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Sling 4 TSi Pilot Operating Handbook

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S E RI AL NO :
RE G I ST RAT I O N :
DC- POH- 00 1- X- F - 3. 0
PI L OT OP E RAT I NG HANDBOOK
DAT E: 14 J UL Y 2021
REVI S I O N 3. 0
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 S E RI AL NO : RE G I ST RAT I O N : DC- POH- 00 1- X- F - 3. 0 PI L OT OP E RAT I NG HANDBOOK DAT E: 14 J UL Y 2021 REVI S I O N 3.
  • Page 2 FAR Part 23 Issue Date of POH: 2021/07/14 Please advise Sling Aircraft upon change of ownership of this aircraft. This airplane must be operated in compliance with information and limitations contained herein. This pilot operating handbook must be available on board of the airplane at all times.
  • Page 3 Pilot Operating Handbook Preface NOTICE This manual is written for the standard 915 iS powered 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 said aircraft corresponds with the production standard.
  • Page 4 Preface Compliance Statement The FAA Standards used for the design, construction, and continued airworthiness for the Sling 4 TSi are: • FAA FAR, Part 23 – Airworthiness Standards: Normal, Utility, Aerobatic and Commuter Category Quality Assurance records are stored with the manufacturer in South Africa, at the address below: Sling Aircraft (Pty) Ltd.
  • Page 5 • The owner of a Sling 4 TSI shall ensure that any needed corrective action be completed as specified in a bulletin/letter/notice, or by the next scheduled annual inspection.
  • Page 6 Sling 4 TSi Section 0 Pilot Operating Handbook Preface 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 and dates appear at the foot of each page.
  • Page 7 Sling 4 TSi Section 0 Pilot Operating Handbook Preface List of Manual Revisions Latest Latest Page Page Status Page Page Status Revision Revision Revised Revised Revised Revised Revised Revised Revised Revised Revised Revised Revised 2-10 Revised viii Revised 2-11 Revised...
  • Page 8 Sling 4 TSi Section 0 Pilot Operating Handbook Preface Latest Latest Page Page Status Page Page Status Revision Revision 3-20 Revised Revised 3-21 Removed Revised 3-22 Removed Removed 3-23 Removed Removed 3-24 Removed Removed 3-25 Removed Inserted Inserted Revised Revised...
  • Page 9 Sling 4 TSi Section 0 Pilot Operating Handbook Preface Latest Latest Page Page Status Page Page Status Revision Revision 7-15 Revised 7-48 Removed 7-16 Revised 7-49 Removed 7-17 Revised 7-50 Removed 7-18 Revised 7-51 Removed 7-19 Revised 7-52 Removed 7-20...
  • Page 10 Sling 4 TSi Section 0 Pilot Operating Handbook Preface Table of Contents General Information ............... 1-0 Limitations ..................2-0 Emergency Procedures ..............3-0 Normal Procedures ................. 4-0 Performance ................... 5-0 Weight and Balance ................ 6-0 Aircraft and Systems ............... 7-0 Ground Handling and Servicing ............
  • Page 11 Introduction to Airplane ............1-1 Warnings, Cautions and Notes ..........1-2 Aircraft 3-View Drawing ............1-3 Data for Sling 4 TSi Aircraft and Systems ........1-5 Terminology, Symbols and Conversion Factors ...... 1-10 Supporting Documents ............1-15 Document Number: DC-POH-001-X-F-3.0 Page | 1-0 Revision: 3.0...
  • Page 12 Pilot Operating Handbook General Information Introduction to Airplane 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 Sling 4 TSi Section 1 Pilot Operating Handbook General Information Warnings, Cautions and Notes The following definitions apply to warnings, cautions and notes in the Pilot Operating Handbook. WARNING Warning – Indicates that non-observation of the corresponding procedure leads to a serious and immediate degradation of flight safety.
  • Page 14 Sling 4 TSi Section 1 Pilot Operating Handbook General Information Aircraft 3-View Drawing DIMENSIONS IN THIS DRAWING ARE IN MILLIMETRES. CAUTION Do not use these values for weight and balance, as they are overall dimensions for illustration purposes and do not use the prescribed reference plane.
  • Page 15 Sling 4 TSi Section 1 Pilot Operating Handbook General Information DIMENSIONS IN THIS DRAWING ARE IN MILLIMETRES. Document Number: DC-POH-001-X-F-3.0 Page | 1-4 Revision: 3.0 Date: 2021/07/14...
  • Page 16 Sling 4 TSi Section 1 Pilot Operating Handbook General Information Data for Sling 4 TSi Aircraft and Systems 1.4.1 Wing Parameter Value Wingspan 9.544 m / 31ft. 3.7in. Mean Aerodynamic Chord 1.302 m / 51.3 in. Wing Surface Area 11.51 m / 123.9 ft...
  • Page 17 Sling 4 TSi Section 1 Pilot Operating Handbook General Information 1.4.4 Landing Gear Parameter / Item Value Wheel Track 1.95 m / 6ft. 5in. Wheelbase 1.72 m /5ft. 8in. Brake Type Hydraulic Main Gear Tyres 15x6.00-6; 6-ply (2.5 bar / 36 psi) Nose Wheel Tyre 5.00-5;...
  • Page 18 Sling 4 TSi Section 1 Pilot Operating Handbook General Information 1.4.7 Propeller Parameter / Item Value Manufacturers Hub – Airmaster Blades – Whirlwind Model AP430CTF-WWR72B Number of Blades 3, Composite Diameter 1.83 m / 72 in. 1.4.8 Fuel Parameter / Item...
  • Page 19 Sling 4 TSi Section 1 Pilot Operating Handbook General Information 1.4.9 Oil System Parameter / Item Value Oil System Type Forced with external oil reservoir Automotive grade API “SG” type oil, or higher, preferably synthetic, or semi-synthetic. When operating on unleaded fuels or MOGAS, fully synthetic oil is recommended.
  • Page 20 Sling 4 TSi Section 1 Pilot Operating Handbook General Information 1.4.11 Maximum Weights Parameter Value Maximum Take-off Weight 950 kg (2,095 lb.) Maximum Landing Weight 950 kg (2,095 lb.) Maximum Baggage Weight 35 kg (77 lb.) (Total) Maximum Baggage Weight 3 kg (7 lb.)
  • Page 21 Sling 4 TSi Section 1 Pilot Operating Handbook General Information Terminology, Symbols and Conversion Factors 1.5.1 General Terminology Acronym Description Alternating Current AHRS Attitude and Heading Reference System Anti-Knock Index Altimeter American Petroleum Institute Airspeed Indicator AVGAS Aviation Gasoline Communication (Radio)
  • Page 22 Sling 4 TSi Section 1 Pilot Operating Handbook General Information 1.5.2 Speed and Performance Terminology Acronym Description Indicated Airspeed. Calibrated Airspeed – the indicated airspeed corrected for position and KCAS instrument error, expressed in knots. Indicated Airspeed – the speed shown on the airspeed indicator, KIAS expressed in knots.
  • Page 23 Sling 4 TSi Section 1 Pilot Operating Handbook General Information 1.5.3 Meteorological Terminology Acronym Description International Standard Atmosphere The local pressure setting that if set on the subscale of an altimeter, the altimeter will indicate local altitude above mean sea level.
  • Page 24 The reference datum is an imaginary vertical plane from which all horizontal distances are measured for weight and balance Datum purposes. The Sling 4 TSi datum is 52mm aft of the propeller flange. Empty The weight of the airplane with engine fluids at operating levels.
  • Page 25 Sling 4 TSi Section 1 Pilot Operating Handbook General Information 1.5.7 Useful Conversion Factors Imperial Metric pound 1 0.4536 kilogram pound per square 6.895 kilopascal inch inch 1 25.4 millimetres foot 1 0.3048 meters statute mile 1 1.609 kilometres nautical mile 1 1.852...
  • Page 26 Sling 4 TSi Section 1 Pilot Operating Handbook General Information Supporting Documents The following documents are regards as supporting documents to this Pilot Operating Handbook: 1. The latest revision of the Operators Manual for Rotax® Engine Type 915 iS A Series, ref. no.: OM-915 I A.

