# NTSB Accident SEA91LA033
> **ERCO 415-C** · 1990-12-08 · OLA, ID, USA · FATL
## Event
- **NTSB number:** SEA91LA033
- **Event ID:** 20001212X24823
- **Type:** Accident
- **Date:** 1990-12-08
- **Location:** OLA, ID, USA
- **Coordinates:** 44.270507, -116.310752
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** ERCO
- **Model:** 415-C
- **Registration:** N3522H
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

THE PILOT'S FAILURE TO MAINTAIN SUFFICIENT ALTITUDE FOR TERRAIN CLEARANCE. ALSO CAUSAL WAS THE PILOT'S IMPAIRMENT DUE TO ALCOHOL. CONTRIBUTING FACTORS WERE THE NIGHT LIGHT CONDITION AND THE HILLY TERRAIN.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA91LA033) · AI Analytics · CC0 1.0*