What happened
On the morning of November 23, 1976, Olympic Airways operated a domestic scheduled passenger service connecting Athens to Kozani via Larisa. The aircraft assigned to this route was a NAMC YS-11 turboprop airliner, identified by the Greek registration SX-BBR. During the flight phase approaching its destination or intermediate stop, the aircraft deviated from its intended path and impacted a mountainous terrain near the town of Servia in Greece. The collision occurred at an altitude of approximately 4,625 feet (1,410 meters). The impact resulted in the immediate destruction of the aircraft.
Investigation
The source material does not provide specific details regarding the investigative procedures, findings, or causal conclusions drawn by aviation authorities following the crash. Consequently, no information is available to detail the official investigation's scope or results.
Findings
Based on the available records, there are no documented contributing factors or official conclusions regarding the cause of the accident. The primary factual outcome recorded is the total loss of the aircraft and the fatalities sustained by everyone present.