • Page 8 Airplane Factory SLING 4 Pilot Operating Handbook Page Page Status Latest Revision Page Page Status Latest Revision 7-21 Revised 7-42 Revised 7-22 Revised 7-43 Revised 7-23 Revised 7-44 Revised 7-24 Revised 7-45 Revised 7-25 Revised 8-1/2 Revised 7-26 Revised Revised...

  • Page 9: Table Of Contents

    Airplane Factory SLING 4 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 10 1.1 Introduction to aircraft ................1-3 1.2 Warnings, cautions and notes ..............1-4 1.3 Aircraft 3-view drawing ................1-5 1.4 Data for the Sling 4 aircraft and systems ..........1-6 1.5 Terminology, symbols and conversion factors ........1-11 1.6 Supporting documents ................1-16...

  • Page 11: Introduction To Aircraft

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

  • Page 12: Warnings, Cautions And Notes

    Airplane Factory SLING 4 Pilot Operating Handbook 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 13: Aircraft 3-View Drawing

    Airplane Factory SLING 4 Pilot Operating Handbook Aircraft 3-view drawing Note that dimensions in this drawing are in millimetres . Page | 1-5 DC-POH-001-X-C-3 Revision : 1.3...

  • Page 14: Data For The Sling 4 Aircraft And Systems

    Airplane Factory SLING 4 Pilot Operating Handbook Data for the Sling 4 aircraft and systems WING Span: 9 930 mm (32.58 ft). Area (gross): 13.12 m² (141.22 ft²). Aspect ratio: 7.52. Dihedral: 5° Tip washout: 2° Aileron area: 0.62 m² (6.7 ft²).
  • Page 15 Airplane Factory SLING 4 Pilot Operating Handbook FUSELAGE Length: 6 220 mm (20.41 ft). Width: 1 188 mm (3.9 ft). Total aircraft length: 7 125 mm (23.36 ft). LANDING GEAR Wheel track: 1.95 m (6.4 ft). Wheel base: 1.68 m (5.51 ft).
  • Page 16 Airplane Factory SLING 4 Pilot Operating Handbook ENGINE Manufacturer: Bombardier-Rotax GmbH. Model: 914 UL. Type: 4-Cylinder horizontally opposed, turbocharged, 1211.2 cc displacement, mixed cooling (water- cooled heads and air-cooled cylinders), twin carburettors, integrated reduction gearbox with torque damper. Maximum power: 85.76 kW (115 hp) at 5 800 rpm...
  • Page 17 Airplane Factory SLING 4 Pilot Operating Handbook FUEL Fuel grade: Minimum RON 95 / minimum AKI 91. MOGAS: EN 228 Super, EN 228 Super plus, ASTMD4814. Leaded AVGAS: AVGAS 100LL (ASTM D910). Unleaded AVGAS: UL91 (ASTM D7547). (Refer to the latest revision of the Rotax engine and operator manuals and the latest revision of Rotax service instruction SI-914-019).
  • Page 18 Airplane Factory SLING 4 Pilot Operating Handbook COOLING Cooling system: Mixed air and liquid pressurized closed circuit. Coolant: 1:1 Ethylene glycol based coolant and distilled water mixture or waterless propylene based coolant. (Refer to the latest revision Rotax engine manuals and latest revision of the Rotax service instruction SI-914-019).

  • Page 19: Terminology, Symbols And Conversion Factors

    Airplane Factory SLING 4 Pilot Operating Handbook 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 20 Airplane Factory SLING 4 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 KIAS indicator, expressed in knots.

  • Page 21: Performance

    Airplane Factory SLING 4 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 22: Weight And Balance

    Airplane Factory SLING 4 Pilot Operating Handbook Landing The distance measured during landing from clearance of a 15 m distance (50 ft) obstacle (in the air) to the end of the landing run. Take-off The take-off distance measured from the actual start of the take- distance off run to clearance of a 15 m (50 ft) obstacle (in the air).
  • Page 23 Airplane Factory SLING 4 Pilot Operating Handbook Left main wheel arm (aft of reference) Nose wheel arm (aft of reference) Right main wheel arm (aft of reference) Total moment arm Aircraft empty weight Weight read from scale under left main wheel during aircraft...

  • Page 24: Supporting Documents

    Airplane Factory SLING 4 Pilot Operating Handbook 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 914 Series, Ref No.: OM-914. Latest revision / edition of the Airmaster AP3 series And AP4 Series Constant Speed Propeller Operators Manual.

  • Page 25: Limitations

    Airplane Factory SLING 4 Pilot Operating Handbook 2. LIMITATIONS 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 26: Introduction

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

  • Page 27: Airspeed Indicator Markings

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

  • Page 28: Stall Speed Adjustment For Turning Flight And Load Factor

    Airplane Factory SLING 4 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 29: Crosswind And Wind Limitation (Demonstrated)

    Airplane Factory SLING 4 Pilot Operating Handbook Crosswind and wind limitation (demonstrated) Maximum demonstrated cross wind component for take-off and landing: 15 kt. Service ceiling Service ceiling: 14 000 ft. Load factors Maximum positive limit load factor: +3.8 g. Maximum negative limit load factor: -1.9 g.

