ASN Wikibase Occurrence # 43140
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Date: | Saturday 31 July 1993 |
Time: | 00:00 |
Type: | Artic Aircraft S-1B2 |
Owner/operator: | private |
Registration: | N59AT |
MSN: | 1010 |
Total airframe hrs: | 1650 hours |
Fatalities: | Fatalities: 2 / Occupants: 2 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | Johnson Glacier, AK -
United States of America
|
Phase: | Unknown |
Nature: | Executive |
Departure airport: | Anchorage, AK (Z41) |
Destination airport: | Paxton, AK |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:BOTH OCCUPANTS WERE CERTIFIED ALASKA GUIDES. ON-SCENE EVIDENCE SHOWED THAT THE AIRPLANE IMPACTED MOUNTAINOUS TERRAIN AT A STEEP ANGLE WHILE ROTATING TO THE LEFT. THE AIRPLANE HAD AN FAA-APPROVED FACTORY AUXILIARY 32-GAL BELLY FUEL TANK INSTALLED; NO WEIGHT & BALANCE REVISION WAS FOUND IN THE AIRPLANE'S RECORDS. AIRPLANE'S WEIGHT AT TIME OF ACCIDENT OVER 20% GREATER THAN MAX ALLOWABLE. NO FLIGHT TEST/PERFORMANCE DATA AVAILABLE FOR AIRPLANE WITH AUX TANK INSTALLED. IN ADDITION, THE AIRPLANE WAS EQUIPPED WITH TUNDRA TIRES; NO STC WAS RECORDED, NOR WAS CERTIFICATION FLIGHT TEST EVER CONDUCTED TO DETERMINE CG ENVELOPE WITH TUNDRA TIRES INSTALLED. AIRPLANE RECOVERED 8/12/93. CAUSE: THE PILOT'S ATTEMPTED FLIGHT IN AN AIRPLANE WHICH EXCEEDED THE MAXIMUM ALLOWABLE WEIGHT. THE HIGH MOUNTAINOUS TERRAIN WAS A FACTOR.
Sources:
NTSB:
http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001211X12758 Revision history:
Date/time | Contributor | Updates |
24-Oct-2008 10:30 |
ASN archive |
Added |
21-Dec-2016 19:24 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
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