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NTSB Report
January 28, 1992 · Piper PA-31-T3 · N314SC
Anchorage, AK
Overview
Report Status
Probable Cause
Event Type
Incident
Date
January 28, 1992
Injury Outcomes
No injuries (7 uninjured)
Location
Anchorage, AK
Aircraft
Piper PA-31-T3
Tail Number
N314SC
Operator
South Central Air
Injuries
None
Aircraft Damage
Minor
NTSB Number
ANC92IA030
THE PILOT LANDED ON RUNWAY 6R AND WAS CLEARED TO TAXI VIA TAXIWAY 'G'. AFTER CLEARING THE RUNWAY, THE PILOT TURNED ONTO THE TAXIWAY AND CONTINUED ACROSS RUNWAY 6L ON THE SAME GROUND TRACK AS THE TAXIWAY BETWEEN THE TWO RUNWAYS. HOWEVER, TAXIWAY 'G' DOES NOT ALIGN WITH ITSELF ONCE REACHING THE NORTHWEST SIDE OF RUNWAY 6L. THE PILOT STATED HE WAS UNABLE TO SEE THE TAXIWAY LIGHTS OR THE TAXIWAY SIGN AND CONSEQUENTLY TAXIED INTO A SNOWBANK. THE VISIBILITY WAS AT LEAST 3/4 OF A MILE AND LOWER DUE TO TAXIING TURBOJET AIRCRAFT. EXAMINATION OF THE TAXIWAY LIGHTS AND SIGN SHOWED THAT SOME OF THE TAXIWAY LIGHTS WERE OBSCURED BY THE SNOW DEPTH AND THE SIGN WAS NOT VISIBLE BECAUSE THERE WAS SNOW ADHERING TO THE FACE.
NTSB Probable Cause
THE PILOT'S CONTINUED TAXI AFTER BECOMING LOST OR DISORIENTED. FACTORS RELATING TO THE ACCIDENT WERE THE WHITEOUT CONDITIONS CAUSED BY THE FRESHLY FALLING AND BLOWING SNOW AND THE INADEQUATE SNOW REMOVAL BY AIRPORT PERSONNEL.
Full Narrative
THE PILOT LANDED ON RUNWAY 6R AND WAS CLEARED TO TAXI VIA TAXIWAY 'G'. AFTER CLEARING THE RUNWAY, THE PILOT TURNED ONTO THE TAXIWAY AND CONTINUED ACROSS RUNWAY 6L ON THE SAME GROUND TRACK AS THE TAXIWAY BETWEEN THE TWO RUNWAYS. HOWEVER, TAXIWAY 'G' DOES NOT ALIGN WITH ITSELF ONCE REACHING THE NORTHWEST SIDE OF RUNWAY 6L. THE PILOT STATED HE WAS UNABLE TO SEE THE TAXIWAY LIGHTS OR THE TAXIWAY SIGN AND CONSEQUENTLY TAXIED INTO A SNOWBANK. THE VISIBILITY WAS AT LEAST 3/4 OF A MILE AND LOWER DUE TO TAXIING TURBOJET AIRCRAFT. EXAMINATION OF THE TAXIWAY LIGHTS AND SIGN SHOWED THAT SOME OF THE TAXIWAY LIGHTS WERE OBSCURED BY THE SNOW DEPTH AND THE SIGN WAS NOT VISIBLE BECAUSE THERE WAS SNOW ADHERING TO THE FACE.
Flight
Event TypeIncident
Event Time04:25 AKST
Nearest AirportAnchorage International (0nm N)
Runway6
Runway Length10900 ft
Runway Width150 ft
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftPiper PA-31-T3
Tail NumberN314SC
Aircraft CategoryAir
DamageMinor
OperatorSouth Central Air
Operating RulePart 135
Engines2
Engine TypeTurboprop
Engine DetailsP&W · PT6A-11 · Turboprop · 500
Seats10
People & Injuries
Injury SummaryNo injuries (7 uninjured)
Fatal0
Serious0
Minor0
Uninjured7
Total7
Crew 1Age 33 · First Class
Conditions
ConditionsIMC
LightDaylight
Wind60° @ 4 kt
CeilingOvercast 1800 ft
Temperature / Dew Point19 C / 18 C
Altimeter29.00 inHg
Observation Time13:24
Weather SourceWFAC