  • Page 30: Centre Of Gravity Range

    Airplane Factory SLING 4 Pilot Operating Handbook Centre of gravity range Datum Centre of front face of engine propeller flange (without propeller extension). Reference - longitudinal leveling Second row of rivets down from (below) the canopy frame edge, on the aircraft fuselage side, above the wing.

  • Page 31: Prohibited Manoeuvres

    Airplane Factory SLING 4 Pilot Operating Handbook 2.10 Prohibited manoeuvres The Sling 4 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 32: Kinds Of Operation

    Airplane Factory SLING 4 Pilot Operating Handbook 2.13 Kinds of operation The Sling 4, in standard configuration, is approved only for day VFR operation with visual contact to the terrain. Minimum equipment required is as follows:  Altimeter.  Airspeed indicator.

  • Page 33: Engine Operating Limits

    Airplane Factory SLING 4 Pilot Operating Handbook 2.14 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 34 Airplane Factory SLING 4 Pilot Operating Handbook ENGINE OPERATING AND SPEED LIMITS Engine Model: ROTAX 914 UL Engine Manufacturer: Bombardier-Rotax GmbH Maximum 85.76 kW (115 hp) at 5800 rpm, maximum 5 minutes take-off Maximum 74.6 kW (100 hp) at 5500 rpm...
  • Page 35 Airplane Factory SLING 4 Pilot Operating Handbook Minimum 0.8 bar (12 psi) - below 3500 rpm Maximum 7 bar (102 psi) - permissible for short period on cold engine start Normal 2 to 5 bar (29 to 73 psi) - above 3500 rpm Minimum 1.15 bar (16.7 psi)

  • Page 36: Other Limitations

    Airplane Factory SLING 4 Pilot Operating Handbook 2.15 Other limitations  No smoking is allowed on board of the aircraft.  VFR flights only are permitted. WARNING IFR flights and intentional flights under icing conditions are prohibited! 2.16 Flight in rain When flying in rain no additional actions / procedures are required.

  • Page 37: Limitation Placards

    Airplane Factory SLING 4 Pilot Operating Handbook 2.17 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: OPERATE UNDER VMC ONLY...
  • Page 38 Airplane Factory SLING 4 Pilot Operating Handbook On the outside of the baggage door: MAX TOTAL BAGGAGE WEIGHT – 35 KG/77 LB Adjacent to the fuel filler caps: AVGAS MOGAS 84 LITRES On the inboard upper wing flap surface: NO STEP...
  • Page 39 Airplane Factory SLING 4 Pilot Operating Handbook The aircraft must be placarded to show the identity of:  All fuses/circuit breakers.  Starter and Ignition (Magneto) switches.  All other switches.  Choke.  Trim control: NOSE UP and DOWN.

