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Last updated: 23 October 2021
Date:Saturday 8 December 1956
Type:Silhouette image of generic CAT model; specific model in this crash may look slightly different
Boeing-Canada PB2B-1 Canso A (PBY-5A)
Operator:Agencia Interamericana de Aviación - AIDA
Registration: HK-133
MSN: 21998
First flight: 1943
Crew:Fatalities: 4 / Occupants: 5
Passengers:Fatalities: 10 / Occupants: 11
Total:Fatalities: 14 / Occupants: 16
Aircraft damage: Damaged beyond repair
Location:25 km (15.6 mls) NW of Bogotá (   Colombia)
Phase: En route (ENR)
Nature:Domestic Scheduled Passenger
Departure airport:Bogotá-Techo Airport, Colombia
Destination airport:Medellín-Enrique Olaya Herrera Airport (EOH/SKMD), Colombia
No. 2 engine failed after takeoff. The aircraft crashed against Quetame Hill at an elevation of 2790 m.

Probable Cause:

PROBABLE CAUSE: "Complete failure of the starboard engine due to the breakdown of the lubricating system. Contributory causes included: (1) Recklessness of the pilot in taking off from a closed airport while aware of the poor weather conditions, prevailing throughout the Sabana - a circumstance which prevented returning to the airport of departure when complete breakdown of the starboard engine occurred (2) The 1,506 kilograms overload of the aircraft above the maximum gross operating weight for Bogotá according to the performance curves of the aircraft; (3) The adverse weather conditions prevailing from the moment of takeoff until the moment of this accident; (4) An error of judgment on the part of the Operations and Maintenance Sections of the Company in failing to provide for a test flight of the aircraft after the turbine section bad been changed and in finding aircraft HK-133 airworthy for the purpose of a scheduled flight with passengers under such conditions; (5) The lack of competent air traffic and weather authorities at Santa Cecilia airport in a position to check civil aviation regulations and to prohibit takeoff from a closed airport; (6) Faulty internal organization within AIDA which should have defined exactly the duties of the Maintenance, Superintendent, of the Maintenance Chief and of the Dispatcher; (7) The failure of the Company to have available, a spare engine which would have avoided carrying out such delicate repair work in a hasty manner."


photo of Boeing-Canada-PB2B-1-Canso-A-HK-133
accident date: 08-12-1956
type: Boeing-Canada PB2B-1 Canso A (PBY-5A)
registration: HK-133

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 Bogotá-Techo Airport to Medellín-Enrique Olaya Herrera Airport as the crow flies is 237 km (148 miles).

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