Summary
In the traffic circuit at Rottnest Island the landing gear was lowered but cockpit indicators showed the
starboard undercarriage to be unlocked. The aircraft returned to Perth where an aerial inspection from
another aircraft showed that, when cycling the landing gear, the port and nose undercarriages retracted
and extended but the starboard undercarriage remained stationary almost fully extended but not locked
down. Operation of the emergency, manual landing gear extension system was ineffective in locking down
the starboard undercarriage. The aircraft was landed at Perth Airport with 15 of flap extended. The
aircraft was gently braked and engines closed down. As the aircraft stopped,the starboard undercarriage
collapsed and the aircraft subsided on to the starboard wing tip, flaps and one blade of the starboard
propeller.