  • Page 27: Table Of Contents

    Sling 4 TSi Section 2 Pilot Operating Handbook Limitations 2 Limitations Introduction ................2-1 Airspeed Limitations ..............2-1 Airspeed Indicator Markings ............. 2-2 Stall Speed Adjustment for Turning Flight ........ 2-3 Crosswind and Wind Limitation (Demonstrated) ...... 2-4 Service Ceiling ................2-4 Load Factors ................

  • Page 28: Limitations

    Sling 4 TSi Section 2 Pilot Operating Handbook Limitations Introduction This section includes operating limitations, instrument markings and placards necessary for the safe operation of the Sling 4 TSi, its engine, systems, and equipment. Airspeed Limitations Speed KIAS Remarks Never Exceed...

  • Page 29: Airspeed Indicator Markings

    Sling 4 TSi Section 2 Pilot Operating Handbook Limitations Airspeed Indicator Markings Marking KIAS Significance Flap Operating Range White Arc 48-85 Lower Limit - V (At MAUW) Upper Limit - V (Max. flap operation speed) Normal Operating Range Green Arc...

  • Page 30: Stall Speed Adjustment For Turning Flight

    Sling 4 TSi Section 2 Pilot Operating Handbook Limitations Stall Speed Adjustment for Turning Flight Stall speeds listed earlier in this section are for straight and level flight, at a load factor of 1g. Speeds should be adjusted for turning flight or increased load factor.

  • Page 31: Crosswind And Wind Limitation (Demonstrated)

    Sling 4 TSi Section 2 Pilot Operating Handbook Limitations Crosswind and Wind Limitation (Demonstrated) Item Value Maximum demonstrated crosswind 15 kts component for take-off and landing Service Ceiling Item Value Service Ceiling 18,000 ft. / 4,486 m Load Factors Item...

  • Page 32: Centre Of Gravity Range

    Sling 4 TSi Section 2 Pilot Operating Handbook Limitations Centre of Gravity Range Item Value 52mm aft of the centre of the front face of Datum the engine propeller flange Second row of rivets below the canopy frame Reference edge, on the outside of the fuselage, above (Longitudinal Levelling) the wing.

  • Page 33: Prohibited Manoeuvres

    Sling 4 TSi Section 2 Pilot Operating Handbook Limitations 2.10 Prohibited Manoeuvres The Sling 4 TSi is approved for normal manoeuvres, including the following: • Steep turns not exceeding 60° • Lazy Eights • Chandelles • Stalls (not including whip stalls) WARNING Aerobatics and intentional spins are prohibited.

  • Page 34: Kinds Of Operation

    Pilot Operating Handbook Limitations 2.13 Kinds of Operation 2.13.1 Normal VFR Operation The Sling 4 TSi, in standard configuration, is approved only for day VFR operation with visual contact with terrain. Minimum equipment is as follows: Equipment Altimeter, with encoding transponder...
  • Page 35 Sling 4 TSi Section 2 Pilot Operating Handbook Limitations 2.13.3 IFR Operation Provided that the aircraft is appropriately equipped, the aircraft may be safely flown under IFR. Depending on the practical and legal requirements of the judicial region the aircraft will be operated, the aircraft may also be safely flown in IMC conditions, in accordance with IFR.

  • Page 36: Engine Limitations

    Sling 4 TSi Section 2 Pilot Operating Handbook Limitations 2.14 Engine Limitations Instruments reflecting engine parameters should, in each case, be marked / set to reflect the minimum and maximum figures. Always refer to the latest edition / revision of the engine Operators Manual for latest information regarding operating limitations.
  • Page 37 Sling 4 TSi Section 2 Pilot Operating Handbook Limitations 2.14.3 Engine Operational and Speed Limits Item Value Engine Model ROTAX 915 iS Engine Manufacturer Bombardier-Rotax GMBH 105 kW / 141 hp at 5800 rpm, Maximum take-off max. 5 minutes Power...

