Military Trainer
Flight Crew Private
Flight Crew Last 90 Days 22; Flight Crew Total 760; Flight Crew Type 18
Aircraft Equipment Problem Critical; Ground Event / Encounter Other / Unknown
Aircraft Aircraft Damaged
Aircraft
During taxi to parking; had the L (Left) main gear collapse striking wing tip and outboard aileron bracket. Wing was lifted and pneumatic air system was able to lock gear and plane returned to hangar by tug. The Yak uses pneumatic system for gear retraction; flaps and brakes. After recovering airplane off taxiway; gear locked in the down position without problem with the opening of the air tank valve.
GA pilot reported during taxi to parking landing gear collapsed damaging wing and outboard aileron bracket.