# Accident 20170417008479A: 2016 Dwight Loomis XENON 4, Knoxville, IA, April 17, 2017

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 17, 2017, 13:41 local time
- Place: Knoxville, IA
- Damage: Substantial damage
- Phase of flight: Takeoff: Climb Out
- Operating rules: General operating rules (Part 91)
- Location: 41.3264° N, 93.0925° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=41.3264&lon=-93.0925&mi=10
- Aircraft: N912XV, a cancelled registration (https://openairdocs.org/deregistered/N912XV-2019-07-11) (OpenAirDocs)
- Registry model: Dwight Loomis XENON 4 (registry code 05634T6, https://openairdocs.org/model/dwight-loomis-xenon-4) (OpenAirDocs)
- Registry engine: Rotax 912UL (registry code 55592, https://openairdocs.org/engine/rotax-912ul) (OpenAirDocs)
- Reported make and model: 2016 DWIGHT LOOMIS XENON 4
- Reported engine: ROTAX 912 ULST
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- NTSB investigation: [NTSB CEN17LA156](https://openairdocs.org/ntsb/CEN17LA156) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20170417008479A

## Narrative

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

APRIL 17, 2017 (1345 CST)- THE DSM FSDO RECEIVED NOTIFICATION FROM THE CEN ROC THAT N912XV, AN EXPERIMENTAL GYROCOPTER, DEPARTED KNOXVILLE, IA (OXV), RUNWAY 15, AND LOST POWER. ADDITIONAL PASSENGER WEIGHT RESULTED IN TURBO OVER PRESSURIZATION AND ENGINE DECOMPRESSION.   ADDITIONALLY, REPORTED THAT PILOT ATTEMPTED TO LAND IN A FIELD OFF DEPARTURE END OF THE RUNWAY, STRUCK A POWER LINE, AND FORCE LANDED IN A DITCH. NO INJURIES WERE REPORTED.

## 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 CEN17LA156](https://openairdocs.org/ntsb/CEN17LA156), Apr 17, 2017: Loomis Xenon 4 (N912XV), Knoxville, IA, substantial damage. Probable cause: A partial loss of engine power for reasons that could not be determined based on the available information. Contributing to the accident was the failure of the owners to obtain proper materials…

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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