ASN Wikibase Occurrence # 137501
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| Date: | Monday 18 July 2011 |
| Time: | 17:46 |
| Type: |  Mooney M20C Ranger |
| Owner/operator: | Private |
| Registration: | N6855N |
| MSN: | 680138 |
| Year of manufacture: | 1968 |
| Total airframe hrs: | 5335 hours |
| Engine model: | Lycoming IO-360-B1B |
| Fatalities: | Fatalities: 3 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Near Simpson Airport - ID62, Grace, ID -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Afton, WY (AFO) |
| Grace, ID (ID62) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Witnesses in the area observed the airplane make a slight right bank turn followed by a left bank turn toward the runway. The left bank increased to about 45 degrees, before the airplane “dropped” to the ground. Data extracted from the on-board GPS unit indicated that the pilot overshot the extended runway centerline while on the base leg then made a tight left turn back toward the centerline. The airplane impacted the ground, coming to rest less than 1 mile from the approach end of the runway. Given the witness statements and the GPS track, it is likely that the pilot overcorrected the airplane’s course by making a steep turn at low speed, which led to a stall. A postaccident examination of the engine, airframe, and related systems revealed no evidence of mechanical malfunctions or failures that would have precluded normal operation.
Probable Cause: The pilot’s failure to maintain aircraft control while maneuvering in the traffic pattern, which resulted in an aerodynamic stall.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Jul-2011 22:57 | gerard57 | Added |
| 19-Jul-2011 23:20 | RobertMB | Updated [Time, Cn, Operator, Other fatalities, Location, Phase, Departure airport, Destination airport, Source, Narrative] |
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 27-Nov-2017 17:02 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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