# NTSB Accident SEA99LA038
> **Sikorsky S-64E** · 1999-03-02 · SHELTON, WA, USA · FATL
## Event
- **NTSB number:** SEA99LA038
- **Event ID:** 20001205X00392
- **Type:** Accident
- **Date:** 1999-03-02
- **Location:** SHELTON, WA, USA
- **Coordinates:** 47.230659, -123.20095
## Injuries
- **Highest injury:** FATL
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 3
## Aircraft
- **Make:** Sikorsky
- **Model:** S-64E
- **Registration:** N194AC
- **FAR Part:** 133
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of the victim to follow the procedure that required him to make sure that all choker lines had separated from the helicopter's release mechanism prior to entering the landing (collection area).

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA99LA038) · AI Analytics · CC0 1.0*