# NTSB Accident SEA96LA219
> **Kaman HH-43 B/F** · 1996-09-23 · TROY, MT, USA · MINR
## Event
- **NTSB number:** SEA96LA219
- **Event ID:** 20001208X06818
- **Type:** Accident
- **Date:** 1996-09-23
- **Location:** TROY, MT, USA
- **Coordinates:** 48.719394, -115.740531
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 4
- **Total aboard:** 6
## Aircraft
- **Make:** Kaman
- **Model:** HH-43 B/F
- **Registration:** N4069R
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

failure of the freewheeling sprag unit bearings for undetermined reasons.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA96LA219) · AI Analytics · CC0 1.0*