# Accident 20111108026539A: Piper PA-31T, Cheyenne, WY, November 8, 2011

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 8, 2011, 11:00 local time
- Place: Cheyenne, WY
- Airport: Cheyenne Regional/Jerry Olson Fiel
- Damage: Substantial damage
- Phase of flight: Takeoff: Climb Out
- Operating rules: Air taxi and commuter (Part 135)
- Operator: JCNA
- Location: 41.1556° N, 104.8103° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=41.1556&lon=-104.8103&mi=10
- Aircraft: N39EH, registered now (https://openairdocs.org/aircraft/N39EH) (OpenAirDocs)
- Registry model: Piper PA-31T (registry code 7103124, https://openairdocs.org/model/piper-pa-31t) (OpenAirDocs)
- Registry engine: Pratt & Whitney Canada PT6A-60A (registry code 52043, https://openairdocs.org/engine/pratt-whitney-canada-pt6a-60a) (OpenAirDocs)
- Reported make and model: PIPER PA-31T
- People aboard: 4
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Airline transport
- Pilot flight hours: 4,348 total, 1,640 in this make and model, 144 in the last 90 days
- NTSB investigation: [NTSB WPR12LA030](https://openairdocs.org/ntsb/WPR12LA030) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20111108026539A

## Narrative

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

ON 8 NOVEMBER 2011, AT APPROXIMATELY 1100 HRS MST, DURING CLIMB OUT FROM CHEYENNE (CYS) AIRPORT, WY, N39EH, A PIPER MODEL PA-31T CHEYENNE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE WHEN THE CABIN ENTRY DOOR DEPARTED THE AIRCRAFT AT APPROXIMATELY 8500 FEET MEAN SEA LEVEL (MSL).  THE AIRCRAFT RETURNED TO CHEYENNE AIRPORT AND MADE AN UNEVENTFUL LANDING.  THERE WERE NO INJURIES TO THE FOUR OCCUPANTS ON BOARD.  WEATHER AT THE TIME WAS VISUAL METEOROLOGICAL CONDITIONS (VMC).

## 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 WPR12LA030](https://openairdocs.org/ntsb/WPR12LA030), Nov 8, 2011: Piper PA-31T (N39EH), Cheyenne, WY, substantial damage. Probable cause: The flight crew’s failure to properly latch the cabin door before takeoff.

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.