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AEROPRAKT-22LS Pilot Operating Handbook 

A22LS-POH-04 

2  General information 

2.1  General description of the 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. 

AEROPRAKT-22LS is approved for flying in VFR, simple meteorological conditions. 

AEROPRAKT-22LS is certified in the LSA (Light Sport Airplane) category. 

2.2  Airplane specifications 

Specification 

US units 

Metric 

Wing span 

31 ft. 4 in 

9.55 m 

Wing area 

136 sq. ft.  12.62 m² 

Length 

20 ft. 5 in 

6.23 m 

Height 

8 ft. 2 in 

2.47 m 

Wheel base 

4 ft. 2 in 

1.26 m 

Wheel track 

5 ft. 7 in 

1.71 m 

Gross weight (Maximum Take-Off Weight, MTOW) 

1320 lb. 

600 kg 

Top speed at sea level, ISA conditions (with wheels landing gear) 

114 mph  183 km/h 

Cruising speed at 1000 ft., ISA conditions, and engine RPM: 

 

 

4000 

68 mph  110 km/h 

4600 

92 mph  148 km/h 

4800 

97 mph  156 km/h 

5000 

100 mph  161 km/h 

5200 

104 mph  167 km/h 

Range with full tanks (with 2x45 l tanks, 30 min. reserve) at   
1000 ft., ISA conditions, 4000 RPM (with wheels landing gear) 

609 sm 

981 km 

Best angle of climb speed (V

X

), IAS 

56 mph  90 km/h 

Best rate of climb speed (V

Y

), IAS 

62 mph  100 km/h 

Stalling speed at MTOW, flaps up (V

S

), IAS 

48 mph  77 km/h 

Stalling speed at MTOW, full flaps (V

S0

), IAS 

37 mph  60 km/h 

Maximum engine power at 5800 RPM (5 minutes limit) 

100 hp  73.5 kW 

Total fuel capacity 

30.1 US gal 

114 l 

Usable fuel 

29.9 US gal 

113 l 

Approved fuel types: unleaded Mogas min. RON 95 or avgas 100LL 

Summary of Contents for A22LS-POH-04

Page 1: ...book A22LS POH 04 Airplane Model AEROPRAKT 22LS A 22LS Airplane Registration Number N270L Airplane Serial Number 270 Date of issue 03 01 16 Approved by Yuriy Yakovlyev Position Chief designer Date of...

Page 2: ...he present manual except actual weighing data must be recorded in the following table according to information from the Manufacturer New or amended text in the revised pages will be indicated by a bla...

Page 3: ...es 10 4 1 General 10 4 2 Emergency checklists 10 Engine failure 10 Loss of engine power in flight 10 Restarting engine in flight 10 Emergency landing without engine power 11 Precautionary landing with...

Page 4: ...and static pressure system 35 8 10 Electrical system 35 8 11 Seats and harness belts 40 8 12 Cockpit doors 40 8 13 Baggage container 40 9 Aircraft Ground Handling and Servicing 41 9 1 Introduction 41...

Page 5: ...r Airframe Emergency Parachutes F2339 06 Standard Practice for Design and Manufacture of Reciprocating Spark Ignition Engines for Light Sport Aircraft F2506 13 Standard Specification for Design and Te...

Page 6: ...el base 4 ft 2 in 1 26 m Wheel track 5 ft 7 in 1 71 m Gross weight Maximum Take Off Weight MTOW 1320 lb 600 kg Top speed at sea level ISA conditions with wheels landing gear 114 mph 183 km h Cruising...

Page 7: ...takeoff weight with full flaps VS0 Green arc start 77 48 42 Stalling speed at maximum takeoff weight with flaps up VS White arc 60 148 37 92 32 80 Flap extended speed range VS0 to VFE Green arc 77 168...

Page 8: ...km h 142 mph 124 kts IAS Any aerobatics including intentional spinning is prohibited 3 5 Fuel capacity and type standard optional Capacity of tanks 2 45 l 2 11 9 US gal 2 57 l 2 15 05 US gal Total fu...

Page 9: ...bar 42 psi Fuel unleaded Mogas min RON 95 European standard EN 228 Super EN 228 Super plus or avgas 100LL Oil any automotive oil of API classification SG or higher Ambient temperature max in flight m...

Page 10: ...below 300m 1000 ft 1 Direction NO TURN BACK 2 Airspeed 100 KPH 54 KTS best glide 3 Throttle IDLE 4 Lane A and B OFF 5 Fuel pumps 1 and 2 OFF 6 Battery switch OFF 7 Fuel valves CLOSE 8 Landing STRAIGHT...

