# Accident 20150602007549A: Monnett John T Jr SONEX SA, Oshkosh, WI, June 2, 2015

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 2, 2015, 15:15 local time
- Place: Oshkosh, WI
- Airport: Whittman Regional Airport
- Damage: Destroyed
- Phase of flight: Landing: Approach
- Operating rules: General operating rules (Part 91)
- Location: 43.9925° N, 88.5458° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=43.9925&lon=-88.5458&mi=10
- Aircraft: N123SX, a cancelled registration (https://openairdocs.org/deregistered/N123SX-2015-10-05) (OpenAirDocs)
- Registry model: Monnett John T JR SONEX SA (registry code 056220I, https://openairdocs.org/model/monnett-john-t-jr-sonex-sa) (OpenAirDocs)
- Reported make and model: MONNETT JOHN T JR SONEX SA
- Reported engine: AERO VEE AERO VEE
- People aboard: 2
- Fatal injuries: 2
- Other injuries: 0
- Pilot certificates: Private pilot
- Pilot flight hours: 678 total
- NTSB investigation: [NTSB CEN15FA249](https://openairdocs.org/ntsb/CEN15FA249) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20150602007549A

## Narrative

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

ON JUNE 2, 2015, AT 1515 DST AN AMATEUR BUILT SONEX SA N123SX EXPERIENCED LOSS OF ENGINE POWER. THE AIRCRAFT LANDED SHORT OF RUNWAY 27 OSHKOSH, WI.  COLLIDING WITH A PARKED TRUCK.  THE PILOT AND HIS PASSENGER RECEIVED FATAL INJURIES.  THE AIRCRAFT WAS DESTROYED.  THE PART 91 FLIGHT WAS A LOCAL AROUND THE PATCH FLIGHT TO GIVE CO-WORKER AN AIRPLANE RIDE. VFR METEOROLOGICAL CONDITION PREVAILED AT THE TIME.

## 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 CEN15FA249](https://openairdocs.org/ntsb/CEN15FA249), Jun 2, 2015: Monnett John T JR Sonex SA (N123SX), Oshkosh, WI, substantial damage, 2 fatal. Probable cause: The pilot's failure to maintain sufficient airspeed following a loss of engine power during initial takeoff climb, which resulted in the airplane's wing exceeding its critical angle-of-attack and a…

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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