# NTSB Accident SEA89FA183
> **CESSNA 182F** · 1989-09-29 · DIAMOND LAKE, OR, USA · FATL
## Event
- **NTSB number:** SEA89FA183
- **Event ID:** 20001213X29489
- **Type:** Accident
- **Date:** 1989-09-29
- **Location:** DIAMOND LAKE, OR, USA
- **Coordinates:** 43.150516, -121.800354
## Injuries
- **Highest injury:** FATL
- **Fatal:** 3
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** CESSNA
- **Model:** 182F
- **Registration:** N3581Y
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** IMC
## Probable cause

IMPROPER INFLIGHT PLANNING AND DECISION BY THE PILOT IN COMMAND WHO CONTINUED VFR FLIGHT INTO IMC CONDITIONS WHILE ATTEMPTING TO FLY THROUGH A MOUNTAIN PASS. CONTRIBUTING FACTORS WERE THE LOW CEILING AND RAIN WEATHER CONDITIONS AND THE MOUNTAINOUS, HILLY TERRAIN IN THE PASS.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA89FA183) · AI Analytics · CC0 1.0*