# Accident 19900721029229A: Amtrvn VANSRV4, San Andreas, CA, July 21, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 21, 1990, 09:05 local time
- Place: San Andreas, CA
- Airport: Calaveras Co-Maury Airport
- Damage: Destroyed
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 38.2009° N, 120.6207° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=38.2009&lon=-120.6207&mi=10
- Aircraft: N87CT, a cancelled registration (https://openairdocs.org/deregistered/N87CT-1991-07-12) (OpenAirDocs)
- Registry model: Brietigam Charles T RV-4 (registry code 05612CX, https://openairdocs.org/model/brietigam-charles-t-rv-4) (OpenAirDocs)
- Reported make and model: AMTRVN VANSRV4
- Reported engine: LYC O320E2A
- Fatal injuries: 0
- Pilot flight hours: 450 total, 25 in the last 90 days
- NTSB investigation: [NTSB LAX90DVG13](https://openairdocs.org/ntsb/LAX90DVG13) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900721029229A

## Narrative

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

UNDER TORQUED PROP BOLTS LOOSENED. SEVERE VIBRATION. OVERSHOT RUNWAY ON FORCED LANDING,STRUCK WIRES SECOND APPROACH

## 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 LAX90DVG13](https://openairdocs.org/ntsb/LAX90DVG13), Jul 21, 1990: Charles T. Brietigam RV-4 (N87CT), San Andreas, CA, destroyed. Probable cause: THE FAILURE OF FOUR PROPELLER RETENTION BOLTS WHICH REQUIRED THE ENGINE TO BE SHUT DOWN. A FACTOR IN THE ACCIDENT WAS THE PILOT'S MISJUDGEMENT OF THE FORCED LANDING APPROACH.

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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