Aero L-39 Albatros variant

Aero L-39 Albatros L-39ZA

The armed training and light attack version developed from the L-39ZO, with sturdier landing gear, a 1,290 kg external load and a 23 mm GSh-23L gun in a ventral pod. First flight 29 September 1976; 208 delivered.

Aero L-39 Albatros sheet

Image pending
September 29, 1976
First flight
208
Units built

History

The L-39ZA is the most capable version of the first-generation Albatros and the one that finally crosses the line between armed trainer and light attack aircraft. It grew out of the L-39ZO along the same lines: sturdier landing gear, a higher payload — up to 1,290 kg in total — and, above all, a twin-barrelled 23 mm Gryazev-Shipunov GSh-23L cannon housed in a conformal pod beneath the cockpit, fed from a 150-round magazine built into the airframe.

The other significant change is one of mission: the outer pylons were wired for K-13 or R-60 air-to-air missiles, turning the aircraft into an improvised interceptor able to defend itself or fly air-policing duties for modest air arms. Two prototypes were built, the first flying on 29 September 1976, and 208 production aircraft were delivered.

That mix of low cost, simple maintenance and genuine weapons capability explains the subtype's long operational career, seen in very different conflicts and still in service decades after delivery. From it in turn came the Slovak L-39ZAM and the Thai L-39ZA/ART, two upgrades that modernised the avionics without touching the basic formula.