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Aeroprakt Ltd. AEROPRAKT-22LS Pilot Operating Handbook

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Aeroprakt Ltd.
24, Polevaya str., Kiev, Ukraine
Tel: 0038 044 496-77-21
Fax: 0038 044 496-77-31
e-mail:
air@prakt.kiev.ua
www.aeroprakt.kiev.ua
AEROPRAKT-22LS
Pilot Operating Handbook
A22LS-XXX-POH-01
This manual must be carried in the airplane at all times

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  • Page 1 Aeroprakt Ltd. 24, Polevaya str., Kiev, Ukraine Tel: 0038 044 496-77-21 Fax: 0038 044 496-77-31 e-mail: air@prakt.kiev.ua www.aeroprakt.kiev.ua AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 This manual must be carried in the airplane at all times...
  • Page 2 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 Model: AEROPRAKT-22LS (A-22LS) Serial No: Registration: Document No: A22LS-XXX-POH-01 Date of issue: Approved by: Signature: Position: Stamp: Date of approval: This airplane is to be operated in compliance with information and limitations contained herein.
  • Page 3 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 RECORD OF REVISIONS No part of this manual may be reproduced or changed in any manner without a written consent of the Manufacturer. Any revision of the present manual, except actual weighing data, must be recorded in the following table according to information from the Manufacturer.
  • Page 4 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 LIST OF EFFECTIVE PAGES Section Page Date Section Page Date...

  • Page 5: Table Of Contents

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 Table of contents 1 General information .....................7 1.1 General ........................7 1.2 Technical data......................7 1.3 Airplane three-view drawing ..................7 2 Airplane and Systems Descriptions ................8 2.1 Airframe ........................8 2.2 Landing gear ......................9 2.3 Engine and its controls....................9 2.4 Propeller........................9...
  • Page 6 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 6.7 Recovery from unintentional stall and spin............35 7 Normal Procedures ....................36 7.1 General .........................36 7.2 Preflight check.......................36 7.3 Engine starting ......................39 7.4 Taxiing ........................39 7.5 Before takeoff......................39 7.6 Normal takeoff.......................40 7.7 Short field takeoff ....................40 7.8 Climb........................40...

  • Page 7: General Information

    This Pilot Operating Handbook has been prepared to provide the airplane owner and operators with information required for the safe and efficient operation of this airplane. AEROPRAKT-22LS (A-22LS) is a two-seat, high-wing strut braced monoplane of "classic" aerodynamic layout with closed cockpit, non-retractable landing gear with steerable nose wheel, Rotax-912 engine with tractor three-blade on-ground adjustable pitch propeller.

  • Page 8: Airplane And Systems Descriptions

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 2 Airplane and Systems Descriptions 2.1 Airframe Wing: high placed, strut braced, constant chord. Wing section is P-IIIa-15%. Wing primary structure consists of a single spar, ribs and aft web. Forward of the spar the wing has 2024T3 aluminum alloy skin of 0.5-0.8 mm (0.020-0.032 in) sheet, which together with the...

  • Page 9: Landing Gear

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 2.2 Landing gear Airplane landing gear is of tricycle type with steerable nose wheel. The main LG is of the cantilever spring type. The main LG leg is a spring machined of a round aluminum bar. It is attached to the lower boom of the frame No.

  • Page 10: Fuel System

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 2.5 Fuel system The fuel system (Fig. 2) includes two wing fuel tanks 1 (each of 45 l or 11.9 US gal capacity) with filler inlets 2 and fuel lines 9 connecting the tanks to each other and to the engine fuel pump 6 (that is feeding fuel to the engine carburetors 10) via two fuel valves 3 and fuel filter 5.

