ASN Wikibase Occurrence # 314580
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| Date: | Tuesday 28 September 2010 |
| Time: | 18:40 LT |
| Type: |  Beechcraft F90 |
| Owner/operator: | Mtb Investments LLC |
| Registration: | N124BK |
| MSN: | LA15 |
| Year of manufacture: | 1979 |
| Total airframe hrs: | 8014 hours |
| Engine model: | P&W PT6A SER |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Idaho Falls, Idaho -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | W. Yellowstone, MT |
| Idaho Falls-Fanning Field, ID (IDA/KIDA) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
According to the pilot, he lowered the landing gear handle during a straight-in approach to a planned full-stop landing. Subsequently all three green "gear safe" lights illuminated, and the red "gear unsafe" light terminated its illumination. The pilot executed a normal landing touchdown on the main landing gear; however, during the landing roll the gear warning horn sounded, the red "gear unsafe" light illuminated, and the airplane began to settle toward the runway. The pilot then executed a go-around, during which the tail contacted the runway. The pilot continued the go-around, lowered the gear manually, and made an uneventful landing. A postaccident inspection revealed that for reasons that were unable to be determined, the weight of the airplane, which should have been carried by the over-center gear down locks, had been carried by the gear actuator system instead. This led to the tripping of the circuit breaker protecting the actuator electrical system, and ultimately to structural failures within the mechanical portion of the actuator system, which allowed the landing gear to partially retract.
Probable Cause: The partial retraction/collapse of the main landing gear during the landing roll for undetermined reasons.
Accident investigation:
 |
|
Sources:
NTSB WPR10IA482
History of this aircraft
Other occurrences involving this aircraft
| 20 March 2008 | N124BK | Private | 0 | Idaho Falls, Idaho | |
sub |
| Gear collapse | ||||||
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Jun-2023 18:45 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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