  • Page 38: Other Limitations

    Sling 4 TSi Section 2 Pilot Operating Handbook Limitations 2.15 Other Limitations • No smoking is allowed on-board the airplane. • VFR only flights are permitted unless the operator has equipped the aircraft correctly for IFR flight. WARNING Intentional flights under icing conditions are prohibited! 2.16 Flight in Precipitation...

  • Page 39: Limitation Placards

    Sling 4 TSi Section 2 Pilot Operating Handbook Limitations 2.17 Limitation Placards The following limitation warning placards must be placed in the aircraft and positioned in plain view of the pilot and passenger. 2.17.1 Instrument Panel OPERATE UNDER VMC ONLY...
  • Page 40 NO STEP 2.17.6 Fireproof Metal Plate Attached to Aircraft ZU-### CONSTRUCTOR – SLING AIRCRAFT MODEL – SLING 4 TSi AIRCRAFT SERIAL NO – ### ENGINE ROTAX 915 iS – 141 HP MANUFACTURED - ### NOTE • ### represents the information applicable to the specific aircraft.
  • Page 41 Sling 4 TSi Section 2 Pilot Operating Handbook Limitations 2.17.7 Other Placards The aircraft must be placarded to show the identity of: • All Fuses / Circuit Breakers • Ignition switches • Starter • Trim: NOSE UP and NOSE DOWN •...
  • Page 42 Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures 3 Emergency Procedures Introduction ................3-1 Speeds for Emergency Operations ..........3-2 Engine Related Emergencies ............. 3-3 Emergency Landing Procedures ..........3-7 Smoke and Fires ..............3-10 Recovery from Unintentional Spin .......... 3-13 Other Emergencies ..............

  • Page 43: Emergency Procedures

    Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures Introduction This section provides checklists and procedures for coping with various emergencies that may arise. Emergencies caused by aircraft or engine malfunction are extremely rare if the appropriate procedures are followed, such as pre-flight inspections and general maintenance.

  • Page 44: Speeds For Emergency Operations

    Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures Speeds for Emergency Operations Speed KIAS Remarks This speed (MAUW, flaps up) results in the best gliding distance, along the ground. Best Glide Speed Horizontal distance travelled (in still air) is approx.

  • Page 45: Engine Related Emergencies

    Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures Engine Related Emergencies 3.3.1 Engine Failure During Take-off 1. Throttle ......... IDLE 2. Brakes ..........APPLY with aircraft under control – 3. Ignition Lanes ........ OFF (A & B) 4. Master ........... OFF 5.
  • Page 46 Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures 3.3.3 Engine Failure During Flight 1. Airspeed ........72 KIAS 2. Landing Area ......... CLEAR GROUND 3. Air Start ......... COMMENCE If engine successfully restarts – 4. Continue ........PROCEED WITH CAUTION 5.
  • Page 47 Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures 3.3.5 Irregular Engine RPM 1. Ignition Lanes ........ ON (A & B) 2. Throttle ......... VERIFY POSITION 3. ECU Backup Switch ......ON 4. Fuel Quantity ......... CHECK 5. Fuel Selector ........CHANGE...
  • Page 48 Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures 3.3.7 Low Oil Pressure 1. Oil - Temperature ......CHECK (MAX. 120 °C) If oil temperature is high or increasing – 2. Airspeed ........72 KIAS If oil pressure remains low or temperature remains high/increasing –...

  • Page 49: Emergency Landing Procedures

    Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures Emergency Landing Procedures 3.4.1 Emergency Landing without Engine Power 1. Airspeed ........72 KIAS 2. Landing Location ......LOCATE 3. Engine Air-start ......ATTEMPT (AS TIME PERMITS) If engine fails to restart –...
  • Page 50 Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures 3.4.2 Precautionary Landing with Engine Power 1. Airspeed ........75 KIAS 2. Flaps ..........TAKE-OFF 3. Fuel Pumps ........BOTH ON (MAIN & AUX) 4. Boost Pump ........ON 5. Landing Area ......... INSPECT (AS PER PROCEDURE) 6.
  • Page 51 LONG AS POSSIBLE WITH ELEVATOR NOTE The Sling 4 TSi lands within ground effect since the wings are low to the ground. Anticipate an increase in lift just before touch-down, unless airfoil stalls before entering ground effect. Document Number: DC-POH-001-X-F-3.0 Page | 3-9 Revision: 3.0...

  • Page 52: Smoke And Fires

    Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures Smoke and Fires 3.5.1 Engine Fire on Ground During Start 1. Starter ........... RELEASE 2. Fuel Selector ........CLOSE 3. Fuel Pumps ........BOTH OFF (MAIN & AUX) 4. Boost Pump ........OFF 5.
  • Page 53 Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures 3.5.3 Engine Fire during Take-off Run 1. Throttle ......... IDLE 2. Cabin Heat ........CLOSE 3. Brakes ..........APPLY UNTIL STOP 4. Fuel Selector ........CLOSE 5. Fuel Pumps ........BOTH OFF (MAIN &...
  • Page 54 Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures 3.5.5 Electrical Fire in Flight An electrical fire is often characterized by white smoke and an acrid smell. 1. Master ........... OFF (a)(b) 2. Ignition Lanes ........ REMAIN ON 3. Electrical Switches ......OFF 4.

  • Page 55: Recovery From Unintentional Spin

    Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures Recovery from Unintentional Spin WARNING Intentional spins are prohibited. Unintentional spin recovery technique. 1. Throttle ......... IDLE 2. Lateral Control ....... AILERONS NEUTRAL 3. Yaw Control ........RUDDER FULL IN OPPOSITE DIRECTION OF SPIN when rotation stops –...