  • Page 40: Emergency And Abnormal Procedures

    Airplane Factory SLING 4 Pilot Operating Handbook 3. EMERGENCY AND ABNORMAL PROCEDURES 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 ..................3-11 3.5 Emergency landings ................3-15 3.6 Recovery from an unintentional spin ............
  • Page 41 Airplane Factory SLING 4 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 42 Airplane Factory SLING 4 Pilot Operating Handbook Speeds for emergency operations SPEED KIAS REMARKS The speed (at MAUW, flaps fully retracted) which results in the greatest gliding (horizontal) distance. Best Glide Speed Horizontal distance travelled in still air is approximately 3 795 m (12 450 ft) per 1000 ft descent (i.e.
  • Page 43 Airplane Factory SLING 4 Pilot Operating Handbook Engine related emergencies Reference should also be made to the operator’s manual for the Rotax 914 UL engine for operational guidelines and instructions. These should be incorporated into the normal or emergency procedures as applicable.
  • Page 44 Airplane Factory SLING 4 Pilot Operating Handbook 3.3.2 Engine failure immediately after take-off 1. Speed / trim - best glide speed (65 KIAS). 2. Find a suitable / safe location to land. The landing should be planned straight ahead, with only small changes in direction not exceeding 45 degrees to either side.
  • Page 45 Airplane Factory SLING 4 Pilot Operating Handbook 3.3.3.2 Low fuel pressure (1.15 bar/16.68 psi or less) 1. Check fuel quantity indicator. 2. Switch auxiliary electric fuel pump on. If fuel pressure remains low: 3. Change fuel selector valve to tank not in use (if not empty).
  • Page 46 Airplane Factory SLING 4 Pilot Operating Handbook 3.3.3.4 Turbocharger Control Unit (TCU) lights indication Refer to the table (TCU LIGHT INDICATIONS) relating TCU indicator light mode of indication to probable causes and suggested pilot action in paragraph 7.23. NOTE Refer to the applicable parts (Caution Lamps) of the section on Abnormal Operation in the Rotax 914 UL engine operator manual.
  • Page 47 Airplane Factory SLING 4 Pilot Operating Handbook 3.3.3.6 Sudden increase in boost pressure A possible cause might be that the waste gate is fully closed. The TCU CAUTION light may be flashing, indicating equipment failure. The BOOST lamp will illuminate continuously when admissible boost pressure is exceeded.
  • Page 48 Airplane Factory SLING 4 Pilot Operating Handbook 3.3.4 In-flight engine restart 1. Both electric fuel pumps - on. 2. Fuel selector - switch to unused / fullest tank. 3. Throttle - set to middle position. 4. Master switch - on.
  • Page 49 Airplane Factory SLING 4 Pilot Operating Handbook Smoke and fire 3.4.1 Engine fire on ground during start 1. Starter - release. 2. Fuel selector - close. 3. Electric fuel pumps (both) - off. 4. Throttle - idle. 5. Magnetos / ignition - off.
  • Page 50 Airplane Factory SLING 4 Pilot Operating Handbook 3.4.3 Engine fire during take-off run 1. Throttle - idle. 2. Brakes - stop the aircraft. 3. Cabin heat - close. 4. Fuel selector - close. 5. Electric fuel pumps (both) - off.
  • Page 51 Airplane Factory SLING 4 Pilot Operating Handbook 3.4.5 Electrical fire in flight An electrical fire is often characterized by white smoke and an acrid smell. 1. Auxiliary fuel pump - on (see WARNING below). 2. Master switch - off (see NOTE below).
  • Page 52 Airplane Factory SLING 4 Pilot Operating Handbook 3.4.6 Cabin fire If the fire is electrical in nature follow the procedure for electrical fires in flight (paragraph 3.4.5). Alternatively: 1. Cabin heat - close. 2. Use the fire extinguisher (if possible).
  • Page 53 Airplane Factory SLING 4 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. 3.5.1 Engine inoperative emergency landing 1.
  • Page 54 Airplane Factory SLING 4 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 55 Airplane Factory SLING 4 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. 1. Choose landing area, determine wind direction.
  • Page 56 Airplane Factory SLING 4 Pilot Operating Handbook 3.5.3 Landing with a flat tyre / damaged wheel 1. If a main landing gear tyre is flat or a wheel is damaged, perform touch-down at the lowest practical speed with the aircraft slightly banked towards the serviceable tyre / wheel.
  • Page 57 Airplane Factory SLING 4 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. Unintentional spin recovery technique: 1. Throttle - idle. 2. Lateral control - ailerons neutral.
  • Page 58 Airplane Factory SLING 4 Pilot Operating Handbook Ballistic parachute deployment 1. Observe ballistic parachute operational parameters (refer to paragraph 7.7.1). 2. Throttle - close. 3. Fuel pump(s)(both) - off. 4. Fuel selector lever - off. 5. Magneto / ignition switches - off.
  • Page 59 Airplane Factory SLING 4 Pilot Operating Handbook Other emergencies 3.8.1 Vibration If any abnormal aircraft vibration occurs: 1. Set engine speed to a setting where the vibration is minimized, if viable. 2. Land at the nearest airfield or perform a precautionary landing (according to 3.5.2) if vibration is severe.
  • Page 60 Airplane Factory SLING 4 Pilot Operating Handbook 3.8.3 Carburettor icing Carburettor icing is evidenced through a decrease in engine power and an increase of engine temperatures. The following procedure is recommended for recovering engine power: 1. Speed - 75 KIAS.
  • Page 61 Airplane Factory SLING 4 Pilot Operating Handbook 3.8.4 Alternator / charge system failure Alternator failure is evidenced by the illumination of the (red) alternator / charge warning light. WARNING The engine will continue to run after an alternator failure, until the...
  • Page 62 Airplane Factory SLING 4 Pilot Operating Handbook 3.8.5 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. Auxiliary fuel pump Use the throttle lever to set / control engine speed and boost pressure to within operating limits (at least maximum continuous values).
  • Page 63 Airplane Factory SLING 4 Pilot Operating Handbook 3.8.6 Propeller control failure The propeller / propeller controller can fail in a variety of modes / ways. The pilot(s) should completely familiarize him or herself with the parts of the Airmaster propeller operator’s manual which deals with Emergency Operation and Failure Modes.
  • Page 64 Airplane Factory SLING 4 Pilot Operating Handbook 4. If manual control of the propeller pitch is not available:  If propeller control failed with the propeller pitch set inside the flight range, continued flight is possible, but with caution. Use the engine throttle to control engine / propeller speed, as with a fixed pitch propeller.

  • Page 65: Normal Procedures

    Airplane Factory SLING 4 Pilot Operating Handbook 4. NORMAL PROCEDURES 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 ......................

  • Page 66: Speeds For Normal Operation

    Airplane Factory SLING 4 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 920 kg (2028.25 lb).

  • Page 67: Use Of Taxi, Landing, Strobe And Navigation Lights

    Airplane Factory SLING 4 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.

