Aviation Accident Summaries

Aviation Accident Summary NYC92FA044

DE RUYTER, NY, USA

Aircraft #1

N750H

MBB BO-105CBS

Analysis

THE MEDIVAC HELICOPTER WAS CRUISING AT 2700 FEET (700 FT AGL) WHEN IT SUDDENLY ENTERED A RIGHT TURN OF 95 DEG IN 15 SEC WHILE MAINTAINING ALTITUDE. THIS WAS FOLLOWED BY A DESCENDING LEFT TURN OF 60 DEG IN LESS THAN 5 SECONDS. THE HELICOPTER IMPACTED IN A SKIDS LEVEL, NOSE DOWN PITCH ATTITUDE. THE ACCIDENT OCCURRED AT NIGHT OVER AN UNLIGHTED AREA WITH OVERCAST CLOUD CONDITIONS. INTERVIEWS AND EXAMINATION OF COMPANY CORRESPONDENCE DISCLOSED THE PILOT HAD A DOCUMENTED PROBLEM WITH NIGHT FLYING AND NAVIGATION.

Probable Cause and Findings

AN INFLIGHT COLLISION WITH TERRAIN AFTER THE PILOT EXPERIENCED SPATIAL DISORIENTATION. FACTORS RELATED TO THE ACCIDENT WERE THE NIGHT CONDITIONS, AND THE LACK OF VISUAL CUES.

 

Source: NTSB Aviation Accident Database

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