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NTSB Report
January 31, 1990 · Swearingen SA226TC · N56EA
Coeur D'Alene, ID
Overview
Report Status
Probable Cause
Event Type
Accident
Date
January 31, 1990
Injury Outcomes
No injuries (21 uninjured)
Location
Coeur D'Alene, ID
Aircraft
Swearingen SA226TC
Tail Number
N56EA
Operator
Empire Airlines
Injuries
None
Aircraft Damage
Substantial
NTSB Number
SEA90LA037
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.
NTSB Probable Cause
THE LOSS OF THE FLIGHT CREW'S VISUAL PERCEPTION, DUE TO AN UNFORESEEN WHITEOUT CONDITION. A RELATED FACTOR WAS THE SNOWBANK.
Full Narrative
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.
Flight
Event TypeAccident
Event Time19:15 PST
Nearest AirportCoeur D'Alene (0nm N)
Runway5
Runway Length7400 ft
Runway Width140 ft
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftSwearingen SA226TC
Tail NumberN56EA
Aircraft CategoryAir
DamageSubstantial
OperatorEmpire Airlines
Operating RulePart 135
Engines2
Engine TypeTurboprop
Engine DetailsGarrett · TPE-331 · Turboprop · 840
Seats21
People & Injuries
Injury SummaryNo injuries (21 uninjured)
Fatal0
Serious0
Minor0
Uninjured21
Total21
Crew 1Age 34 · First Class
Conditions
ConditionsIMC
LightDark Night
Wind140° @ 5 kt
Visibility2 sm
CeilingNone
Temperature / Dew Point30 C / 30 C
Altimeter29.00 inHg
Weather SourcePILO