# NTSB Accident SEA99LA020
> **GARLICK UH-1H** · 1998-12-14 · DARRINGTON, WA, USA · SERS
## Event
- **NTSB number:** SEA99LA020
- **Event ID:** 20001211X11632
- **Type:** Accident
- **Date:** 1998-12-14
- **Location:** DARRINGTON, WA, USA
- **Coordinates:** 48.189357, -121.210533
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** GARLICK
- **Model:** UH-1H
- **Registration:** N94NW
- **FAR Part:** 133
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The total separation of the vertical fin (stabilizer), as the result of fatigue cracks which initiated in the fourth rivet hole above where the fin extends from the tailboom.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA99LA020) · AI Analytics · CC0 1.0*