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Two-seat training aircraft L-39C

The L-39 two-seat training aircraft is designed for initial and main flight training.

L-39 aircraft power plant includes two-contour two-shaft turbo jet engine АI-25ТL.

Main performances

Modification

L-39C

Wingspan, m

9.44

Aircraft length, m

12.13

Aircraft height, m

4.47

Wing area, m2

18.80

Weight, kg

 

Empty aircraft

3395

Normal takeoff

4337

Maximum takeoff

4600

Fuel, kg

 

Internal fuel

980

Suspended fuel tanks

544 (2 х 350 L)

Type of engine

1 TRD ZMDB Progress АI-25ТL

Unaugmented thrust, kN 

1 х 16.87

Max velocity, km/h

757 (М=0.8)

Cruise range, km/h

700

Practical range, km:

 

With two suspended fuel tanks

1750

Without suspended fuel tanks

1000

Max rate of climb, m/min

1320

Practical ceiling, m

11500

Max operation overload

12

Crew, persons

2

Combat load - 250 kg on 2 external hanger units: 2хUB-16 (32х57-mm NAR) or 2х100 kg OFAB. The ASP-ZNMU-39aviation sighting device is installed in front cabin. It is designed for sighting using the ground destruction means and photofiring by air and ground targets.

Flight and navigation equipment includes: combines velocity and number M indicator, VD-20 altimeter, AGD-1, GMK-1AE gyromagnetic compass, combined variometer with turn and slip indicator, radio compass and radio altimeter indicators, navigation and flight device NPP and clock type AChS -1.

Radio electronic equipment provides execution of flights both at day time and night time under simple and severe meteo conditions. It is divided on radio communication and radio navigation equipment and includes:

    • Satellite navigation system (GPS);
    • Tool-associated landing system VOR/ILS/DME;
    • UHF, VHF, HF-range radio communication stations with working frequences used in the country of the customer.