# Accident 19780804025669A: Grumav AA1B, Milford, MI, August 4, 1978

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 4, 1978
- Place: Milford, MI
- Damage: Destroyed
- Phase of flight: Descent
- Location: 42.5885° N, 83.6016° W: Placed by OpenAirDocs: center of Milford, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.5885&lon=-83.6016&mi=10
- Aircraft: N1SU, a cancelled registration (https://openairdocs.org/deregistered/N1SU-1979-05-31) (OpenAirDocs)
- Registry model: American AA-1B (registry code 0630820, https://openairdocs.org/model/american-aa-1b) (OpenAirDocs)
- Reported make and model: GRUMAV AA1B
- Fatal injuries: 0
- Pilot flight hours: 425 total, 7 in this make and model, 18 in the last 90 days
- NTSB investigation: [NTSB CHI78FEC45](https://openairdocs.org/ntsb/CHI78FEC45) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19780804025669A

## Narrative

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

ENTERED FLAT SPIN FROM A SPLIT-S MANEUVER.

## 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 CHI78FEC45](https://openairdocs.org/ntsb/CHI78FEC45), Aug 4, 1978: Grum Amer AA1-B (N1SU), Milford, MI, destroyed

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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