# Accident 19990301001889A: Amtrdf KITFOX, Waunakee, WI, March 1, 1999

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: March 1, 1999
- Place: Waunakee, WI
- Damage: Destroyed
- Location: 43.1801° N, 89.4493° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=43.1801&lon=-89.4493&mi=10
- Aircraft: N394GL, registered now (https://openairdocs.org/aircraft/N394GL) (OpenAirDocs)
- Registry model: Calkins Gene M KITFOX SERIES 5 (registry code 05630CR, https://openairdocs.org/model/calkins-gene-m-kitfox-series-5) (OpenAirDocs)
- Registry engine: Amateur-built UNKNOWN ENG (registry code 99999, https://openairdocs.org/engine/amateur-built-unknown-eng) (OpenAirDocs)
- Reported make and model: AMTRDF KITFOX
- NTSB investigation: [NTSB CHI99LA099](https://openairdocs.org/ntsb/CHI99LA099) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990301001889A

## Narrative

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

ACFT WAS SLOW ON FINAL AND LANDED HARD, THE SEAT BROKE LOOSE AND CAME DOWN ON THE AILERON CONTROLS, AND THE ACFT GROUND LOOPED ON THE RWY. (-23)PILOT REPORTED THAT WHEN TURNING FROM BASE TO FINAL A SHUDDER WAS FELT IN CONTROL STICK.  DESCENT SEEMED NORMAL UNTIL HE TRIED TO FLAIR.WHEN HE TRIED TO FLAIR HE HAD NO ELEVATOR RESPONSE, AND LANDED HARD AT THIS POINT THE PLASTIC SEAT BROKE.  WHEN THE SEAT BROKE IT CAME DOWN ON THE AILERON CABLES.  THE WEIGHT ON THE CABLES RENDERING.  THE AILERONS INOPERABLE.  THE RIGHT MAIN GEAR STRUT BENT AND THE AIRCRAFT TIPPED ONTO RIGHT WING.  INVESTIGATION REVEALED THAT THE STABILATOR TRIM NETUATOR HAD BROKEN AT THE HARD MOUNT LEAVING FREE TO MOVE UP OR DOWN.  THIS WAS PROBABLY THE SHUDDER  FELT IN STICK AND WOULD MAKE ELEVATOR CONTROL INEFFECTIVE.

## 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 CHI99LA099](https://openairdocs.org/ntsb/CHI99LA099), Mar 1, 1999: Calkins Kitfox 5 (N394GL), Waunakee, WI, destroyed. Probable cause: the fracture of the trim actuator.

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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