# NTSB Accident NYC91DNC04
> **LAURENT A. CLOUTIER BD-5B** · 1991-08-03 · GILFORD, NH, USA · MINR
## Event
- **NTSB number:** NYC91DNC04
- **Event ID:** 20001212X17940
- **Type:** Accident
- **Date:** 1991-08-03
- **Location:** GILFORD, NH, USA
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** LAURENT A. CLOUTIER
- **Model:** BD-5B
- **Registration:** N245BD
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

ENGINE FAILURE DUE TO A FAULTY OIL PRESSURE RELIEF VALVE RESULTING IN AN EMERGENCY LANDING ON UNSUITABLE TERRAIN.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=NYC91DNC04) · AI Analytics · CC0 1.0*