Loss of control Accident CASA C-212 Aviocar 200 FAU-531,
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ASN Wikibase Occurrence # 321435
 

Date:Friday 9 October 2009
Time:11:00
Type:Silhouette image of generic C212 model; specific model in this crash may look slightly different    
CASA C-212 Aviocar 200
Owner/operator:United Nations - UN
Registration: FAU-531
MSN: 187
Year of manufacture:1981
Total airframe hrs:10780 hours
Fatalities:Fatalities: 11 / Occupants: 11
Aircraft damage: Destroyed, written off
Category:Accident
Location:20 km W of Fonds-Verrettes -   Haiti
Phase: En route
Nature:Military
Departure airport:Port-au-Prince Airport (PAP/MTPP)
Destination airport:Port-au-Prince Airport (PAP/MTPP)
Investigating agency: FAU-DSV
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The CASA C-212 Aviocar 200 departed Port-au-Prince Airport, Haiti, at 09:32 hours. The border patrol mission along the Haiti/Dominican Republic border was carried out for the United Nations Stabilization Mission in Haiti (MINUSTAH).
The procedure was to operate the aircraft in VMC conditions at all times, with the tailgate open and the ramp at aircraft floor level, maintaining a speed between 105 and 120 kt. and a recommended altitude of 1500 ft. The flight made position reports about every 20 minutes. At 10:49, the aircraft was close to Port-au-Prince. This was the last communication with the flight.
The aircraft then continued to fly over the area and at 10:56 hours headed towards a valley. Four minutes later the aircraft impacted the ground at an altitude of 3820 ft.

An investigation revealed that the aircraft departed from the flight plan, likely at the request of the mission planners. The flight then entered mountainous terrain with a deep and boxed valley. The flight into the valley was beyond the capabilities of the flight crew due to their lack of mountain flying experience. The aircraft was unable to climb above the terrain and was forced to make a turn in the valley. At a 21° pitch the aircraft lost lift and stalled. It struck the ground an attitude of about 70° nose down and about 60° bank to the left.

It was understood that there was a slight appreciation of the situation, operational judgement, an inadequate decision making process, carelessness or disregard of the area to be operated, resulting in an underestimation of the risks and finally in a wrong operational decision.
Loss of situational awareness that resulted in a miscalculation of height above ground and distance to the mountain in front of him, in order to avoid the operation safely, perhaps due to little experience of flying in the mountains.

Accident investigation:
cover
  
Investigating agency: FAU-DSV
Report number: final report
Status: Investigation completed
Duration: 10 years 1 month
Download report: Final report

Sources:

Fuerza Aérea Uruguaya

Location

Images:


photo (c) Eduardo Baratti; Buenos Aires-Jorge Newbery Airport, BA (AEP/SABE); February 2000

Revision history:

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