  • Page 56: Other Emergencies

    Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures Other Emergencies 3.7.1 Propeller VP Failure 1. Engine Speed ....PREVENT OVERSPEED 2. Propeller Mode ....SELECT MANUAL (MAN) 3. Propeller Pitch ....VERIFY OPERATION If propeller pitch control is still available –...
  • Page 57 Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures 3.7.2 Engine Vibration / Rough Running If any abnormal engine vibrations occur: 1. Fuel ..........CHECK QUANTITY 2. Fuel Pumps ........BOTH ON (MAIN & AUX) 3. Boost Pump ........ON 4.
  • Page 58 Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures 3.7.4 Alternator / Charge System Failure An alternator A/B failure is indicated by the lane warning lights. 3.7.4.1 Alternator A Failure – Alternator A failure is evident by the steady illumination of the lane A warning light, and a drop in the main bus voltage to nominal battery voltage (+/- 12.5 V)
  • Page 59 Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures 3.7.4.2 Alternator B Failure – Alternator B failure is evident by the steady illumination of the Lane B warning light, and a drop in the main bus voltage to nominal battery voltage (+/- 12.5 V).
  • Page 60 Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures 3.7.4.3 Alternator A and B Dual Failure – This will result in engine stoppage when the main battery goes flat, since no power is available to the ECU and subsequently the fuel pumps.
  • Page 61 Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures 3.7.4.4 Loss of Sensors The engine sensors, for redundancy purposes, are powered by Lane A/B separately. This means that if one of the two lanes fail, a subset of the engine sensors will also fail.
  • Page 62 Sling 4 TSi Section 3 Pilot Operating Handbook Emergency Procedures 3.7.5 Main Bus Power Failure Please refer to 7.14.4 Main Bus, for a list of equipment affected by a loss of power to the main bus. 1. ECU Backup ......ON 2.
  • Page 63 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures 4 Normal Procedures Introduction ................4-1 Speeds for Normal Operation ........... 4-1 Preflight Inspection ..............4-2 Engine Start and Taxi ..............4-8 Before Takeoff ................ 4-12 Take-off ................... 4-14 Flight ..................4-15 Landing ...................

  • Page 64: Normal Procedures

    Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures Introduction This section provides checklists and recommended procedures for normal operation of the aeroplane. The checklists proposed are considered to be the most desirable, and checks should follow them, unless there is a valid reason to deviate from them.
  • Page 65 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures Preflight Inspection A preflight inspection is required prior to every flight, or first flight of the day. It must also be performed after any incident, accident, maintenance activity etc. Incomplete or careless inspections can result in an accident.
  • Page 66 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures 4.3.1 Inspection Checklist 4.3.1.1 Cabin Ignition Lanes ......OFF Master Switch ......ON Fuel ..........VERIFY QUANTITY Flaps........... FULL DOWN Avionics ........VERIFY CONDITION Master Switch ......OFF Controls (all) ......CHECK for full, free movement up to stops Harnesses and Seats ....
  • Page 67 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures 4.3.1.3 Empennage Tie-down Rope ......REMOVED Horizontal Stabilizer ..... CHECK CONDITION Vertical Stabilizer ......CHECK CONDITION Elevator........CHECK CONDITION / MOVEMENT Elevator Trim Tab ......CHECK CONDITION Rudder ......... CHECK CONDITION / MOVEMENT Hinges, Bolts, Pushrods ....
  • Page 68 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures WARNING Physically verify the fuel level before each take-off. Fuel can be visibly seen, through the filler cap, just covering the (total) bottom of the fuel tank with 30 litres present.
  • Page 69 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures 4.3.1.6 Left Wing Fuel Quantity ......CHECK THOUGH FILLER Fuel Vent ..CHECK UNOBSTRUCTED (underside of wing) Wing Leading Edge....... CHECK CONDITION Taxi/Landing Light Lens ....CHECK CONDITION Wingtip ........CHECK CONDITION Nav Light ........
  • Page 70 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures 4.3.1.7 Tyre Pressure Visual Inspection The tyres must be visually inspected prior to every flight. It is not necessary to check the pressure of the tyre with a gauge; it is sufficient to visually inspect the tyre.

  • Page 71: Engine Start And Taxi

    Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures Engine Start and Taxi 4.4.1 Before Engine Start Preflight Inspection ..... COMPLETE Emergency Equipment....ON BOARD Passenger Briefing ....... COMPLETE Seats ..........CORRECTLY ADJUSTED Harnesses ........SECURE Park Brake ........ON Circuit Breakers ......
  • Page 72 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures 4.4.2 Engine Start 1. Fuel Selector ......EMPTIEST TANK (IF NOT EMPTY) 2. EFIS Backup Switch ....ON 3. EFIS Main Switch ...... ON 4. ECU Backup Switch ....ON 5.
  • Page 73 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures CAUTION • The starter can be activated for a maximum of 10 seconds, followed by a 2-minute pause, to allow the starter to cool. • Only increase engine speed 10 seconds after start, if the oil pressure is steady above 2 bar (29psi).
  • Page 74 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures 4.4.3 Taxi 1. Flaps ........UP 2. Brakes ........OFF 3. Control ........INTO WIND OR NEUTRAL 4. Power ........AS REQUIRED 5. Brakes ........VERIFY OPERATION AT START OF TAXI Document Number: DC-POH-001-X-F-3.0...

  • Page 75: Before Takeoff

    Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures Before Takeoff To be conducted at a holding point or equivalent – 4.5.1 Run Up & Pre-Takeoff 1. Direction ......INTO WIND 2. Oil Temperature ....ABOVE 40°C 3. Fuel Selector ....FULLEST TANK 4.
  • Page 76 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures NOTE a) Lane Check Switch off each lane for 1 second, then switch back on. Wait until the lane warning light extinguishes (+/- 5 sec) before proceeding to the next lane / check. No more than 250rpm increase / decrease during check.

  • Page 77: Take-Off

    Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures Take-off 1. Throttle ......FULL 2. Engine Speed ....VERIFY 5,800 RPM 3. Elevator Control ..... NEUTRAL 4. Engine Parameters ..VERIFY (PRESSURES, TEMPERATURES) 5. Rotate ......55 KIAS 6. Airspeed ......75 KIAS (V 7.

