Narrative:
The YS-11 operated on flight OA830 from Athens to Kozani via Larissa.
The flight proceeded directly to Kozani because of bad weather at Larissa. Last radio contact was at 09:45, 15nm S of Kozani. It appeared that the aircraft had struck a mountain at 4265 feet. The mountains in the area were covered by cloud and visibility was 15-20 m.
accident date: 23-11-1976
type: NAMC YS-11A-500
registration: SX-BBR
| Status: | |
| Date: | Tuesday 23 November 1976 |
| Time: | 09:45 |
| Type: |  NAMC YS-11A-500 |
| Operator: | Olympic Airways |
| Registration: | SX-BBR |
| MSN: | 2156 |
| First flight: | 1971 |
| Crew: | Fatalities: 4 / Occupants: 4 |
| Passengers: | Fatalities: 46 / Occupants: 46 |
| Total: | Fatalities: 50 / Occupants: 50 |
| Aircraft damage: | Damaged beyond repair |
| Location: | 19 km (11.9 mls) SE of Kozani-Philippos Airport (KZI) ( Greece)
|
| Phase: | Approach (APR) |
| Nature: | Domestic Scheduled Passenger |
| Departure airport: | Athens-Ellinikon International Airport (ATH/LGAT), Greece |
| Lárisa Airport (LRA/LGLR), Greece | |
| Flightnumber: | 830 |
The YS-11 operated on flight OA830 from Athens to Kozani via Larissa.
The flight proceeded directly to Kozani because of bad weather at Larissa. Last radio contact was at 09:45, 15nm S of Kozani. It appeared that the aircraft had struck a mountain at 4265 feet. The mountains in the area were covered by cloud and visibility was 15-20 m.
Classification:
Controlled Flight Into Terrain (CFIT) - Mountain
Photos
accident date: 23-11-1976
type: NAMC YS-11A-500
registration: SX-BBR
Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Athens-Ellinikon International Airport to Lárisa Airport as the crow flies is 222 km (139 miles).
Accident location: Approximate; accuracy within a few kilometers.
Distance from Athens-Ellinikon International Airport to Lárisa Airport as the crow flies is 222 km (139 miles).
Accident location: Approximate; accuracy within a few kilometers.
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
languages: 
Greece
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NAMC YS-11
Greece- 2nd worst accident (at the time)
- 5th worst accident (currently)
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