Page 11: ...for landing use recovery system 6 Emergency call TRANSMIT 121 5 MHz or nearest airfield frequency 7 Flaps EXTEND FULLY on final 8 Landing in the SELECTED place avoid colliding with obstacles 9 Touchd...

Page 12: ...of smoke Failures of the engine management system EMS warning lights Lane A Lane B Action OFF Flashing Continue the flight but not longer than 10 hours Flashing OFF OFF ON Perform precautionary landin...

Page 13: ...2 1 Entire airplane 1 Covers and clamps REMOVED 2 Airplane CLEAN of rainwater snow frost ice and dirt 3 Rigging CHECK visually 4 External damage NONE 5 2 2 Power plant 1 Propeller and spinner CLEAN I...

Page 14: ...ally 5 Drain valve CLOSED NO FUEL LEAKS 6 Fuel residue DRAIN and CHECK 5 2 6 Empennage 1 Empennage surface CLEAN and INTACT 2 Clamps stops REMOVED 3 Horizontal stabilizer attachment fittings and bolts...

Page 15: ...s in the seats 4 Doors CLOSED and LOCKED 5 Flight planning including weight and CG check PERFORMED 6 Onboard documentation maps required for the flight AVAILABLE 7 Baggage container BAGGAGE SECURED CO...

Page 16: ...2500 2600 RPM d Battery charge check ON e Throttle IDLE 19 Engine instruments CHECK READINGS a oil temperature MIN 50 C b oil pressure 2 0 5 0 bar over 3500 rpm MIN 0 8 bar below 3500 rpm MAX 7 0 bar...

Page 17: ...in takeoff direction 7 Yoke PULL gently to lift the nose wheel at 40 km h 25 mph 22 kts 8 Liftoff at 80 km h 9 Accelerate to at least 100 km h 62 mph 54 kts at 1 2 m 3 7 ft and start to climb 5 7 Shor...

Page 18: ...REDUCE below 148 km h 92 mph 80 kts minimum 100 km h 62 mph 54 kts 2 Flaps EXTEND position 1 Wind stronger 8 m s 16 kts FLAPS UP 3 Elevator trim tab ADJUST as required 4 Approach speed on final 100 km...

Page 19: ...vel off at approximately 0 3 m 1 ft Gradually reduce bank and side drift while flaring and leveling off 7 Throttle IDLE 8 Touchdown at minimum speed at the beginning of the runway Avoid touching groun...

Page 20: ...MSL maximum takeoff weight are specified below Best angle of climb speed VX 90 km h 56 mph 49 kts Best rate of climb speed VY 100 km h 62 mph 54 kts Maximum rate of climb at VX 3 3 m s 650 fpm Maximu...

Page 21: ...racteristics and as consequence lead to unsafe operation 7 1 Weight and Balance Chart This subsection contains weighing and CG location data of the aircraft in configuration as manufactured Any perman...

Page 22: ...994 4 Full fuel 114 l 82 1 181 2 0 79 164 2 14 251 8 Total 599 9 1 322 6 966 9 83 919 3 XCG Total moment Total weight 1 612 63 5 m 7 2 Installed equipment list This subsection contains a table with t...

Page 23: ...e LE skin and spar comprise the torsion box Flaperon covering is made of synthetic thermoshrinkable fabric The fuselage is an all metal structure The mid section is made of the 2024T3 aluminum alloy b...

Page 24: ...m 4 ft 2 in min turn radius 2 m 7 ft Main wheels size 5 00 5 or 6 00 6 pressure 1 6 bar 22 7 psi Nose wheel size 5 00 5 or 6 00 6 brakeless wheel steering angle 30 pressure 1 6 bar 22 7 psi 8 4 Engin...

Page 25: ...ps have capacity 120 l h Due to different flow resistance of the return lines from the T connector 26 Fig 2 to the return outlets inside the right and left tanks with both fuel valves 7 and 8 Fig 2 op...

Page 26: ...ilter 20 The fuel tanks have vent tubes 31 and 32 installed in the fuel tank inlet caps Fuel can be drained from the tanks on the ground via the drain valve 29 handle of which is accessible outside fu...

Page 27: ...s placed on the central console It is retained in place by friction adjusted using the wheel 2 The trim tab control lever is connected with a cable 3 to the trim tab control arm 4 The cable is running...

Page 28: ...shaft has two arms One of the arms is connected with a cable to the rudder control arm 3 the other with a rod to the nose landing gear control arm 4 Rudder control cables are running from the pedals t...

