# Incident 19780621047059I: Hughes 369HS, Grass Valley, CA, June 21, 1978

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: June 21, 1978, 09:00 local time
- Place: Grass Valley, CA
- Airport: Co
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 39.2203° N, 121.0527° W: Placed by OpenAirDocs: center of Grass Valley, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.2203&lon=-121.0527&mi=10
- Aircraft: N8316F, a cancelled registration (https://openairdocs.org/deregistered/N8316F-2013-05-14) (OpenAirDocs)
- Registry model: Hughes 369HS (registry code 4470728, https://openairdocs.org/model/hughes-369hs) (OpenAirDocs)
- Registry engine: Allison 250 SER 400HP (registry code 03013, https://openairdocs.org/engine/allison-250-ser-400hp) (OpenAirDocs)
- Reported make and model: HUGHES 369HS
- Reported engine: ALLSN 250C20
- People aboard: 3
- Fatal injuries: 0
- Pilot flight hours: 7,400 total, 400 in this make and model, 0 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19780621047059I

## Narrative

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

CHIP DETECTOR LIGHT CAME ON, FOLLOWED BY A LOUD BANG AND SMOKE IN THE COCKPIT. METAL FOUND IN MAIN OIL SCREEN

## Other reports on N8316F (1)

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

- [Accident 19800429011899A](https://openairdocs.org/incident/19800429011899A), Apr 29, 1980: Hughes 369HS (N8316F), Georgetown, CA, Destroyed. Smoke filled cockpit. Main rotors struck embankment on emergency landing. Burned. Caused of fire unknown.

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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