  • Page 11: Airplane Control Systems

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 NOTE: When both tanks are full, fuel may flow from one tank to the other (e.g. due to the lateral forces during side slipping or when wings are not level on parking or during taxiing), overfill it and spill out through the vent line.
  • Page 12 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 2.6.2 Elevator trim tab control system Elevator trim tab is used for controlling the force on control yokes in pitch. The trim tab control lever is accessible from both pilot seats. Fig. 4 The trim tab control lever 1 (Fig. 4) is placed on the central console. It is retained in place by friction adjusted using the wheel 2.
  • Page 13 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 2.6.3 Rudder and nose wheel control system Rudder and nose landing gear are controlled using pedals. Rudder is connected to the pedals in the cockpit with two cables of 2.7 mm (0.11 in) diameter. The pedals are attached to two shafts (shaft for left pedals 1 and shaft for right pedals 2) hinged to the lower fuselage beams (Fig.
  • Page 14 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 2.6.4 Control system of flaperons (drooping ailerons) The airplane is equipped with flaperons (drooping ailerons), which serve as both ailerons and flaps. The flaperon control system ensures independent function of flaperons as ailerons and flaps using a differential mechanism.
  • Page 15 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 Fig. 7. Flap extension mechanism As flaps (Fig. 7) the flaperons are extended by setting the flap extension lever 1 to the required positions and thus rotating the flap shafts 5 by the respective angles via link 3 and levers 4.
  • Page 16 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 2.6.6 Brake control system The main wheel brakes (Fig. 8) are actuated hydraulically using the brake lever 2 (installed next to the throttle lever 3) controlling the pressure supplied from the master cylinder 1 to the slave cylinders 5 in the wheels.

  • Page 17: Instrument Panel

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 2.7 Instrument panel A-22LS has three variants of flight instruments set and instrument panel arrangement: 1. Basic instrument panel, see fig. Fig. 9 2. Standard instrument panel, see Fig. 10 3. "Glass cockpit" instrument panel, see Fig. 11 Numbers in the pictures denote the following: 1.
  • Page 18 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 Fig. 9...
  • Page 19 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 Fig. 10...

  • Page 20: Full And Static Pressure System

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 Fig. 11 2.8 Full and static pressure system This system supplies the full (dynamic) and static pressure of the outside air to the instruments measuring the flight parameters: airspeed, rate of climb and altitude. The system consists of the full and static pressure probe 1 and full 2 and static 3 pressure lines connecting the probe to the instruments (see Fig.

  • Page 21: Electric System

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 Fig. 12. Full and static pressure system 2.9 Electric system Electric system of A-22LS serves for generation of electric power and supplying it to the onboard electric consumers. When engine is running (its RPM is above 1400), electric power is generated by the engine alternator, converted by a rectifier-regulator (located on the firewall) and is stored in a 14V DC 19Ah battery, located behind the left pilot seat.
  • Page 22 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 Fig. 13. Wiring diagram of A-22LS electric system (main) Fig. 14. Wiring diagram for installation of strobes...
  • Page 23 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 Fig. 15. Wiring diagram for installation of analog engine instruments Fig. 16. Wiring diagram for installation of FLYdat...
  • Page 24 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 Fig. 17. Wiring diagram for installation of Microair 760-P radio Fig. 18. Wiring diagram for installation of the electric servo of elevator trim tab...
  • Page 25 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 Fig. 19. Wiring diagram for installation of gyro horizon Fig. 20. Wiring diagram for installation of DYNON FlightDEK D-180...

  • Page 26: Seats And Harness Belts

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 Fig. 21. Wiring diagram for installation of Becker ATC 4401-1 transponder 2.10 Seats and harness belts The airplane is equipped with adjustable seats with soft cushions. The seats are attached to two transverse beams inside fuselage. The harness belts are of the 4-point type. Two shoulder belts are passed over the shoulders from behind and are joined to the waist belts with adjustable buckles.

  • Page 27: Recovery System

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 2.13 Recovery system A-22LS can be optionally equipped with either BRS Softpack 1350 or MAGNUM Highspeed Softpack parachute recovery system. The system is intended for rescue of pilots in case of emergency situation in flight when emergency landing is not possible (see section 6.5).

