# NTSB Accident SEA89LA110
> **CESSNA 172** · 1989-06-12 · CHEMULT, OR, USA · SERS
## Event
- **NTSB number:** SEA89LA110
- **Event ID:** 20001213X28678
- **Type:** Accident
- **Date:** 1989-06-12
- **Location:** CHEMULT, OR, USA
- **Coordinates:** 43.250961, -123.240142
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** CESSNA
- **Model:** 172
- **Registration:** N1365E
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

IMPROPER INFLIGHT PLANNING/DECISION BY THE PILOT, WHICH RESULTED IN A SUDDEN ALTITUDE DEVIATION, AND HIS DELAY IN INITIATING REMEDIAL ACTION TO MAINTAIN CLEARANCE FROM THE TREES.  CONTRIBUTING FACTORS WERE THE DOWNDRAFTS, HIGH DENSITY ALTITUDE, THE PILOT DIVERTING ATTENTION, AND THE TREES.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA89LA110) · AI Analytics · CC0 1.0*