  • Page 68: Pre-Flight Check

    Airplane Factory SLING 4 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.
  • Page 69 Airplane Factory SLING 4 Pilot Operating Handbook mechanism (ensure front seat mechanisms lock correctly after adjustment). - Canopy - attachment condition, clean. - Cockpit - check for loose objects. - Fire extinguisher - check present and valid. - Documentation - check present and valid.
  • Page 70 Airplane Factory SLING 4 Pilot Operating Handbook 3. Right fuselage - Surface condition - check. - Cowling attachment - check. - Wing/fuselage fairings - check. - Empennage fairings - check. - Antenna/ antennae - check condition and security. 4. Right wing and main gear - Wheel fairing - security, cracks.
  • Page 71 Airplane Factory SLING 4 Pilot Operating Handbook 5. Empennage - Tie-down rope - 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.
  • Page 72 Airplane Factory SLING 4 Pilot Operating Handbook 7. Left wing - Wheel fairing - security, cracks. - Leading edge condition - check. - Taxi / landing lights and lens - check for cracks and condition. - Wheel and brakes - fluid leaks, security, general condition, tyre condition, inflation, wear.

  • Page 73: Engine Start

    Airplane Factory SLING 4 Pilot Operating Handbook Engine start Reference should be made to the operator’s manual for the Rotax 914 UL engine for operational guidelines and instructions. These should be incorporated into the normal or emergency procedures as applicable.
  • Page 74 Airplane Factory SLING 4 Pilot Operating Handbook 4.5.2 Engine start 1. Master switch - on. 2 When system voltage is applied (Master switch is switched on) both TCU lights should illuminate for approximately 1 to 2 seconds (TCU self-test) and then extinguish. If not, this indicates a deficiency (refer to Rotax 914 maintenance manuals).
  • Page 75 Airplane Factory SLING 4 Pilot Operating Handbook 16. Avionics switch - on. 17. Warm engine - 2 000 rpm for 2 minutes, then 2 500 rpm until oil temperature is 50 °C (122 °F). CAUTION The starter should be activated for a maximum of 10 seconds, followed by a 2 minute pause to allow for starter cooling.
  • Page 76 Airplane Factory SLING 4 Pilot Operating Handbook 4.5.3 Engine warm up, engine check Prior to an engine check, block the main wheels with wheel chocks or ensure that the brake is firmly on. 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...

  • Page 77: Taxi

    Airplane Factory SLING 4 Pilot Operating Handbook Taxi 1. Fuel selector - to fullest tank. 2. Flaps - up. 3. Brakes - off (carefully check brake stop-valve is off). 4. Controls - neutral position or as required for wind. 5. Power and brakes - as required.

  • Page 78: Normal Take-Off

    Airplane Factory SLING 4 Pilot Operating Handbook Normal take-off 4.7.1 Before take-off 1. Controls - full and free movement, correct deflection / directions. 2. Trim - neutral. 3. Choke - off. 4. Flaps - as required (typically 1 notch). 5. Fuel quantity - confirm.
  • Page 79 Airplane Factory SLING 4 Pilot Operating Handbook 4.7.2 Take-off 1. Propeller - AUTO / TO. 2. Take-off power - throttle fully forward, past detent if required (max. 5 800 rpm for 5 minutes). 3. Engine speed - check rpm (5 500 to 5 800 rpm).

  • Page 80: Climb

    Airplane Factory SLING 4 Pilot Operating Handbook Climb 1. Propeller - AUTO / CLIMB. 2. Throttle - maximum take-off power (5 800 rpm) (for maximum 5 minutes). - maximum continuous power (5 500 rpm). 3. Airspeed = 65 KIAS. = 75 KIAS.

  • Page 81: Cruise

    Airplane Factory SLING 4 Pilot Operating Handbook Cruise Refer to section 5 for recommended cruise figures/settings. WARNING If a fuel lift pipe 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 82: Approach

    Airplane Factory SLING 4 Pilot Operating Handbook 4.11 Approach 1. Approach speed: Long final - 65 KIAS to 75 KIAS. Short final - ≥ 62 KIAS. 2. Auxiliary electric fuel pump - on. 3. Fuel selector - fullest tank. 4. Throttle - as required.

  • Page 83: Normal Landing

    Airplane Factory SLING 4 Pilot Operating Handbook 4.12 Normal landing 4.12.1 Before landing 1. Propeller - AUTO/ TO. 2. Throttle - as required. 3. Airspeed - ≥ 62 KIAS. 4. Wing flaps - extend as required. 5. Trim - as required.

  • Page 84: Baulked Landing Procedures

    Airplane Factory SLING 4 Pilot Operating Handbook 4.13 Baulked landing procedures 1. Throttle - full power (5 800 rpm, max. 5 minutes). 2. Trim - as required. 3. Wing flaps - retract to 50% as soon as possible. Retract fully when reaching 65 knots (at a minimum height of 300 ft).

