# Accident 19900807030939A: Aerosp SA315B, Cougar, WA, August 7, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 7, 1990, 11:30 local time
- Place: Cougar, WA
- Damage: Destroyed
- Phase of flight: Pwr Off Vert Land/Autorotate
- Operating rules: Rotorcraft external load (Part 133)
- Operator: DYRA
- Location: 46.1903° N, 122.1291° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=46.1903&lon=-122.1291&mi=10
- Aircraft: N351RM, a cancelled registration (https://openairdocs.org/deregistered/N351RM-2013-05-30) (OpenAirDocs)
- Registry model: Aerospatiale SA315B (registry code 8680615, https://openairdocs.org/model/aerospatiale-sa315b) (OpenAirDocs)
- Registry engine: Turbomeca ARTOUSTEIIIB (registry code 60003, https://openairdocs.org/engine/turbomeca-artousteiiib) (OpenAirDocs)
- Reported make and model: AEROSP SA315B
- Reported engine: TMECA ARTOUSTE3B
- Fatal injuries: 0
- Pilot flight hours: 17,853 total, 7,698 in this make and model, 294 in the last 90 days
- NTSB investigation: [NTSB SEA90FA158](https://openairdocs.org/ntsb/SEA90FA158) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900807030939A

## Narrative

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

LOST POWER WHILE HOVERING WITH A SLING LOAD OF LOGS. DROPPED INTO TREES. FOUND CONTAMINATION IN SPEED GOVERNOR.

## 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 SEA90FA158](https://openairdocs.org/ntsb/SEA90FA158), Aug 7, 1990: Aerospatiale SA315B (N351RM), Cougar, WA, destroyed. Probable cause: LOSS OF POWER DUE TO CONTAMINATION IN THE ENGINE SPEED GOVERNOR.

## Other reports on N351RM (1)

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

- [Accident 19930924036409A](https://openairdocs.org/incident/19930924036409A), Sep 24, 1993: Aerosp SA315B (N351RM), Avery, ID, Substantial damage. While loading personnel from logging site idlin rotors struck tree stump. Helicopter began spin. Rolled down hills.

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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