# Accident 19790729030829A: Amtrbg BAKENGDUCE, Oshkosh, WI, July 29, 1979

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 29, 1979, 11:00 local time
- Place: Oshkosh, WI
- Airport: Wittman
- Damage: Substantial damage
- Phase of flight: Roll-Out (Fixed Wing)
- Operating rules: General operating rules (Part 91)
- Location: 43.9844° N, 88.5570° W: Placed by OpenAirDocs at WITTMAN RGNL (OSH), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.9844&lon=-88.5570&mi=10
- Aircraft: N9659A, registered now (https://openairdocs.org/aircraft/N9659A) (OpenAirDocs)
- Registry model: Boessenkool-Helmich BAKENG DUCE (registry code 0565089, https://openairdocs.org/model/boessenkool-helmich-bakeng-duce) (OpenAirDocs)
- Registry engine: Lycoming 0-290 series (registry code 41506, https://openairdocs.org/engine/lycoming-0-290-series) (OpenAirDocs)
- Reported make and model: AMTRBG BAKENGDUCE
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 1,300 total, 8 in this make and model, 19 in the last 90 days
- NTSB investigation: [NTSB CHI79FEP68](https://openairdocs.org/ntsb/CHI79FEP68) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19790729030829A

## Narrative

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

PILOT LOST DIRECTIONAL CONTROL OF AIRPLANE ON LANDING ROLL. ACFT GROUND-LOOPED. COLLAPSED LANDING GEAR.

## 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 CHI79FEP68](https://openairdocs.org/ntsb/CHI79FEP68), Jul 29, 1979: Bakeng Duce (N9659A), Oskhosh, WI, substantial damage

## Other reports on N9659A (2)

Matched to the same aircraft by N-number and date.

- [Accident 19870921058729A](https://openairdocs.org/incident/19870921058729A), Sep 21, 1987: Amtrbg BAKENGDUCE (N9659A), Gillette, WY, Substantial damage. The aircraft ground looped off the runway on landing. A weld in the tail wheel spring bracket had failed.
- [Incident 19870804058209I](https://openairdocs.org/incident/19870804058209I), Aug 4, 1987: Amtrbg BAKENGDUCE (N9659A), Sioux Falls, SD, Minor damage. Left main rear brace broke on landing allowing the gear to collapse and the aircraft ground looped.

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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