# NTSB Accident ERA22FA105
> **EUROCOPTER DEUTSCHLAND GMBH EC135 P2+** · 2022-01-11 · Drexel Hill, PA, USA · SERS
## Event
- **NTSB number:** ERA22FA105
- **Event ID:** 20220111104517
- **Type:** Accident
- **Date:** 2022-01-11
- **Location:** Drexel Hill, PA, USA
- **Coordinates:** 39.947563, -75.30347
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 4
## Aircraft
- **Make:** EUROCOPTER DEUTSCHLAND GMBH
- **Model:** EC135 P2+
- **Registration:** N531LN
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

An inflight attitude upset for undetermined reasons that resulted in a rotor system overspeed, a reduction of power from both engines, and a subsequent hard landing.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA22FA105) · AI Analytics · CC0 1.0*