# Accident 20110629011649A: Klemp Gregory J CHALLENGER II, Neshkoro, WI, June 29, 2011

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 29, 2011, 19:35 local time
- Place: Neshkoro, WI
- Airport: Private
- Damage: Destroyed
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 44.0414° N, 89.3044° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=44.0414&lon=-89.3044&mi=10
- Aircraft: N12911, registered now (https://openairdocs.org/aircraft/N12911) (OpenAirDocs)
- Registry model: Klemp Gregory J CHALLENGER II (registry code 056281B, https://openairdocs.org/model/klemp-gregory-j-challenger-ii) (OpenAirDocs)
- Registry engine: Rotax 582DCDI (registry code 55562, https://openairdocs.org/engine/rotax-582dcdi) (OpenAirDocs)
- Reported make and model: KLEMP GREGORY J CHALLENGER II
- Reported engine: ROTAX 582DCDI
- People aboard: 2
- Fatal injuries: 1
- Other injuries: 1
- Pilot certificates: Private pilot
- Pilot flight hours: 3,000 total, 1,500 in this make and model, 10 in the last 90 days
- NTSB investigation: [NTSB CEN11FA433](https://openairdocs.org/ntsb/CEN11FA433) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20110629011649A

## Narrative

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

ON JUNE 29, 2011 AT 1935 PILOT ^PRIVACY DATA OMITTED^ (BROKEN RIB AND MINOR LEG AND NECK SORENESS) WAS TAKING GORDON SHEVELAND (FATALITY) ON A DEMO RIDE.  AT 1800 MSL TURNING CROSS WIND TO ENTER BASE AT MID POINT OF RUNWAY ENGINE LOST APPROXIMATELY 1000 RPM THEN QUIT.  PILOT CHECKED THROTTLE AND WAS AT FULL THROTTLE.  PILOT CONTINUED TO TURN LEFT OVER FIELD THEN DID A SHALLOW RIGHT TURN. ALL OF A SUDDEN THE LEFT RUDDER WENT FULL DOWN.  PILOT WHO WAS OCCUPYING THE REAR SEAT TRIED TO GET THE ATTENTION OF THE PASSENGER, WHO OCCUPIED THE FRONT SEAT, FOR UNKNOWN REASONS THE PASSENGER WAS UNRESPONSIVE (A TOXICOLOGY BOX WAS GIVEN TO THE MEDICAL EXAMINER).  PILOT TRIED TO GET RIGHT RUDDER INPUT, HOWEVER THE PASSENGER HAD IT JAMMED FULL LEFT.  PILOT AT THIS TIME WAS LOOSING ALTITUDE DUE TO THE SLIP WITH FULL LEFT RUDDER INPUT.  PILOT LOCATED THE BEST AREA OF CLEARING AND THEN IMPACTED TREES.  WEATHER WAS NOT A FACTOR IN THIS ACCIDENT.

## 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 CEN11FA433](https://openairdocs.org/ntsb/CEN11FA433), Jun 30, 2011: Klemp Gregory J Challenger II (N12911), Neshkoro, WI, substantial damage, 1 fatal. Probable cause: The total loss of engine power during the initial climb due to a cold seizure as a result of a broken fan V-belt. Contributing to the accident was the passenger's interference with the flight…

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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