  • Page 28: Operating Limitations

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 3 Operating Limitations 3.1 General Section 2 includes operating limitations, instrument markings, and basic tables necessary for safe operation of the airplane, its engine, systems and equipment. 3.2 Airspeed Airspeed limitations and their operational significance are shown in the table below. All speed values are given for the maximum takeoff weight.

  • Page 29: Operating Weights And Loading

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 3.7 Operating weights and loading Maximum takeoff weight, landplane: 600 kg (1320 lb) floatplane: 650 kg (1430 lb) Empty weight: according to actual weighing Maximum baggage weight: 20 kg (44 lb) Permissible CG range: 19 to 37 % of wing MAC (mean aerodynamic chord) The airplane may be flown by 1 or 2 pilots.

  • Page 30: Weight And Balance

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 4 Weight and balance 4.1 General This section contains information about weight and balance requirements for the safe operation of the airplane. It is responsibility of the pilot in command to ensure before every flight that weight and balance of the airplane remains within the specified limits. Failure to do so may cause deterioration in airplane's flight performance and stability characteristics and, as consequence, lead to unsafe operation.
  • Page 31 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 Fig. 23...

  • Page 32: Performance

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 5 Performance 5.1 General This section contains performance data of A-22LS airplane of standard (basic) configuration at maximum takeoff weight in the following environmental conditions: ICAO standard atmosphere (ISA), mean sea level (MSL), no wind, hard and even runway. Those data may vary depending upon the configuration and technical condition of a particular aircraft and actual environmental conditions of its operation.

  • Page 33: Emergency Procedures

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 6 Emergency procedures 6.1 General This section contains recommendations to the pilots in case of emergency in flight. However such situations, caused by airframe or engine malfunction are extremely rare provided that pre-flight inspections and checks are made regularly.

  • Page 34: Restarting Engine In Flight

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 6.4 Restarting engine in flight 1. Throttle – IDLE. 2. Fuel valves – check OPEN. 3. Fuel level – CHECK. 4. Ignition – ON. 5. Master key – turn to START. 6.5 Emergency landing 1. Glide speed – 100 kph (54 kts).

  • Page 35: Recovery From Unintentional Stall And Spin

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 6.6.3 In flight 1. Ignition – OFF. 2. Fuel valves – CLOSE. 3. Yoke – PUSH to descend. 4. Speed – below 222 kph (120 kts). 5. Landing area – SELECT (consider altitude and wind).

  • Page 36: Normal Procedures

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 7 Normal Procedures 7.1 General This section describes normal procedures recommended for safe operation of the A-22LS. 7.2 Preflight check Pilots must inspect the general condition of the airplane during its preflight check. The airplane must have no damage or maladjustments that may be critical for the flight safety.
  • Page 37 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 7.2.4 Right wing 1. Wing and strut surface – CLEAN and INTACT. 2. Wing and strut attachment fittings and bolts – IN PLACE, INTACT and SECURE. 3. Wing fuel tank cap – IN PLACE and SECURE.
  • Page 38 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 7.2.8 Left wing 1. Flaperon control linkage attachment – INTACT and SECURE. 2. Flaperon hinge brackets – INTACT, BOLTS SECURE, HINGES GREASED. 3. Flaperon – CLEAN and INTACT. 4. Flaperon clamp – REMOVED. 5. Fuel tank vent outlet – CLEAN and INTACT.

  • Page 39: Engine Starting

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 7.3 Engine starting 1. Starter key – INSERT, set to ON. 2. Fuel level – CHECK. 3. Fuel valves – CHECK. 4. Throttle – IDLE. 5. Doors – check CLOSED. 6. Carburetor heating (cold engine only) – ON.

  • Page 40: Normal Takeoff

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 7.6 Normal takeoff 1. Hold position – OCCUPY. 2. Rudder pedals – NEUTRAL. 3. Brakes – RELEASE. 4. Throttle – gradually FULL POWER. 5. Yoke – elevator NEUTRAL, ailerons AGAINST CROSSWIND. 6. Rudder pedals – maintain takeoff direction.

