# Accident 19861004047689A: Amtrvn VANSRV4, Lincoln, CA, October 4, 1986

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: October 4, 1986, 15:00 local time
- Place: Lincoln, CA
- Airport: Municipal
- Damage: Substantial damage
- Phase of flight: Forced Landing
- Operating rules: General operating rules (Part 91)
- Location: 38.9290° N, 121.2501° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=38.9290&lon=-121.2501&mi=10
- Aircraft: N63SM, registered now (https://openairdocs.org/aircraft/N63SM) (OpenAirDocs)
- Registry model: Smith Ray H JR RV-4 (registry code 056081K, https://openairdocs.org/model/smith-ray-h-jr-rv-4) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: AMTRVN VANSRV4
- Reported engine: LYC O320A1A
- Fatal injuries: 0
- Pilot flight hours: 3,189 total, 6 in this make and model, 6 in the last 90 days
- NTSB investigation: [NTSB LAX87DVG01](https://openairdocs.org/ntsb/LAX87DVG01) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19861004047689A

## Narrative

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

THE ENGINE FAILED DURING A TURN AND THE AIRCRAFT IMPACTED IN AN OPEN FIELD. THE GASCOLATOR WAS FOUND TO BE LOOSE.

## 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 LAX87DVG01](https://openairdocs.org/ntsb/LAX87DVG01), Oct 4, 1986: Smith & R. Mathews RV-4 (N63SM), Lincoln, CA, substantial damage

## Other reports on N63SM (1)

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

- [Accident 20000415013399A](https://openairdocs.org/incident/20000415013399A), Apr 15, 2000: Amtr RV4 (N63SM), Willows, CA, Substantial damage. (-23) Shortly after reaching cruise altitude, pilot experienced elevator control problems. Using elevator trim and engine power he maintained a controlled…

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.