Page 29: ...o the yoke 1 is passed via the lever 2 to the pushrod 3 and then to the central control shaft 5 The yokes are interconnected with the pushrod 4 Then from the bellcrank 6 attached to the shaft it is pa...

Page 30: ...es of the flaperons as flaps 1st position 9 30 1 2nd position 18 50 1 8 7 5 Engine controls Rotax 912iS engine is equipped with an electronic control unit ECU for fuel injection into intake manifolds...

Page 31: ...AEROPRAKT 22LS Pilot Operating Handbook A22LS POH 04 31 Fig 9 Engine controls...

Page 32: ...The master cylinder 1 is connected with a hose 8 to the extension tank 7 installed on the firewall in the engine compartment When the brake lever is pulled the brake pads squeeze the brake disc creat...

Page 33: ...AEROPRAKT 22LS Pilot Operating Handbook A22LS POH 04 33 8 8 Instrument panel This airplane has the following flight instruments set and instrument panel arrangement Fig 11...

Page 34: ...ntrol knob and marking 6 Left tank fuel level indicator and marking FUEL R 7 Right tank fuel level indicator and marking FUEL L 8 Landing light switch and marking 9 Navigation lights switch and markin...

Page 35: ...by water ice dirt etc Fig 12 Full and static pressure system 8 10Electrical system Electrical system of A 22LS serves for generation of electrical power and supplying it to the onboard electrical cons...

Page 36: ...AEROPRAKT 22LS Pilot Operating Handbook A22LS POH 04 36 Fig 13 Wiring diagram of A 22LS electrical system main...

Page 37: ...AEROPRAKT 22LS Pilot Operating Handbook A22LS POH 04 37 Fig 14 Wiring diagram for installation of Dynon Sky View system sheet 1...

Page 38: ...AEROPRAKT 22LS Pilot Operating Handbook A22LS POH 04 38 Fig 15 Wiring diagram for installation of Dynon Sky View system sheet 2...

Page 39: ...AEROPRAKT 22LS Pilot Operating Handbook A22LS POH 04 39 Fig 16 Wiring diagram for installation of SV COM radio Fig 17 Wiring diagram for installation of PTT buttons...

Page 40: ...do not restrict pilot motions necessary to control the airplane and ensure pilots safety in flight and during airplane motion on the ground 8 12Cockpit doors The cockpit doors consist of organic glass...

Page 41: ...oad in the cockpit Airplane parking and tie down shall be done with its nose into the wind preferably or at least across the wind but never tail to the wind to avoid damaging the control surfaces For...

Page 42: ...ure during the preflight check that the airplane is clean and free of corrosion Airplane washing should be done using cloth or soft sponge abundantly soaked in water with addition of mild washing agen...

Page 43: ...spherical bearings in the forward and rear wing attachment fittings Fig 19 Wing removal 9 6 2 Stabilizer removal Remove the stabilizer see Fig 20 as follows 1 Disconnect the control cable from the tr...

Page 44: ...in reversed order Locking of the nuts on the studs should be done in such a way that the wire prevents loosening of the nuts Disassembled propeller should be carried in a soft package 9 6 4 Engine rem...

Page 45: ...d with the manuals for that kind of equipment or special instruments Airplane owner pilot must follow the instructions of those manuals and respective subsections of this manual to ensure safe and eff...

Page 46: ...t All equipment installed or replaced in this airplane must be listed in the table below The equipment affecting weight and balance of the airplane must be also listed in the table of the section 7 2...

Page 47: ...ion 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...

Page 48: ...he airplane controllability and flight characteristics a flight its elements are described in the POH shall be performed that includes the following a Level flight at various airspeeds and engine powe...

Page 49: ...turn It is recommended to keep the airspeed in the range of 90 100 kph 49 54 kts 10 The required descend angle on final shall be set by adjusting the engine RPM When engine RPM is increased a slight...

Page 50: ...ights 1 Number of landings 1 10 8 7 Short field take off and landing with overflying obstacles Short field takeoff and landing procedures are described in the sections 5 7 and 5 12 To fly over the obs...

Page 51: ...ailure training 30 minutes Number of flights 1 Number of landings 4 10 9 Airplane Owner Feedback to Manufacturer To ensure continued operational safety of the airplane the airplane owner s must keep i...

Page 52: ...des industrial codes or manufacturing codes if furnishing enough information must be used if constant quality is guaranteed The cable connections should be protected by appropriate covers The ultimate...

Page 53: ...km h IAS Observe limitations specified in the section 0 WARNING While approaching the ground with the towing rope beware of the obstacles that may catch the rope Release the rope over the landing stri...

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