# NTSB Accident SEA90LA116
> **ENSTROM F28C** · 1990-06-07 · CAMAS, WA, USA · NONE
## Event
- **NTSB number:** SEA90LA116
- **Event ID:** 20001212X23561
- **Type:** Accident
- **Date:** 1990-06-07
- **Location:** CAMAS, WA, USA
- **Coordinates:** 45.640892, -122.369194
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** ENSTROM
- **Model:** F28C
- **Registration:** N51729
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE FAILURE OF A SPRAG CLUTCH IN THE ROTOR-DRIVE MECHANISM, AT AN ALTITUDE AND POSITION THAT PRECLUDED OR LIMITED THE POSSIBILITY OF A SUCCESSFUL OUTCOME.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA90LA116) · AI Analytics · CC0 1.0*