# NTSB Accident SEA97LA025
> **Garlick TH-1L** · 1996-11-05 · LEAVENWORTH, WA, USA · FATL
## Event
- **NTSB number:** SEA97LA025
- **Event ID:** 20001208X07115
- **Type:** Accident
- **Date:** 1996-11-05
- **Location:** LEAVENWORTH, WA, USA
- **Coordinates:** 47.809387, -120.859161
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Garlick
- **Model:** TH-1L
- **Registration:** N465JR
- **FAR Part:** 133
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** Unk
## Probable cause

Fatigue failure of the vertical stabilizer spar cap and subsequent loss of the rotorcraft's vertical stabilizer. Factors include inadequate inspection or trouble-shooting of the aircraft tail cone and vertical stabilizer at and after the time sheet-metal skins were stop-drilled and rivets were replaced, and repetitive cycles associated with helicopter logging operations.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA97LA025) · AI Analytics · CC0 1.0*