  • Page 41: Cruise

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 7.9 Cruise 1. Flight altitude – OCCUPY and monitor, in strong turbulence – at least 100 m (300 ft). 2. Cruise speed – SET, in strong turbulence – min. 100 kph (54 kts), max.183 kph (99 kts).

  • Page 42: Short Field Landing

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 7.12 Short field landing 1. Flaps – EXTEND FULLY. 2. Approach distance – REDUCE by side slipping when clear of obstacles. 3. Approach speed on final – 90 kph (49 kts), +10 kph (+5 kts) in rain or strong turbulence.

  • Page 43: Aircraft Ground Handling And Servicing

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 8 Aircraft Ground Handling and Servicing 8.1 General This section contains recommendations on aircraft ground handling and servicing important for safe and efficient operation of this aircraft. Besides owners/pilots should keep contact with the aircraft manufacturer in order to obtain in time all service bulletins relevant to their aircraft.

  • Page 44: Airplane Washing

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 For tying the airplane down use the wing struts near their attachment points to the wing and propeller shaft. Use suitable clamps to fix the ailerons and elevator when the airplane is tied down outside.
  • Page 45 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 Fig. 24 Wing removal 8.5.2 Stabilizer removal Remove the stabilizer (see fig. 25) as follows: 1. Disconnect the control cable from the trim tab arm. 2. Disconnect the rudder rod from the elevator arm. 3. Undo the nut from the rear attachment bolt 4.
  • Page 46 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 8.5.3 Propeller removal Before dismantling the engine from the aircraft remove the propeller as follows: - remove the locking wire from the studs; - undo nuts and remove the studs; - remove the propeller by pulling gently by its hub.

  • Page 47: Required Placards And Markings

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 9 Required Placards and Markings 9.1 Airspeed indicator markings Scheme of color markings of airspeed indicator is shown on Fig. 26. Explanations are given in the table below: CAS range or value, Marking Significance kph (kts)

  • Page 48: Supplements

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 10 Supplements 10.1 General This section contains information concerning the particular configuration of this airplane (list of installed equipment) along with its actual empty weight and balance data. Any additional manuals for the installed equipment are indicated here.

  • Page 49: List Of Installed Equipment

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 10.6 List of installed equipment All equipment installed or replaced in this airplane must be listed in the table below. Description Installed by Date Signature Remarks...

  • Page 50: Actual Empty Weight And Cg Position Data

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 10.7 Actual empty weight and CG position data This subsection contains information about the actual empty weight and respective CG position of the airplane. After final assembly, major repair/overhaul, replacement and/or additional installation of any equipment the aircraft must be weighed and respective weight...

  • Page 51: Flight Training Supplement

    AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 10.8 Flight Training Supplement Flight training on Aeroprakt-22LS airplane foresees 5 hours of flying in accordance with the normal flight procedures, described in Pilot Operating Handbook (POH). It covers the following: 1. Preflight preparation including determining the takeoff mass and airplane CG position, preflight check and preflight servicing of the airplane.
  • Page 52 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 2. Taxiing is described in the section 7.4. Airfield traffic shall be performed in accordance with the airfield traffic diagram. Before lining up full and free movements of the flight controls must be checked. 3. After lining up the engine power setting shall be increased to full and takeoff shall be performed.
  • Page 53 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 10.8.4 Balked landing Balked landing (go around) situation occurs due to errors made during approach which can not be corrected or in case if an obstacle is suddenly detected on the runway. The balked landing procedure is described in the section 7.12.
  • Page 54 AEROPRAKT-22LS Pilot Operating Handbook A22LS-XXX-POH-01 The bank shall be maintained until touchdown which will occur with one of the main wheels touching the ground before the other. During the landing roll the nose wheel shall be kept lifted as long as possible and the heading shall be maintained using the rudder pedals.

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