# NTSB Accident SEA95LA051
> **SIKORSKY S-58JT** · 1995-02-13 · MARBLEMOUNT, WA, USA · SERS
## Event
- **NTSB number:** SEA95LA051
- **Event ID:** 20001207X03043
- **Type:** Accident
- **Date:** 1995-02-13
- **Location:** MARBLEMOUNT, WA, USA
- **Coordinates:** 48.440578, -121.269271
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** SIKORSKY
- **Model:** S-58JT
- **Registration:** N1099T
- **FAR Part:** 133
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

FATIGUE FAILURE OF THE MAIN ROTOR DRIVESHAFT.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA95LA051) · AI Analytics · CC0 1.0*