# NTSB Accident ERA12LA493
> **SIKORSKY S-58JT** · 2012-08-01 · Middletown, DE, USA · NONE
## Event
- **NTSB number:** ERA12LA493
- **Event ID:** 20120802X94619
- **Type:** Accident
- **Date:** 2012-08-01
- **Location:** Middletown, DE, USA
- **Coordinates:** 39.442222, -75.731391
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** SIKORSKY
- **Model:** S-58JT
- **Registration:** N126GW
- **FAR Part:** 133
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to recognize that the helicopter was experiencing tail rotor dynamic instability and to take immediate corrective actions during an external load lift, which resulted in the failure of a tail rotor blade.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA12LA493) · AI Analytics · CC0 1.0*