c/n 824
54-1687 C-GPUP
N8190Y*
? Delivered 20/06/55
? 54-1687 US ARMY ? # 1530 ? L-20 No: 531 ? Command A-6
? Davis Monthan 09/02/72 to 24/02/76
? Imported to Canada 1976
? C-GPUP Smithers Air Service 1974, BC
? Canx 06/89
? N8190Y Alaska West Guides & Outfitters / Alaska West Air Service Inc., Kenai, AK
? Crashed 12/08/92 at Crescent Lake, AK
? NTSB Identification: ANC92LA128
? One injured ? Aircraft landed hard and sank ? w/o
? A/W 27/08/99
? Talkeetna Air Taxi Service Ltd., Talkeetna, AK
? Regd 10/07/00
? Active ?
? NTSB Identification: ANC92LA128 . The docket is stored on NTSB microfiche number 47980.
14 CFRPart 135 operation of Air Taxi & Commuter ALASKA WEST AIR SERVICE, INC.
Accident occurred Wednesday, August 12, 1992 at CRESCENT LAKE, AK
Aircraft:DE HAVILLAND DHC-2, registration: N8190Y
Injuries: 1 Minor, 4 Uninjured.
APPROXIMATELY 5 SECONDS AFTER LEVELING THE WINGS ON FINAL APPROACH FOR A GLASSY WATER LANDING ON A LARGE LAKE, THE AIRPLANE EXPERIENCED A HARD PREMATURE LANDING. THE FLOATS WERE SEPARATED, AND THE AIRPLANE SANK IMMEDIATELY. THE PILOT SAID THAT BECAUSE OF THE FLAT LIGHTING AND GLASSY WATER CONDITIONS HE LOST HIS DEPTH PERCEPTION AND MISJUDGED HIS ALTITUDE. HE SAID WHEN THE AIRPLANE HIT THE WATER HE THOUGHT HE WAS STILL 70 TO 80 FEET ABOVE THE WATER.
The National Transportation Safety Board determines the probable cause(s) of this accident as follows.
THE PILOT'S MISJUDGING HIS ALTITUDE ON FINAL APPROACH. CONTRIBUTING TO THE ACCIDENT WAS THE GLASSY WATER CONDITION.
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