  • Page 85: Aircraft Parking And Tie-Down

    Airplane Factory SLING 4 Pilot Operating Handbook 4.16 Aircraft parking and tie-down 1. Site - park the aircraft on as level an area as possible. 2. Magnetos / ignition - verify off. 3. Master switch - verify off. 4. Fuel selector - off.
  • Page 86 Airplane Factory SLING 4 Pilot Operating Handbook 5. PERFORMANCE 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 87: Introduction

    If not stated otherwise, the performance stated in this section is valid for maximum take-off weight (920 kg / 2028.25 lb) under ISA conditions. The performance stated in this section is valid for SLING 4 aircraft fitted with a ROTAX 914 UL 85.76 kW (115 hp) engine and an Airmaster AP332 propeller.
  • Page 88 Airplane Factory SLING 4 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)

  • Page 89: Rate Of Climb

    Airplane Factory SLING 4 Pilot Operating Handbook Rate of climb Conditions: Rate of Best rate of climb speed Max. continuous power: 5500 rpm climb Weight: 920 kg / 2028.25 lb KIAS 0 ft ISA 3 000 ft ISA 6 000 ft ISA...

  • Page 90: Cruise Speeds

    Airplane Factory SLING 4 Pilot Operating Handbook Cruise speeds Constant speed propeller with cruise setting. Altitude Throttle Cruise Speed Engine rpm [ft ISA] position [KIAS] 5 000 5 000 100% 5 000 5 000 3 000 5 000 100% 5 000...

  • Page 91: Fuel Consumption

    Airplane Factory SLING 4 Pilot Operating Handbook Fuel consumption With constant speed propeller. Altitude [ft ISA] 3 000 Fuel [ l ] quantity US gallons 44.38 Engine [rpm] 5750 5450 5000 speed Propeller setting Take-off Climb Cruise Throttle setting 115%...

  • Page 92: Airspeed Indicator System Calibration

    Airplane Factory SLING 4 Pilot Operating Handbook Airspeed indicator system calibration CAS [knots] CAS [knots] IAS [knots] (average) (This aircraft) Page | 5-8 DC-POH-001-X-C-3 Revision : 1.3...
  • Page 93 Airplane Factory SLING 4 Pilot Operating Handbook 6. WEIGHT AND BALANCE 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) ..............

  • Page 94: Introduction

    Airplane Factory SLING 4 Pilot Operating Handbook Introduction This section contains weight and balance records and the payload range for safe operating of the Sling 4 aircraft. Installed equipment (standard) list  MGL multifunction glass cockpit instrument - Challenger iEFIS, with associated equipment (iBox, RDAC XF, autopilot roll and pitch servos, MGL SP6 electronic compass, MGL SP7 AHRS).

  • Page 95: Center Of Gravity (Cg) Range

    Airplane Factory SLING 4 Pilot Operating Handbook Center of gravity (CG) range Note that dimensions in this drawing are in millimetres (metric). Operating CG range and allowable GC envelope CG range is 1 859 mm / 6.099 ft to 2 034 mm / 6.673 ft aft of the reference datum (18 to 31 % of MAC).
  • Page 96 Airplane Factory SLING 4 Pilot Operating Handbook 1000 2205 Allowable CG Envelope 2028 1984 1852 1764 FLIGHT ALLOWED IN SHADED AREA ONLY 1543 1323 1102 881.84 CG (Percentage of MAC) WARNING Aircraft CG and MAUW limitations must be adhered to at all times.

  • Page 97: Determining Aircraft Cg

    Airplane Factory SLING 4 Pilot Operating Handbook Determining aircraft CG Weight and balance report lists:  Empty CG check.  Forward CG check (example).  Rear CG check (example).  Blank CG form. CG formulae: WARNING For each flight the most forward CG (i.e. with take-off fuel) and the most rearward CG (i.e.

  • Page 98: Empty Cg Determination

    Airplane Factory SLING 4 Pilot Operating Handbook Empty CG determination ITEM WEIGHT MOMENT [kg (lb)] [mm (ft)] (weight x arm) [kg.mm (lb.ft)] Right Main = 2 236 (7.335) Wheel Left Main = 2 236 (7.335) Wheel Nose Wheel = 548 (1.797)

  • Page 99: Forward Cg Check (Example)

    Airplane Factory SLING 4 Pilot Operating Handbook Forward CG check (example) WEIGHT MOMENT [kg (lb)] [mm (ft)] (weight x arm) [kg.mm (lb.ft)] CREW (FRONT) 120 (264.554) 1 902 (6.24) 228 240 (1650.817) PASSENGERS 2 823 (9.262) (REAR) BAGGAGE 3 288 (10.787) FUEL 121 (266.759)
  • Page 100 Airplane Factory SLING 4 Pilot Operating Handbook 1000 2205 Allowable CG Envelope 2028 1984 1852 1764 1543 1323 1102 881.84 CG (Percentage of MAC) Page | 6-9 DC-POH-001-X-C-3 Revision : 1.3...

