Aviation Accident Summaries

Aviation Accident Summary SEA89FA036

KETCHIKAN, AK, USA

Aircraft #1

N11250

de Havilland DHC-3

Analysis

AFTER DEPARTING THE FLOATPLANE BASE ON A COMPANY VFR FLIGHT PLAN, THE SCHEDULED COMMUTER FLIGHT PROCEEDED NORTHWEST ALONG A SALT WATER STRAIT AT A LOW ALTITUDE ABOVE WATER. TWO MILES NW OF THE ARPT THE ACFT ENTERED A SNOW SQUALL AND THE PILOT ATTEMPTED A STEEP TURN TO REVERSE COURSE. DURING THE TURN THE AIRCRAFT IMPACTED AND SANK IN 167 FT DEEP WATER. SEARCH AND RESCUE EFFORTS WERE SUSPENDED AFTER 4 DAYS.

Probable Cause and Findings

THE PILOT'S INADVERTANT FLIGHT INTO IFR CONDITIONS AND THE STALL WHICH OCCURRED DURING THE TURN TO REVERSE COURSE. CONTRIBUTING TO THE ACCIDENT WERE THE SNOW CONDITIONS ENCOUNTERED.

 

Source: NTSB Aviation Accident Database

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