Aviation Accident Summaries

Aviation Accident Summary ANC90LA045

TRADING BAY, AK, USA

Aircraft #1

N37903

AEROSPATIALE SA-315B

Analysis

THE PLT RPRTD THAT WHEN HE TOOK OFF, THERE WAS 1-1/2 TO 2 MI VIS WITH LIGHT SNOW. ABOUT 5 MIN LATER, HE ENCOUNTERED WHITEOUT CONDITIONS & INITIATED A LANDING. HOWEVER, THE HELICOPTER TOUCHDOWN HARD & THE MAIN ROTOR BLADES CONTACTED THE TAIL BOOM, WHICH RESULTED IN EXTENSIVE DAMAGE.

Probable Cause and Findings

THE PILOT'S INADVERTENT FLIGHT INTO INSTRUMENT METEOROLOGICAL CONDITIONS (IMC). FACTORS RELATED TO THE ACCIDENT WERE: SNOW COVERED TERRAIN, ADVERSE WEATHER CONDITIONS, AND SPATIAL DISORIENTATION OF THE PILOT, DUE TO LACK OF VISUAL CURE DURING THE LANDING.

 

Source: NTSB Aviation Accident Database

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