  • Page 78: Flight

    Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures Flight 4.7.1 Climb 1. Throttle ......FULL 2. Propeller ......CLIMB (5,500 RPM) 3. Airspeed ......V – 65 KIAS – 75 KIAS ......V ......CRUISE 85 – 100 KIAS 4.
  • Page 79 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures 4.7.3 Decent 1. ATIS / Weather ....CHECKED 2. Altimeter ......SET 3. Fuel Selector ......FULLEST TANK (BOOST PUMP ON DURING SWITCH) 4. Lights ........AS REQUIRED 5. Seatbelts ......CHECKED 6.

  • Page 80: Landing

    Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures Landing 4.8.1 Before Landing 1. Park Brake ....... OFF 2. Fuel Pumps ...... BOTH ON (AUX & MAIN) 3. Boost Pump ..... ON 4. Airspeed ......75 KIAS 5. Flaps ........ 1 STAGE ON DOWNWIND ........
  • Page 81 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures 4.8.3 Normal Landing 1. Airspeed @50 ft ....70 KIAS 2. Power ......IDLE IN GROUND EFFECT 3. Flare ........ TO MINIMUM FLIGHT SPEED 4. Touchdown ..... MAINS FIRST (HOLD NOSE WHEEL OFF) 5.
  • Page 82 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures 4.8.5 Engine Shutdown 1. Engine Speed ........IDLE 2. Park Brake ......... SET 3. Engine Parameters ......WITHIN LIMITS 4. Lane B ..........OFF 5. Lane A ..........OFF 6. Main Fuel Pump ....... OFF 7.

  • Page 83: Special Procedures

    Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures Special Procedures 4.9.1 Baulked / Rejected Landing 1. Throttle ........FULL 2. Engine........CONFIRM 5,800 RPM 3. Flaps ........2 STAGE A.S.A.P ........UP (65 KIAS, min. 300ft.) 4. AUX Fuel Pump ....... OFF 5.
  • Page 84 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures 4.9.3 Short Field Landing 1. Approach ......FLAT / UNDER POWER 2. Throttle ......AS REQUIRED 3. Approach Airspeed ..65-70 KIAS 4. Throttle ......IDLE 5. Flare ........ COMMENCE 6.
  • Page 85 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures 4.9.5 Soft Field Takeoff 1. Aircraft Weight ....MINIMISE 2. Elevator Trim ....NEUTRAL 3. Flaps ........ STAGE 2 4. Propeller ......T.O. (5,800RPM) 5. Parking Brake ....SET FULL 6.
  • Page 86 Sling 4 TSi Section 4 Pilot Operating Handbook Normal Procedures 4.9.6 Crosswind Takeoff 1. Pre-Takeoff Checks ..NORMAL 2. Aileron ......FULL INTO WIND 3. Take-off Procedure ..NORMAL 4. Aileron ......REDUCE INPUT AS REQUIRED NOTES a. As the aircraft accelerates, the pilot must reduce aileron input to avoid the wing hitting the ground.
  • Page 87 Sling 4 TSI Section 5 Pilot Operating Handbook Performance 5 Performance Introduction ................5-1 Takeoff and Landing Distance ........... 5-1 Rate of Climb ................5-2 Cruise Speeds ................5-3 Fuel Consumption ..............5-4 Airspeed Indicator System Calibration ........5-5 Document Number: DC-POH-001-X-F-3.0 Page | 5-0 Revision: 3.0...
  • Page 88 Sling 4 TSI Section 5 Pilot Operating Handbook Performance Introduction The data presented in this section has been deduced from flight tests with the aircraft and engine in good condition, and using average piloting techniques. The performance in this section is valid for: •...
  • Page 89 Sling 4 TSI Section 5 Pilot Operating Handbook Performance Rate of Climb Values relevant for maximum continuous power at 5,500 RPM – Best Rate Rate of Altitude of Climb Climb Speed (V [ft. ISA] [fpm] [KIAS] 1,000 2,000 3,000 4,000...
  • Page 90 ECO mode, which results in an approximate fuel consumption change from 28 LPH to 33 LPH in the cruise propeller setting. c) Cruise information for the Sling 4 TSi is declared using 75% power setting at 5,000RPM. Document Number: DC-POH-001-X-F-3.0 Page | 5-3 Revision: 3.0...
  • Page 91 Sling 4 TSI Section 5 Pilot Operating Handbook Performance Fuel Consumption Engine Power 100% MAX ECO Engine RPM 5,800 5,500 5,000 5,000 5,000 Fuel Burn 11.4 10.3 7.40 7.13 Endurance [hrs] Range [nm] 1,000 ft. Range [nm] 5,000 ft. Range [nm] 10,000 ft.
  • Page 92 Sling 4 TSI Section 5 Pilot Operating Handbook Performance Airspeed Indicator System Calibration [knots] [knots] [knots] (this aircraft) (average Document Number: DC-POH-001-X-F-3.0 Page | 5-5 Revision: 3.0 Date: 2021/07/14...
  • Page 93 Sling 4 TSi Section 6 Pilot Operating Handbook Weight and Balance 6 Weight and Balance Introduction ................6-1 Installed Equipment List ............6-1 Centre of Gravity Arms ............. 6-2 CG Envelope ................6-3 Determination of CG ..............6-4 Determination of Empty CG ............6-6 CG Determination (Example) ............

  • Page 94: Introduction

    Sling 4 TSi Section 6 Pilot Operating Handbook Weight and Balance Introduction This section details weight and balance information, along with payload ranges for safe operation of the aircraft. Installed Equipment List Type Equipment Item Garmin G3X (GDU460) Glass Cockpit...

  • Page 95: Centre Of Gravity Arms

    Sling 4 TSi Section 6 Pilot Operating Handbook Weight and Balance Centre of Gravity Arms Datum: 52mm AFT OF FRONT FACE OF ENGINE PROPELLER FLANGE 2043 Max AFT CG 1847 Max FWD CG 464 NW 1800 Fuel 1902 Front Seats...

