# Accident 20140819015309A: Air Tractor Inc AT-401, Wray, CO, August 19, 2014

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 19, 2014, 07:45 local time
- Place: Wray, CO
- Damage: Substantial damage
- Phase of flight: Takeoff: Climb Out
- Operating rules: Agricultural (Part 137)
- Operator: K9JG
- Location: 40.1003° N, 102.2408° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=40.1003&lon=-102.2408&mi=10
- Aircraft: N4542W, a cancelled registration (https://openairdocs.org/deregistered/N4542W-2020-07-10) (OpenAirDocs)
- Registry model: Air Tractor AT-401 (registry code 0390204, https://openairdocs.org/model/air-tractor-at-401) (OpenAirDocs)
- Registry engine: Pratt & Whitney R1340 series (registry code 52016, https://openairdocs.org/engine/pratt-whitney-r1340-series) (OpenAirDocs)
- Reported make and model: AIR TRACTOR INC AT-401
- Reported engine: P&W R1340 SERIES
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 1
- Pilot certificates: Commercial pilot, private pilot
- Pilot flight hours: 720 total, 400 in this make and model, 270 in the last 90 days
- NTSB investigation: [NTSB CEN14LA439](https://openairdocs.org/ntsb/CEN14LA439) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20140819015309A

## Narrative

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

ON 08/19/2014 AT 0745 MDT, N4542W, AN AIR TRACTOR AG-401 RESTRICTED AIRWORTHINESS AIRPLANE FLIPPED ON LANDING IN A FIELD AFTER POWER LOSS.  THE SOLE COMMERCIAL PILOT SUFFERED A MINOR INJURY.  HE WAS TRANSP0RTED BY AMBULANCE TO THE HOSPITAL FOR TREATMENT.  THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE.  THE WEATHER AT THE TIME WAS 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 CEN14LA439](https://openairdocs.org/ntsb/CEN14LA439), Aug 19, 2014: Air Tractor AT-401 (N4542W), Wray, CO, substantial damage. Probable cause: A loss of the No. 1 cylinder’s compression due to a stuck exhaust valve caused by a lack of sufficient valve clearance, which resulted in a loss of engine power and a forced landing. Contributing to…

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.

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