  • Page 101: Rear Cg Check (Example)

    Airplane Factory SLING 4 Pilot Operating Handbook Rear CG check (example) WEIGHT MOMENT [kg (lb)] [mm (ft)] (weight x arm) [kg.mm (lb.ft)] CREW 160 (352.739) 1 902 (6.24) 304 320 (2201.091) (FRONT) PASSENGERS 100 (220.462) 2 823 (9.262) 282 300 (2041.919)
  • Page 102 Airplane Factory SLING 4 Pilot Operating Handbook 1000 2205 Allowable CG Envelope 2028 1984 1852 1764 1543 1323 1102 881.84 CG (Percentage of MAC) NOTE: THIS EXAMPLE SHOWS AN OUT OF ENVELOPE CG !!!!! Page | 6-11 DC-POH-001-X-C-3 Revision : 1.3...

  • Page 103: Blank Form And Graph

    Airplane Factory SLING 4 Pilot Operating Handbook Blank form and graph WEIGHT MOMENT [kg (lb)] [mm (ft)] (weight x arm) [kg.mm (lb.ft)] CREW (FRONT) 1 959 (6.427) PASSENGERS 2 719 (8.92) (REAR) BAGGAGE 3 296 (10.813) FUEL 1 761 (5.777)
  • Page 104 Airplane Factory SLING 4 Pilot Operating Handbook 1000 2205 Allowable CG Envelope 2028 1984 1852 1764 1543 1323 1102 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 105 Airplane Factory SLING 4 Pilot Operating Handbook 7. SYSTEMS 7.1 Introduction ....................7-3 7.2 Airframe ....................7-3 7.3 Control system / pilot controls ..............7-3 7.4 Landing gear ................... 7-12 7.5 Brake system ..................7-12 7.6 Safety harness ..................7-13 7.7 Ballistic rescue parachute ...............

  • Page 106: Introduction

    Pilot Operating Handbook Introduction This section provides information applicable to the various systems found on the Sling 4 aircraft. Airframe The aircraft has an all-metal construction with single curvature stressed aluminum alloy skins riveted to stiffeners. Construction is of 6061-T6 aluminum alloy sheet metal riveted to aluminum alloy angles with high quality blind rivets.
  • Page 107 Airplane Factory SLING 4 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 7.11.
  • Page 108 Airplane Factory SLING 4 Pilot Operating Handbook Electrical equipment selection / control switches SWITCH / FUNCTION POSITION LABEL Both magnetos off. Select left magneto. IGNITION / Select right magneto. STARTER KEY Select both magnetos. BOTH SWITCH Activates starter motor (if there is power on START main bus).
  • Page 109 Airplane Factory SLING 4 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-C-3...
  • Page 110 Airplane Factory SLING 4 Pilot Operating Handbook Pilot operable controls related to the constant speed propeller system are the following:  Power switch (labelled PROP), located on the instrument panel. This switch activates / deactivates the power supply to the propeller controller unit and to the propeller motor.
  • Page 111 Airplane Factory SLING 4 Pilot Operating Handbook  CLIMB. Used for climbing and any other operations where continuous higher power settings are required.  CRUISE. This selection is used for normal cruise operation.  HOLD. Provides constant speed propeller governing at a pilot selected speed.
  • Page 112 Airplane Factory SLING 4 Pilot Operating Handbook desired speed (rpm) is reached, release the switch. The engine / propeller speed will be governed to that speed. Finally, set desired power with the throttle. NOTE When power is initially applied to the propeller controller,...
  • Page 113 Airplane Factory SLING 4 Pilot Operating Handbook pitch limit Driving at feather Green flashing pitch limit Over-current while pitch decreasing Over-current while pitch increasing Over-current while pitch increasing in feather Open circuit failure Red flashing Red flashing Red flashing Controller software...
  • Page 114 Airplane Factory SLING 4 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 7.12 for additional information on operational use of the EFIS system.

  • Page 115: Landing Gear

    Airplane Factory SLING 4 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 typically a single hydraulic system acting on both wheels of the main landing gear via disk brakes.

  • Page 116: Safety Harness

    Ballistic rescue parachute The Sling 4 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 117 Airplane Factory SLING 4 Pilot Operating Handbook The ballistic rescue parachute is housed in a dorsal bay in the rear fuselage, immediately behind the baggage compartment. The ballistic rescue parachute activation handle is located on the bottom centre of the instrument panel (refer to paragraph 7.12).

  • Page 118: Baggage Compartment

    Airplane Factory SLING 4 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. It is the obligation of the pilot to ensure that the aircraft CG is within the allowed limits. All baggage must be properly secured.

  • Page 119: Pitot And Static System

    Airplane Factory SLING 4 Pilot Operating Handbook 7.10 Pitot and static system A pitot tube is located below the left wing. Pressure distribution to the instruments is through flexible plastic hoses. The tube incorporates a second inlet for measurement of angle of attack. The static port is located behind the instrument panel.

