Aviation Accident Summaries

Aviation Accident Summary SEA90LA037

COEUR D'ALENE, ID, USA

Aircraft #1

N56EA

SWEARINGEN SA226TC

Analysis

THE PILOT REPORTED THAT AFTER REACHING THE AIRPORT, IMC PREVAILED AND LIGHT SNOW WAS FALLING. AT THE DECISION HEIGHT, THE APPROACH LIGHTS AND THE RUNWAY LIGHTS WERE IN SIGHT. THE RUNWAY WAS COVERED WITH SNOW. DURING THE FLARE TO LAND, THE PILOT LOST DEPTH PERCEPTION AND RUNWAY ALIGNMENT FROM BLOWING SNOW. THE AIRPLANE TOUCHED DOWN AND THE PILOT BELIEVEDTHE PLANE WAS SLIGHTLY LEFT OF THE CENTERLINE. HE CORRECTED WITH RIGHT RUDDER; HOWEVER, THE AIRPLANE CONTINUED TO TRAVEL LEFT. SUBSEQUENTLY, IT WENT OFF THE RUNWAY AND CAME TO REST IN A SNOWBANK WITH DAMAGE.

Probable Cause and Findings

THE LOSS OF THE FLIGHT CREW'S VISUAL PERCEPTION, DUE TO AN UNFORESEEN WHITEOUT CONDITION. A RELATED FACTOR WAS THE SNOWBANK.

 

Source: NTSB Aviation Accident Database

Get all the details on your iPhone or iPad with:

Aviation Accidents App

In-Depth Access to Aviation Accident Reports