Alatross L-39


Depending on the particular set-up in the airplane you’re flying, you either strap in to the L-39 using a conventional parachute harness and lap-belt/shoulder-harness configuration; an integral “all-in-one” harness/parachute; or the original, slightly funky Russian system, which includes leg straps and a four-way connector plate over your sternum, plus a huge all-in-one comm/G-suit/oxygen connector near your left thigh. Most operators have converted to the Western system for ease of maintenance, and the majority of U.S. registered aircraft have had their ejection seats pinned and deactivated. This dictates a forced landing or a manual bailout in the event of a serious problem. There is very little apparent squeamishness in the L-39 community about a forced landing – no maintenance-related engine failures have been recorded in civilian use, and the airplane is completely capable of a “flameout” touchdown at around 95 knots, slow enough to greatly minimize the possibility of such an event turning out badly. More and more L-39 owners are opting for live ejection seats, but they are still a relative rarity.


Maximum level speed 700 km/h
Maximum speed @ 6000 m 780 km/h
Vne @ sea level 910 km/h
Stall speed (with flaps) 168 km/h
Maximum rate of climb 22 m/s
Service ceiling 10 600 m
Maximum range (10 % reserve) 1000 km
Maximum range (with drop tanks) 1600 km
Maximum endurance (internal fuel) 2,9 hr
Take off run (sea level) 540 m
Landing run (sea level) 590 m
Maximum load factor + 8 / – 4


Basic empty weight 3450 kg
Clean A/C takeoff weight 4570 kg
Basic fuel capacity 980 kg
Total fuel (incl. 2 x 350 l drop tanks) 1524 kg
Fuel consumption 560 l/h


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