# NTSB Accident SEA01LA121
> **Kaman HH-43B** · 2001-06-26 · Mullan, ID, USA · MINR
## Event
- **NTSB number:** SEA01LA121
- **Event ID:** 20010710X01346
- **Type:** Accident
- **Date:** 2001-06-26
- **Location:** Mullan, ID, USA
- **Coordinates:** 47.459178, -115.740226
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Kaman
- **Model:** HH-43B
- **Registration:** N556D
- **FAR Part:** 133
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The development of multiple fatigue cracks which ultimately resulted in the fracture of the 1st stage gas producer turbine rotor sealing disc.  Factors contributing to the accident were mountainous/hilly and unsuitable terrain conditions.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA01LA121) · AI Analytics · CC0 1.0*