# NTSB Accident SEA89LA121
> **GRUMMAN-SCHWEIZER G-164A** · 1989-06-24 · COLFAX, WA, USA · NONE
## Event
- **NTSB number:** SEA89LA121
- **Event ID:** 20001213X28685
- **Type:** Accident
- **Date:** 1989-06-24
- **Location:** COLFAX, WA, USA
- **Coordinates:** 46.849288, -117.44033
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** GRUMMAN-SCHWEIZER
- **Model:** G-164A
- **Registration:** N8974H
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

IMPROPER INSTALLATION OF THE CYLINDER ASSEMBLY. THE TERRAIN WAS NOT SUITABLE FOR A SUCCESSFUL FORCED LANDING.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA89LA121) · AI Analytics · CC0 1.0*