  • Page 96: Cg Envelope

    Sling 4 TSi Section 6 Pilot Operating Handbook Weight and Balance CG Envelope 1000 2205 Allowable CG Envelope 2095 1984 1852 1764 FLIGHT ALLOWED IN SHADED AREA ONLY 1543 1323 1102 1080 Percentage of MAC Allowable CG Envelope Document Number: DC-POH-001-X-F-3.0 Page | 6-3 Revision: 3.0...

  • Page 97: Determination Of Cg

    Section 6 Pilot Operating Handbook Weight and Balance Determination of CG Sling Aircraft makes use of a numerical method in calculating the CG of the aircraft. The following will be required to complete a CG check: Item Empty CG Value...
  • Page 98 Sling 4 TSi Section 6 Pilot Operating Handbook Weight and Balance The aircrafts empty CG is determined in a conventional manner, by weighing the aircraft whilst it is standing level. Refer to the Maintenance Manual for more. Maximum all up weight (MAUW) = 950kg (2,095lb) ����...

  • Page 99: Determination Of Empty Cg

    Sling 4 TSi Section 6 Pilot Operating Handbook Weight and Balance Determination of Empty CG ITEM WEIGHT MOMENT [kg (lb)] [mm (ft)] (weight x arm) [kg.mm (lb.ft)] Right Main Wheel W = 2 236 (7.336) Left Main Wheel = 2 236 (7.336) Nose Wheel = 464 (1.522)

  • Page 100: Cg Determination (Example)

    Sling 4 TSi Section 6 Pilot Operating Handbook Weight and Balance CG Determination (Example) Moment Weight (weight x arm) [kg (lb)] [mm (ft)] [kg.mm (lb.ft)] Crew 323340 2x 85kg = 170kg 1 902 (6.240) [Front] Passengers 2 948 (9.672) [Rear]...
  • Page 101 Sling 4 TSi Section 6 Pilot Operating Handbook Weight and Balance Blank CG Form and Graph for Use Moment Weight (weight x arm) [kg (lb)] [mm (ft)] [kg.mm (lb.ft)] Crew 1 902 (6.240) [Front] Passengers 2 948 (9.672) [Rear] Baggage 3 288 (10.787)
  • Page 102 Sling 4 TSi Section 6 Pilot Operating Handbook Weight and Balance 1000 2205 Allowable CG Envelope 2095 1984 1852 1764 1543 1323 1102 1080 Percentage of MAC Allowable CG Envelope Document Number: DC-POH-001-X-F-3.0 Page | 6-9 Revision: 3.0 Date: 2021/07/14...
  • Page 103 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7 Aircraft and Systems Airframe ..................7-1 Control System / Pilot Controls ..........7-2 Propeller ................... 7-9 Landing Gear ................7-13 Safety Harness and Seats ............7-13 Baggage Compartment ............7-14 Canopy ..................

  • Page 104: Airframe

    Pilot Operating Handbook Aircraft and Systems Airframe The Sling 4 TSi 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 angles, of the same material, with high quality blind rivets. This high strength aluminium alloy construction provided long life and low maintenance costs, thanks to its durability and corrosion resistance characteristics.
  • Page 105 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems Control System / Pilot Controls 7.2.1 Control Column(s) The aircraft is equipped with dual control sticks, which manipulate two of the three control axes: pitch (elevator) and roll (aileron). The stick...
  • Page 106 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.2.3 Brake Controls 7.2.3.1 Brake Lever – The braking system is typically a single hydraulic master cylinder acting on both wheels of the main landing gear, through a disk/calliper arrangement.
  • Page 107 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.2.3.4 Brake System Diagram 7.2.4 Throttle Lever The aircraft makes use of a single lever, FADEC (Full Authority Digital Engine Control) power delivery system. Refer to 7.9 Cockpit Layout.
  • Page 108 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.2.5 Fuel Selector Valve Fuel tank feed selection is enabled by a red coloured, three-position (LEFT, RIGHT, OFF) rotary selector valve, located at the bottom centre of the instrument panel / front of centre console. Refer to in 7.9 Cockpit Layout, for the location of the selector.
  • Page 109 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.2.7 Electrical equipment / control switches Switch / Function Position Label Power disconnected from main bus. MASTER / STARTER KEY Main bus connected to power. SWITCH Engage starter motor.
  • Page 110 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.2.9 Elevator Trim Elevator trim is electrically controlled by buttons on the control column, and these buttons are detailed in 7.2.1 Control Column(s). The trim motor is located in the left elevator (if facing forward) and drives the trim tab.
  • Page 111 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.2.11 Cabin Heat Heated air, warmed by the heat exchanger with the engine exhaust, can be selected via a selection knob located on the instrument panel. The system can be activated by pulling out the knob.

  • Page 112: Propeller

    Propeller 7.3.1 Introduction The Sling 4 TSi makes use of the Airmaster AP430CTF-WWR72B propeller, which has variable pitch and constant speed capabilities. Power to the propeller / propeller controller is provided via the main bust and activated by a switch labelled PROP, located on the instrument panel.
  • Page 113 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.3.2.1 Operation of the propeller controls • The power switch, labelled PROP, located on the instrument panel. This switch activates/deactivates the power supply to the propeller control unit and propeller pitch adjustment motor.
  • Page 114 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems • Manual propeller control switch is a toggle button, located separately from the propeller controller unit on the instrument panel. This switch allows: o Direct control of the propeller pitch when manual mode (MAN) is selected with the automatic/manual selector switch.
  • Page 115 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.3.2.2 Indicator Lights Information conveyed to the pilot by the propeller system is through three lights located on the propeller controller, namely Coarse, Fine and Feather indicators lights. The following table lists the various propeller status indications provided by the lights.

  • Page 116: Landing Gear

    Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems Landing Gear The landing gear is a tricycle landing gear with a steerable nose wheel, regardless of braking architecture. The main landing gear uses a single continuous composite spring section.

  • Page 117: Baggage Compartment

    Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems Baggage Compartment The baggage compartment is positioned behind the seats and is designed to carry up to 35kg (77lb) in total. The baggage extension compartment is located on the left side of the rear bulkhead. The baggage extension is designed to carry up to 3kg (6.6 lb.).

