50 fatalities

1976-11-23: NAMC YS-11 (SX-BBR) — Olympic Airways — Kozani, Greece

Kozani, GreeceLanding (descent or approach)

On November 23, 1976, a NAMC YS-11 (registration SX-BBR) operated by Olympic Airways was involved in an aviation accident near Kozani, Greece during landing or approach. 50 people were killed. Investigators recorded the probable cause as: Controlled flight into terrain following a premature descent on part of the pilot-in-command. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 6 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 1781228644Data APIEditorial standards

While descending to Kozani Airport in poor weather, a twin-engine aircraft struck a mountain slope 25 km south of the airfield, killing all 50 occupants.

Incident

A twin-engine aircraft, operating a flight from Athens to Larisa, was diverted to Kozani due to the closure of its intended destination. The crew had been informed by air traffic control that Larisa Airport was closed to traffic because of poor weather conditions.

Descent and Impact

As the aircraft descended toward Kozani Airport, it encountered poor weather conditions. At an altitude of 4,265 feet, the airplane struck the slope of a mountain located approximately 25 km south of the airfield. The mountain was shrouded by clouds at the time, and visibility was limited to 20 metres.

Aftermath

The impact caused the aircraft to disintegrate. All 50 occupants on board were killed.

Investigation

The official investigation determined that the probable cause of the accident was controlled flight into terrain following a premature descent on the part of the pilot-in-command.