Bilbao – Madrid

On December 4, 1953 at 05:00 PM, Bilbao – Madrid experienced a crash involving Bristol 170 Freighter, operated by Aviaco - Aviacion y Comercio, with the event recorded near Somosierra Madrid.

The flight was categorized as scheduled revenue flight and the reported phase was flight at a mountains crash site.

33 people were known to be on board, 23 fatalities were recorded, 10 survivors were identified or estimated. This corresponds to an estimated fatality rate of 69.7%.

Crew on board: 5, crew fatalities: 1, passengers on board: 28, passenger fatalities: 22, other fatalities: 0.

The listed crash cause is weather. While descending to Madrid-Barajas Airport inbound from Bilbao, the crew encountered poor weather conditions with clouds, rains showers and turbulences. Twice, the airplane suffered downdrafts and the second time, it lost 800 meters in few seconds and eventually hit the slope of the peak Lobo-Cebollera located east of Somosierra. A crew member was able to find help and rescuers arrived quite quickly on site. Ten people, including 4 crew members, were injured while 23 other occupants were killed.

Aircraft reference details include registration EC-AEG, MSN 12797, year of manufacture 1946.

Geospatial coordinates for this crash are approximately 41.1332°, -3.5815°.