  • Page 118: Pitot And Static Systems

    Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems Pitot and Static Systems A pitot tube is located below the left wing, and the relevant pressures, experienced by the pitot, are transferred to the instrument through flexible hoses. The pitot features a second hole for the measurement of angle of attack.

  • Page 119: Cockpit Layout

    Pilot Operating Handbook Aircraft and Systems Cockpit Layout The basic cockpit layout is the same for all Sling 4 TSi aircraft, notwithstanding that instrumentation may differ substantially. All airplanes contain the minimum instrumentation, but particular airplanes may contain substantial additional instrumentation. The basic cockpit layout is configured as in the diagram, with key, below: Document Number: DC-POH-001-X-F-3.0...
  • Page 120 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems Cockpit Layout Key Brake shut-off valve (park Air vent brake) Ballistic parachute activation 10 Seat adjustment handle/lever lever Control stick 11 Throttle Brake lever 12 Fuel tank selector Headset connection sockets...

  • Page 121: Instruments And Avionics

    Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.10 Instruments and Avionics The diagram below represents an 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 below, as choice of instruments and layout is decided by the customer.
  • Page 122 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems Instruments and Avionics Key Power ON light ACK ELT display unit Master switch Circuit breakers Ignition switch Air vent Lane A and Lane B warning Cabin air flow control knob...
  • Page 123 EFIS System The Garmin G3X multifunction “Glass Cockpit” instrument is the standard EFIS used by Sling Aircraft. This instrument incorporates a range of different instruments and functions. The full instrumentation provided by the EFIS will typically include, but not limited to:...
  • Page 124 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems The EFIS installed can be powered from two separate systems: • Main Bus o Through the main EFIS switch, labelled “EFIS” • Back-up Battery o Through the selection switch, labelled “EFIS BKUP”...

  • Page 125: Minimum Instruments And Equipment Required For Flight

    Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.11 Minimum Instruments and Equipment Required for Flight The following minimum instrumentation and equipment is required for day VFR flight: # Item 1 Altimeter 2 Airspeed Indicator 3 Compass...

  • Page 126: Engine

    Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.12 Engine The engine fitted, as standard, is the Rotax 915 iS. This engine is a 4- stroke, 4-cylinder, turbocharged, horizontally opposed, spark ignition engine, with one central camshaft -pushrod OHV and a displacement of 1211cc (1.2L/74 cubic inch).

  • Page 127: Cooling System

    Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.13 Cooling System Cylinders are air-cooled, though forced are circulation from the inlets on the nose of the cowl, over cooling fins on the barrels. Cylinder heads are liquid cooled via a closed-circuit system, with an expansion tank.

  • Page 128: Electric System

    Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.14 Electric System 7.14.1 Broad Overview Diagram Document Number: DC-POH-001-X-F-3.0 Page | 7-25 Revision: 3.0 Date: 2021/07/14...
  • Page 129 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.14.2 Charge System The alternating current (AC) output of the two alternators (A and B) is passes through a rectifier, where it is converted to direct current (DC) for the aircraft systems. The charge system output is approximately 13.5 to 14V (from 1000 +/- 250 rpm and higher).
  • Page 130 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.14.6 Master and Starter Switches The master switch is a toggle switch located on the left side of the instrument panel. It links the main bust to the 12V battery / charge system.

  • Page 131: Fuel System

    Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.15 Fuel System 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 (46.5 US gallons) total, 172 (45.4 US gallons) litres useable).
  • Page 132 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems A diagram of the fuel system is as follows, with a key – Document Number: DC-POH-001-X-F-3.0 Page | 7-29 Revision: 3.0 Date: 2021/07/14...
  • Page 133 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems Fuel System Key A Left fuel tank T-piece 3/8”-5/16”-3/8” Right fuel tank T-piece 3/8”-3/8”-3/8” Fuel selector FS202-D2-F AN6 straight bulkhead D ANDAIR gascolator 1/8” NPT male to 8mm barb hose Rotax fuel pump M14x1.5 AN6 male...
  • Page 134 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems WARNING When the aircraft is operated using a single fuel pump at high throttle settings, in hot conditions, at high altitudes and using automotive fuels, it is possible that vaporisation / foaming of fuel may occur in the fuel pump system, causing cavitation.
  • Page 135 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.15.1 Main and Auxiliary Fuel Pumps The main and auxiliary fuel pumps are powered via the EMS/ECU. As long as power is available to the EMS/ECU, both fuel pumps can be selected/operated, irrespective of the master switch status.

  • Page 136: Lubrication System

    Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.16 Lubrication System The engine is provided with a dry sump forced lubrication system with a camshaft driven pump, with an integrated pressure regulator. The pump delivers oil from the oil reservoir, through an oil cooler and oil filter to points of lubrication.

  • Page 137: Autopilot System

    Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.17 Autopilot System The autopilot system is integrated into / with the EFIS unit. The EFIS / autopilot inputs data from an electronic compass and AHRS. With this, it controls two servos (one for pitch and one for roll), linked to the aircraft control system.

