ASN Wikibase Occurrence # 164566
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| Date: | Saturday 8 March 2014 |
| Time: | 14:00 |
| Type: |  Cessna 172D Skyhawk |
| Owner/operator: | Gone Broke Llc |
| Registration: | N2755U |
| MSN: | 17250355 |
| Year of manufacture: | 1963 |
| Total airframe hrs: | 2096 hours |
| Engine model: | Continental O-300-D |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | H L Sonny Callahan Airport (KCQF), Fairhope, AL -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Pensacola, FL (82J) |
| Fairhope, AL (CQF) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that the airplane entered the downwind leg of the traffic pattern behind a large helicopter and that he followed the helicopter closely in the traffic pattern. While on short final approach, the airplane remained behind the helicopter as the helicopter was terminating its approach about three-quarters down the runway. When the airplane was about 30 ft above the approach end of the runway, it banked and pitched suddenly, and it then impacted the ground. The pilot reported no mechanical malfunctions or failures with the airplane that would have precluded normal operation nor were any found during a postaccident examination of the wreckage. A simulation modeling the helicopter’s trailing vortex-generating tendencies showed that vortices of significant strength were likely present at the airplane’s reported position at the time of the upset. If the pilot had maintained adequate separation from the large helicopter during the approach to landing, the airplane likely would not have encountered the trailing vortices that caused the loss of airplane control.
Probable Cause: The pilot’s failure to maintain adequate separation from a helicopter during the approach to landing, which resulted in an encounter with the helicopter’s trailing vortices, a loss of airplane control, and impact with terrain.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=2755U
Location
Images:
KCQF accident scene at 1600 CST 8 Mar 2014
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-Mar-2014 00:02 | Geno | Added |
| 09-Mar-2014 06:50 | gtinla | Updated [Phase, Nature, Photo, ] |
| 10-Mar-2014 23:23 | Geno | Updated [Registration, Source, Narrative] |
| 19-Mar-2014 21:45 | Geno | Updated [Destination airport, Source, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 29-Nov-2017 13:46 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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