# NTSB Accident SEA97LA117
> **Hiller UH-12E** · 1997-05-21 · MILTONFREEWATER, OR, USA · FATL
## Event
- **NTSB number:** SEA97LA117
- **Event ID:** 20001208X08030
- **Type:** Accident
- **Date:** 1997-05-21
- **Location:** MILTONFREEWATER, OR, USA
- **Coordinates:** 45.899803, -118.340354
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Hiller
- **Model:** UH-12E
- **Registration:** N3005J
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The main rotor blade separated due to fatigue.  Factors were: an Airworthiness Directive was not properly performed, and inadequate inspection of the main rotor blades.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA97LA117) · AI Analytics · CC0 1.0*