# Accident 20110704011939A: Cessna 172N, Walker Island F, AL, July 4, 2011

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 4, 2011, 14:30 local time
- Place: Walker Island F, AL
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 30.2856° N, 87.5358° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=30.2856&lon=-87.5358&mi=10
- Aircraft: N109DP, a cancelled registration (https://openairdocs.org/deregistered/N109DP-2011-12-13) (OpenAirDocs)
- Registry model: Cessna 172N (registry code 2072434, https://openairdocs.org/model/cessna-172n) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: CESSNA 172N
- Reported engine: LYCOMING 0-360-A4M
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 2
- Pilot certificates: Airline transport, flight instructor
- Pilot flight hours: 7,165 total, 1,065 in this make and model, 77 in the last 90 days
- NTSB investigation: [NTSB ERA11LA388](https://openairdocs.org/ntsb/ERA11LA388) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20110704011939A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

AIRPLANE DEPARTED FOLEY, ALABAMA (0AL1) AT 1355 CDT FOR BANNER TOW INSTRUCTION OVER ST JOHNS BAYOU. AT 1430 CDT AIRPLANE ENGINE BEGAN RUNNING ROUGH AND LOST POWER. AIRPLANE WAS UNABLE TO MAINTAIN FLIGHT AND ATTEMPTED AN EMERGENCY LANDING ON  WALKER ISLAND BEACH. AIRPLANE IMPACTED THE BEACH AND SETTELED INVERTED IN TWO FEET OF WATER. PILOTS SUSTAINED MINOR INJURIES. POST CRASH INVESTIGATION REVEALED FAILURE OF NUMBER THREE CYLINDER.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ERA11LA388](https://openairdocs.org/ntsb/ERA11LA388), Jul 4, 2011: Cessna 172N (N109DP), Orange Beach, AL, substantial damage. Probable cause: The operation of the airplane using unapproved fuels, which resulted in abnormal combustion and subsequent damage to the No. 3 cylinder. Contributing to the accident was the inadequate 100-hour…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.