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14:00 LT

Robinson R44 Raven I Air Detachment Varna Ltd. LZ-RLH 1940 Fatalities: 0 / Occupants: 3 0 Minor Accident Tsarevo - Bulgaria Approach Private LBWN LBWN

An R44 helicopter impacted the water of the Black Sea at the shore of Tsarevo, Bulgaria.



Immediate reason:

Collision of the helicopter with the water surface during a maneuver by the captain to avoid a sudden obstacle in the course of the approach to landing on an unregulated airfield.

Main reason:

Errors in the helicopter piloting technology in the approach for landing on an unregulated airfield, which led to a drop in the speed of the propeller below the minimum allowable when performing maneuvering by KBC.

Accompanying factors that led to the emergence of aviation

accident:

Attempt to land on a poorly studied airfield.

Sources:

Accident investigation:

Investigating agency: Status: Investigation completed Duration: Download report: Final report

Revision history: