# NTSB Accident ERA13LA022
> **HUGHES/HELICOPTER ASSOCS INC 369A** · 2012-10-13 · West Chester, PA, USA · NONE
## Event
- **NTSB number:** ERA13LA022
- **Event ID:** 20121015X10207
- **Type:** Accident
- **Date:** 2012-10-13
- **Location:** West Chester, PA, USA
- **Coordinates:** 39.990276, -75.581947
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 5
- **Total aboard:** 5
## Aircraft
- **Make:** HUGHES/HELICOPTER ASSOCS INC
- **Model:** 369A
- **Registration:** N546
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s failure to see and avoid the preceding helicopter while maneuvering for landing. Contributing to the accident were the flight lead pilot’s inadequate preflight briefing and in-flight instruction to the formation pilots, which resulted in the loss of the formation flight's integrity and the pilots’ situational awareness within the flight.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA13LA022) · AI Analytics · CC0 1.0*