On September 28, 1992, Pakistan International Airlines Flight 268, an Airbus A300, was approaching Kathmandu, Nepal, at night. During descent in mountainous terrain, the aircraft dropped below the minimum safe altitude. The crew believed they were higher than they actually were. Moments later, the plane struck a hillside near the Kathmandu Valley. All 167 people on board were killed. The investigation revealed controlled flight into terrain, caused by altitude misjudgment, poor situational aware