ASN Wikibase Occurrence # 324153
| Date: | Wednesday 13 August 1997 |
| Time: | 19:13 |
| Type: |  Beechcraft 1900C |
| Owner/operator: | Ameriflight |
| Registration: | N3172A |
| MSN: | UB-47 |
| Year of manufacture: | 1985 |
| Total airframe hrs: | 23892 hours |
| Engine model: | Pratt & Whitney Canada PT6A-65B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed, written off |
| Category: | Accident |
| Location: | Seattle/Tacoma International Airport, WA (SEA) -
 United States of America
|
| Phase: | Landing |
| Nature: | Cargo |
| Departure airport: | Portland International Airport, OR (PDX/KPDX) |
| Seattle/Tacoma International Airport, WA (SEA/KSEA) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
When the pilot initiated full flaps for landing approaching the threshold of runway 34L at Seattle, the aircraft's airspeed began to decay rapidly and a high sink rate developed as the aircraft entered into a stall/mush condition. The aircraft then landed hard, overloading the nose and left-main landing gear which collapsed. A post-impact fuel system leak during the ground slide led to a post-crash fire.
PROBABLE CAUSE: "A stall/mush condition resulting from an aft center of gravity which was inaccurately provided to the pilot-in-command by contractual cargo-loading personnel. Additional causes were overloading of the aircraft's landing gear and fuel leakage resulting in a post-crash fire. Factors contributing to the accident were the pilot's improper lowering of flaps in an aft CG situation and the inadequate company procedures for cargo loading."
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
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