  • Page 120: Cockpit Layout

    Pilot Operating Handbook 7.11 Cockpit layout The basic cockpit layout is the same for all Sling 4 aircraft, notwithstanding that instrumentation may differ substantially. All Sling 4 aircraft contain the minimum instrumentation, but particular aircraft may contain substantial additional instrumentation. The basic cockpit layout is configured as in the diagram below.
  • Page 121 Airplane Factory SLING 4 Pilot Operating Handbook If differential footbrakes are fitted the hand operated brake actuator on the centre console will be absent. Seats have a slide mechanism with a forward moving unlocking lever / handle in the centre front of each seat, in order to move the seat for comfort and to ensure that the rudder pedals can be reached easily by all pilots.

  • Page 122: Instruments And Avionics

    Airplane Factory SLING 4 Pilot Operating Handbook 7.12 Instruments and avionics The diagram below represents a standard instrument panel containing the required minimum instrumentation, together with typical back-up and additional instrumentation supplied with the aircraft. The instrument panel in any particular aircraft may differ from that illustrated in the diagram.
  • Page 123 Airplane Factory SLING 4 Pilot Operating Handbook Air vent(s) 18 Transponder Magneto and start switch 19 Manual propeller pitch control switch Fuel pump switches 20 Ballistic rescue parachute activation handle Charge warning light 21 Fuel selector valve handle 22 Switches: EFIS, EFIS back-up battery,...
  • Page 124 Airplane Factory SLING 4 Pilot Operating Handbook MGL EFIS instruments, including the Voyager, Odyssey, Discovery, Explorer and Challenger, are multifunction “glass cockpit” instruments and typically incorporate a range of different instruments and functions. Although only the minimum specified instrumentation is required (see paragraphs 2.13 and 7.14 of this Pilot Operating Handbook), the full instrumentation...
  • Page 125 Airplane Factory SLING 4 Pilot Operating Handbook  From a battery back-up circuit, via a selection switch (labeled EFIS BKUP) mounted on the instrument panel. Refer to paragraphs 7.19.2 and 7.19.3. Operational use of the EFIS and EFIS back-up battery system...

  • Page 126: Flap And Elevator Trim Systems

    Airplane Factory SLING 4 Pilot Operating Handbook 7.13 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 127: Minimum Instruments And Equipment Required For Flight

    Airplane Factory SLING 4 Pilot Operating Handbook 7.14 Minimum instruments and equipment required for flight The following minimum instrumentation and equipment is required for day VFR flight.  Altimeter.  Airspeed indicator.  Compass.  Fuel gauges.  Oil pressure indicator.

  • Page 128: Engine

    Airplane Factory SLING 4 Pilot Operating Handbook 7.15 Engine The Rotax 914 UL engine is a 4-stroke, 4-cylinder, horizontally opposed, turbocharged spark ignition engine with one central camshaft-push-rod- OHV. The engine features liquid cooled cylinder heads with air cooled cylinders. It utilizes dry sump forced lubrication and has a dual contactless capacitor discharge ignition system.
  • Page 129 Airplane Factory SLING 4 Pilot Operating Handbook Coolant type Either water-free propylene glycol based coolant concentrate or the conventional ethylene glycol based coolant and distilled water mixture (1:1 mix) can be used (refer to the latest edition / revision of the ROTAX 914 UL engine Operator Manual).
  • Page 130 Airplane Factory SLING 4 Pilot Operating Handbook 7.17 Throttle and choke Engine power output is controlled by means of a hand operated throttle lever situated on the centre console. Refer to paragraph 7.11. Forward movement of the throttle lever increases engine power and backward movement decreases engine power.

  • Page 131: Carburettor Pre-Heating/Anti-Ice

    Airplane Factory SLING 4 Pilot Operating Handbook 7.18 Carburettor pre-heating/anti-ice N/A. 7.19 Electrical system Included are circuit / wiring diagrams for those parts of the aircraft’s electrical system which are relevant / can aid the pilot / operator’s understanding of the aircraft’s systems and their use with respect to the operational procedures described in this manual.
  • Page 132 Airplane Factory SLING 4 Pilot Operating Handbook Charge system Refer to paragraph 7.19.1. The alternating current (AC) output of the engine driven alternator 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 133 Airplane Factory SLING 4 Pilot Operating Handbook Main battery The 12 V main battery is mounted on the engine side of the firewall. Main bus Refer to paragraphs 7.19.1 and 7.19.2. When power to the main bus is lost / fails / is removed (i.e. Master switch turned off) the following equipment becomes non-operational: Main fuel pump.
  • Page 134 Airplane Factory SLING 4 Pilot Operating Handbook With loss of power to the TCU, 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 135 Airplane Factory SLING 4 Pilot Operating Handbook Avionics / equipment switches Refer to paragraph 7.19.2. Lever type switches are switched UP for activation (i.e. ON). Optional equipment, switches and / or fuses are subject to change or installed as requested. Refer to the Aircraft Equipment List.
  • Page 136 Airplane Factory SLING 4 Pilot Operating Handbook 7.19.1 Charge system / start system / fuel pump wiring diagram Page | 7-33 DC-POH-001-X-C-3 Revision : 1.3...
  • Page 137 Airplane Factory SLING 4 Pilot Operating Handbook 7.19.2 Switches and circuit breakers wiring diagram Page | 7-34 DC-POH-001-X-C-3 Revision : 1.3...
  • Page 138 Airplane Factory SLING 4 Pilot Operating Handbook 7.19.3 EFIS back-up circuit / back-up battery wiring diagram Page | 7-35 DC-POH-001-X-C-3 Revision : 1.3...

