AO-1994-013 Fairchild SA 227-AC Metroliner ZK-NSW, rapid de-pressurisation following the failure of cockpit side window, Palmerston North, 30 May 1994

On the morning of 30 May 1994 a Fairchild Metroliner, ZK-NSW, while cruising at 17,000 feet suffered a rapid depressurisation following the failure of the First Officer's cockpit side acrylic window. ZK-NSW subsequently diverted to Palmerston North Aerodrome and landed safely. The safety issues discussed are the adequacy of the inspection procedures for the detection of cracks in the acrylic window panels.