  • Page 138: Light Systems

    Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.18 Light Systems 7.18.1 Position, Anti-collision, Taxi and Landing Lights The aircraft is equipped with a landing and taxi light in the leading edge of the wing. The standard option is left wing only, with an optional extra for left and right wing.
  • Page 139 Sling 4 TSi Section 7 Pilot Operating Handbook Aircraft and Systems 7.18.2 Cabin Lights Interior lighting consists of front and rear overhead LED lights. Two red LED reading lights with adjustable beam angle are fitted for the pilot and front seat passenger. These are each operated with an ON/OFF switches and are dimmable through the rotary switch knob located aft of the pilot’s light.
  • Page 140 Sling 4 TSi Section 7 Pilot Operating Handbook Ground Handling Servicing 8 Ground Handling and Servicing Introduction ................8-1 Ground Handling ............... 8-1 Servicing ................... 8-6 Cleaning and Care ..............8-8 Document Number: DC-POH-001-X-F-3.0 Page | 8-0 Revision: 3.0 Date: 2021/07/14...
  • Page 141 Servicing Introduction This section contains factory-recommended procedures for proper ground handling and servicing of the Sling 4 TSi. It also identifies certain inspection and maintenance requirements, which should be followed at all times. Full details for servicing and maintenance appear in the aircraft maintenance manual.
  • Page 142 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. WARNING When steering the aircraft with the tow bar, care should be taken to not rotate the nose wheel too violently or too far.
  • Page 143 Sling 4 TSi Section 7 Pilot Operating Handbook Ground Handling Servicing 8.2.4 Parking It is advisable to park the aircraft inside a hangar, or alternatively inside other suitable spaces, with good temperature, good ventilation, low humidity and dust-free. When parking for extended for extended periods, cover the cockpit canopy, and possibly the whole aircraft by means of a suitable tarpaulin.
  • Page 144 Sling 4 TSi Section 7 Pilot Operating Handbook Ground Handling Servicing 8.2.5 Mooring The aircraft should be tied down when parked outside the 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 145 Sling 4 TSi Section 7 Pilot Operating Handbook Ground Handling Servicing 8.2.6 Road Transporting The aircraft may be transported after loading on a suitable, aircraft specific trailer, or a flatbed with suitable rigging. It is necessary to remove the wings before road transport. It is suggested that the wings should be securely stored in a cradle of some kind.
  • Page 146 Sling 4 TSi Section 7 Pilot Operating Handbook Ground Handling Servicing Servicing 8.3.1 Jacking Since the empty weight of the aircraft is relatively low, two people are usually able to lift the aircraft. It is possible to lift the aircraft in the following manner: •...
  • Page 147 NOTES a. Both the manufacturers’ Operators Manual and Maintenance Manual More detail is supplied in the Sling 4 TSi Maintenance Manual. 8.3.3 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.
  • Page 148 Servicing fuel, Oil and Coolant This document makes a brief statement on these topics in Section 1. Before carrying out any work, refer to the Rotax Maintenance and Operators Manual, along with the Sling 4 TSi Aircraft Maintenance Manual. Cleaning and Care Use efficient cleaning detergents to clean the aircraft, such as regular car wax or degreaser.
  • Page 149 Sling 4 TSi Section 7 Pilot Operating Handbook Supplementary Information 9 Supplementary Information Introduction ................9-1 Supplement 01/2020 – Airplanes Fitted with Long Range Fuel Tanks 9-2 Supplement 02/2020 – Airplanes Fitted with an External Alternator ................... 9-8 Supplement 01/2021 – Airplanes fitted with a Magnum 601 Ballistic Parachute................
  • Page 150 Sling 4 TSi Section 7 Pilot Operating Handbook Supplementary Information Introduction This section contains the appropriate supplements necessary to safely and efficiently operate the aircraft when equipped with various common optional extras not supplied with the standard aircraft. The supplements included in this manual are –...
  • Page 151 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 152 Sling 4 TSi Section 7 Pilot Operating Handbook Supplementary Information 9.2.2 Operation of Long-Range Fuel Tanks Fuel tank feed selection is enabled by shut-off valves located against the centre console side wall, close to the pilot’s right knee for aircraft with standard brakes.
  • Page 153 Sling 4 TSi Section 7 Pilot Operating Handbook Supplementary Information 9.2.4 Example of Shut-Off Valve States Different Transfer Options Left B Tank to Right A Tank Right B Tank to Right A Tank Left B Tank to Left A Tank Right B Tank to Left A Tank Document Number: DC-POH-001-X-F-3.0...
  • Page 154 Sling 4 TSi Section 7 Pilot Operating Handbook Supplementary Information 9.2.5 Effect on Aircraft CG For long range tanks, an amendment is made to the standard blank CG form. The moment arm for long range tanks, 1 822 mm, is added as shown in the table below.
  • Page 155 Sling 4 TSi Section 7 Pilot Operating Handbook Supplementary Information 9.2.6 Long Range Fuel System Diagram Key Long Range Fuel System Key A Left fuel tank Left L/R fuel tank Right fuel tank Right L/R fuel tank male to female...
  • Page 156 Sling 4 TSi Section 7 Pilot Operating Handbook Supplementary Information 9.2.7 Long Range Fuel System Diagram Document Number: DC-POH-001-X-F-3.0 Page | 9-7 Revision: 3.0 Date: 2021/07/14...
  • Page 157 External Alternator 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 158 Sling 4 TSi Section 7 Pilot Operating Handbook Supplementary Information 9.3.3 External Alternator Wiring 9.3.4 Effect on Mass and Balance The CG range mentioned in Section 6 of this document continues to apply and following fitment of the external alternator, the empty CG of the aircraft should be measured and appropriately recorded.
  • Page 159 This supplement provides information necessary for the operation of an aircraft fitted with a Magnum 901 ballistic parachute. • The Sling 4 TSi is specifically designed for convenient fitment of the Magnum 901 ballistic parachute recovery system, manufactured by Stratos 07. The system is designed to enable...
  • Page 160 Sling 4 TSi Section 7 Pilot Operating Handbook Supplementary Information 9.4.2 Ballistic Parachute Operational Parameters Parameter Value Limit Deployment Speed 320 km/h or 173 kt. Deployment Time (at Limit Speed) Maximum Supported Mass 950 kg or 2095 lb. Decent Rate (at Maximum Mass) 7 m/s 9.4.3...
  • Page 161 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 Sling 4 TSi for tugging and towing operations may...
  • Page 162 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 163 Sling 4 TSi Section 7 Pilot Operating Handbook Supplementary Information provides for the fitment of a red release handle immediately beneath the lower edge of the instrument panel and between the pilot’s knees. The release handle is connected to a cable that runs from the panel, along the centre of the fuselage to the lever on the release mechanism.
  • Page 164 Information takes no responsibility for aircraft performance and behaviour when used for such purposes. • The manufacturer’s approval of the Sling 4 TSi aircraft for glider tugging and banner towing purposes assumes an aircraft fitted with: o the manufacturer’s design attachment mechanism housing...

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