This is a light training jet aircraft and the successor of an L-29 DELFÍN manufactured by AERO Vodochody in the Czech Republic. It is designed for basic and advanced training of pilots. Since 1968, there have been developed and produced several modified and upgraded versions of the aircraft, that are identified as L-39C, L-39V, L-39ZA, L-39MS, and L-39ZO.

In total, more than 2,000 pieces were manufactured at a rate of 200 a year. These aircraft were exported to 16 countries around the world. The aircraft can carry bombs, and can be equipped with rockets or guided air-to-air missiles.

Basic Tactical-technical Data

  • Maximum cruise speed in flight level of 11,000 metres: 850 km per hour
  • Maximum cruise speed in flight level of 5,000 metres: 755 km per hour
  • Maximum cruise speed in low level flight: 720 km per hour
  • Maximum operation range without additional fuel tanks: 1,000 km
  • Maximum operation range with additional fuel tanks: 1,750 km
  • Flight ceiling: 11,500 metres
  • Climbing rate (with weapons): 22 metres per second
  • Endurance of flight with additional fuel tanks: 3 hours 50 minutes
  • Endurance of flight without additional fuel tanks: 2 hours 30 minutes
  • Jet engine: ZMBD Progress (Ivčenko) AI-25TL
  • Engine thrust: 16.87 kN
  • Maximum take-off weight: 4,700 kg
  • Optimal take-off weight: 4,525 kg
  • Weight of empty aircraft: 3,540 kg
  • Wingspan including fuel tanks: 9.46 metres
  • Capacity of additional fuel tanks: 2 x 420 litres
  • Length: 12.13 metres
  • Height: 4.77 metres
  • Maximum permissible overload: -4 až +8g

Picture Attachment