# Accident 19890321033189A: Waco UPF7, Marathon, FL, March 21, 1989

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: March 21, 1989, 14:30 local time
- Place: Marathon, FL
- Airport: Marathon Flight Strip
- Damage: Substantial damage
- Phase of flight: Roll-Out (Fixed Wing)
- Operating rules: General operating rules (Part 91)
- Location: 24.7263° N, 81.0514° W: Placed by OpenAirDocs at , within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=24.7263&lon=-81.0514&mi=10
- Aircraft: N39752, registered now (https://openairdocs.org/aircraft/N39752) (OpenAirDocs)
- Registry model: Waco UPF-7 (registry code 9601302, https://openairdocs.org/model/waco-upf-7) (OpenAirDocs)
- Registry engine: Jacobs R-755A2M (registry code 35020, https://openairdocs.org/engine/jacobs-r-755a2m) (OpenAirDocs)
- Reported make and model: WACO UPF7
- Reported engine: CONT W670K
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 2,500 total
- NTSB investigation: [NTSB MIA89LA112](https://openairdocs.org/ntsb/MIA89LA112) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19890321033189A

## Narrative

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

GROUND LOOPED ON LANDING ROLL COLLAPSED LEFT MAIN 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 MIA89LA112](https://openairdocs.org/ntsb/MIA89LA112), Mar 21, 1989: Waco UPF-7 (N39752), Marathon, FL, substantial damage. Probable cause: THE PILOT FAILED TO MAINTAIN DIRECTIONAL CONTROL OF THE AIRCRAFT AND INADVERTENTLY ALLOWED IT TO GROUND LOOP. CROSSWIND WAS A CONTRIBUTING FACTOR.

## Other reports on N39752 (3)

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

- [Incident 20000525032329I](https://openairdocs.org/incident/20000525032329I), May 25, 2000: Waco UPF7 (N39752), Washington, IN, Minor damage. (-23)Airman was attempting a crosswind landing to the south on runway 18 at davis co. airport. Winds, as reported by airman, were light and variable from the…
- [Accident 19890802026699A](https://openairdocs.org/incident/19890802026699A), Aug 2, 1989: Waco UPF7 (N39752), Plymouth, NH, Substantial damage. Airplane felt sluggish after liftoff. Aborted. Veered into a ditch and nosed over.
- [Incident 19880626069499I](https://openairdocs.org/incident/19880626069499I), Jun 26, 1988: Waco UPF7 (N39752), Orange, MA, Minor damage. Right wheel dangling from strut. Landed beside runway. Strut dug into dirt. Nosed over. Retaining bolt missing.

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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