# Accident 19811222081231A: Grumav AA1B, Vacaville, CA, December 22, 1981

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 22, 1981, 10:00 local time
- Place: Vacaville, CA
- Airport: Nut Tree
- Damage: Substantial damage
- Collision: Midair collision, first aircraft
- Phase of flight: Final Approach
- Operating rules: General operating rules (Part 91)
- Location: 38.3782° N, 121.9612° W: Placed by OpenAirDocs at NUT TREE (VCB), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.3782&lon=-121.9612&mi=10
- Aircraft: N1632R, registered now (https://openairdocs.org/aircraft/N1632R) (OpenAirDocs)
- Registry model: Grumman American Avn. AA-1B (registry code 3960103, https://openairdocs.org/model/grumman-american-avn-aa-1b) (OpenAirDocs)
- Registry engine: Lycoming 0-235 series (registry code 41505, https://openairdocs.org/engine/lycoming-0-235-series) (OpenAirDocs)
- Reported make and model: GRUMAV AA1B
- Fatal injuries: 0
- Pilot flight hours: 452 total, 11 in this make and model, 11 in the last 90 days
- NTSB investigation: [NTSB LAX82FVG11](https://openairdocs.org/ntsb/LAX82FVG11) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19811222081231A

## Narrative

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

GRUMMAN AIRCRAFT COLLIDED WITH PIPER, N4461T, AS IT TURNED ON FINAL APPROACH FOR LANDING.

## 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 LAX82FVG11](https://openairdocs.org/ntsb/LAX82FVG11), Dec 22, 1981: Grum Amer AA-1B (N1632R), Vacaville, CA, substantial damage

## Other reports on N1632R (1)

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

- [Incident 19790701015159I](https://openairdocs.org/incident/19790701015159I), Jul 1, 1979: Gulstm AA1B (N1632R), Antioch, CA, Minor damage. Bounced and dropped in on landing. Nose strut bent, wheel rim damage and prop tips.

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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