# Accident 20070428009159A: Amtr EXEC90, Kalamazoo, MI, April 28, 2007

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 28, 2007, 12:30 local time
- Place: Kalamazoo, MI
- Airport: Newman'S
- Damage: Destroyed
- Phase of flight: Low Level Operations
- Operating rules: General operating rules (Part 91)
- Location: 42.2889° N, 85.7500° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=42.2889&lon=-85.7500&mi=10
- Aircraft: N52988, a cancelled registration (https://openairdocs.org/deregistered/N52988-2008-12-18) (OpenAirDocs)
- Registry model: Wilkinson Daniel V ROTORWAY EXEC 90 (registry code 05624U3, https://openairdocs.org/model/wilkinson-daniel-v-rotorway-exec-90) (OpenAirDocs)
- Registry engine: Amateur-built UNKNOWN ENG (registry code 99999, https://openairdocs.org/engine/amateur-built-unknown-eng) (OpenAirDocs)
- Reported make and model: AMTR EXEC90
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 463 total, 433 in this make and model, 2 in the last 90 days
- NTSB investigation: [NTSB CHI07CA124](https://openairdocs.org/ntsb/CHI07CA124) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20070428009159A

## Narrative

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

(-23) PILOT WAS PRACTICING TAKE-OFFS, HOVER, AND QUICK STOPS ABOVE THE RUNWAY. AFTER TAKE-OFF, AT ABOUT 50 FT. AND 50 MPH, THE PILOT LOWERED THE COLLECTIVE TO INITIATE A QUICK STOP. AT THIS POINT THE ENGINE RPM REVVED UP OUT OF CONTROL. THE PILOT PULLED UP ON THE COLLECTIVE TO RE-ENGAGE THE DRIVE SYSTEM, BUT THE SYSTEM WOULD NOT ENGAGE. HE THEN WENT INTO AN AUTOROTATION, LANDED, BUT LOST TAIL ROTOR EFFECTIVENESS AND THE AIRCRAFT BEGAN TO SLIDE SIDEWAYS. THE AIRCRAFT ROLLED ONTO ITS SIDE AND THE OCCUPANTS ESCAPED PRIOR TO THE POST CRASH FIRE.

## 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 CHI07CA124](https://openairdocs.org/ntsb/CHI07CA124), Apr 28, 2007: Wilkinson Daniel V Rotorway Exec 90 (N52988), Kalamazoo, MI, destroyed. Probable cause: The failure of the sprag clutch which resulted in the disengagement of the drive unit and the pilot's misjudged landing during the autorotation. A factor was the low altitude at which the failure…

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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