ASN Wikibase Occurrence # 172237
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| Date: | Saturday 13 December 2014 |
| Time: | 13:40 |
| Type: |  Murphy Renegade Spirit |
| Owner/operator: | Private |
| Registration: | N955R |
| MSN: | 103P |
| Year of manufacture: | 1995 |
| Engine model: | Continental A-65 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Near Malcolm Mc Kinnon Airport (KSSI), Saint Simons Island, Brunswick, -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Brunswick, GA (SSI) |
| Brunswick, GA (SSI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The private pilot had owned the experimental amateur-built airplane for about 3 years but had never flown it. He had performed several hours of taxi and ground tests while troubleshooting the operation of the engine that he had installed in the airplane. On the day of the accident, the pilot told an acquaintance that he had been having trouble with the airplane's brakes and that the engine was idling too high. After adjusting the carburetor, engine operation seemed to have improved, and the pilot said that he might try flying the airplane. The acquaintance cautioned the pilot against doing so given the condition of the brakes and inconsistent engine operation; however, the pilot proceeded to the runway and departed.
Two witnesses near the accident site saw the airplane in a left bank as though the pilot was attempting to return to the runway. One of the witnesses, who was a pilot, heard the engine lose power and saw the airplane descend in a manner consistent with an aerodynamic stall.
Postaccident examination revealed that all flight controls were continuous from the cockpit to their respective control surfaces. The fuel lines to the engine were unobstructed. Examination of the engine revealed continuity throughout and established compression on all cylinders; however, no further examination of the engine or its accessories was performed, and the reason for the loss of engine power could not be determined.
The airplane's descent and impact attitude were consistent with a loss of control due to an exceedance of the airplane's critical angle of attack and a subsequent aerodynamic stall following a loss of engine power.
Probable Cause: The pilot's decision to fly the airplane with known engine deficiencies and his subsequent exceedance of the airplane's critical angle of attack following a loss of engine power, which resulted in an aerodynamic stall and loss of control after takeoff.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=955R
Location
Images:
Photo: NTSB
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Dec-2014 21:08 | gerard57 | Added |
| 13-Dec-2014 21:41 | harro | Updated [Location, Embed code] |
| 14-Dec-2014 00:18 | Geno | Updated [Time, Aircraft type, Registration, Cn, Total fatalities, Total occupants, Other fatalities, Location, Source, Embed code, Damage, Narrative] |
| 14-Dec-2014 16:02 | El_serj | Updated [Aircraft type] |
| 30-Dec-2014 02:16 | Geno | Updated [Phase, Nature, Departure airport, Destination airport, Source] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 22-Aug-2018 10:36 | ASN Update Bot | Updated [Nature, Departure airport, Destination airport, Source, Embed code, Narrative] |
| 22-Aug-2018 11:03 | harro | Updated [Location, Source, Embed code, Narrative, Photo, ] |
| 22-Aug-2018 11:04 | harro | Updated [Embed code] |
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