  • Page 139: Propeller

    Airplane Factory SLING 4 Pilot Operating Handbook 7.20 Propeller 1.83 m (72”) Airmaster AP332 3-blade constant speed propeller with composite blades. Propeller control is via an electronic control unit mounted on the instrument panel. Power to the propeller / propeller controller is provided via the main bus, through a circuit breaker and is activated by a switch labeled PROP, located on the instrument panel.
  • Page 140 Airplane Factory SLING 4 Pilot Operating Handbook 7.21 Fuel system Left fuel tank Rotax 914 UL engine Right fuel tank Fuel flow sensor Fuel filter(s) Fuel pressure sensor Fuel selector (LEFT, Fuel line to carburettors RIGHT, OFF) Electric fuel pumps...
  • Page 141 Airplane Factory SLING 4 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 84 (22.19 US gallons) litres (168 litres (44.38 US gallons) total, 164 (43.32 US gallons) litres useable).
  • Page 142 Airplane Factory SLING 4 Pilot Operating Handbook Main fuel pump Refer to paragraphs 7.19.1 and 7.19.2. The main fuel pump is connected to the main bus. The pump is protected by a circuit breaker located on the instrument panel. The pump cannot be operated when power to the main bus is removed (i.e.

  • Page 143: Fuel System

    Airplane Factory SLING 4 Pilot Operating Handbook Fuel type and considerations regarding the operational use of the fuel system FUEL (914 UL) Minimum RON 95 / Minimum AKI 91 DIN EN 228 Super, DIN EN 228 Super Plus, ASTM MOGAS D4814.

  • Page 144: Lubrication System

    Airplane Factory SLING 4 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 145: Turbocharger Control Unit (Tcu)

    Airplane Factory SLING 4 Pilot Operating Handbook 7.23 Turbocharger Control Unit (TCU) The applicable sections in the Rotax 914 UL operators manual should be carefully read in conjunction with this section. A throttle arm position sensor is mounted on one carburetor. The sensor measures (throttle) position linearly from 0% to 115%, corresponding to engine idle and engine full (100%) power respectively.
  • Page 146 Airplane Factory SLING 4 Pilot Operating Handbook The TCU controls two indicator lights mounted on the instrument panel (refer to paragraph 7.12), labeled BOOST and CAUTION. When supply voltage is supplied to the TCU (master switch is switched on) the TCU is subjected to a self test. Both the BOOST and CAUTION lights should illuminate for 1 to 2 seconds and then turn off.

  • Page 147: Autopilot System

    Airplane Factory SLING 4 Pilot Operating Handbook 7.24 Autopilot system The autopilot system is integrated into / with the EFIS unit. Please refer to the latest revisions of the MGL iEFIS Panel Operator Manual and MGL Integrated Autopilot User and Installation Manual for detailed instructions on autopilot operation and functionality.

  • Page 148: Position, Anti-Collision, Taxi And Landing Lights

    Airplane Factory SLING 4 Pilot Operating Handbook 7.25 Position, anti-collision, taxi and landing lights The aircraft is equipped with a landing light and taxi light in each wing leading edge. Each pair of landing lights is activated by a switch (labeled LAND) located on the instrument panel.

  • Page 149: Aircraft Ground Handling And Servicing

    Airplane Factory SLING 4 Pilot Operating Handbook 8. AIRCRAFT GROUND HANDLING AND SERVICING 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 ..................

  • Page 150: Introduction

    Reference should always be made to the maintenance manual. Servicing fuel, oil and coolant Refer to the appropriate chapters in the Rotax 914 UL engine maintenance and operator manuals and the Sling 4 Aircraft Maintenance Manual. Page |8-3 DC-POH-001-X-C-3 Revision : 1.3...

  • Page 151: Towing And Tie-Down / Mooring Instructions

    Airplane Factory SLING 4 Pilot Operating Handbook Towing and tie-down / mooring instructions Towing If you wish to move the aircraft on the ground other than under its own power, it is best to pull the aircraft forwards or push it backwards by hand holding one or more propeller blades, close to the spinner.
  • Page 152 Airplane Factory SLING 4 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 153: Parking

    Airplane Factory SLING 4 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 154: Road Transport

    Airplane Factory SLING 4 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 155 Airplane Factory SLING 4 Pilot Operating Handbook Assembly and disassembly Refer to the aircraft maintenance manual and the aircraft construction manual 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 156: Aircraft Modifications And Repairs

    Airplane Factory SLING 4 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 157: Supplementary Information

    Airplane Factory SLING 4 Pilot Operating Handbook 9. SUPPLEMENTARY INFORMATION 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...

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