# NTSB Accident ERA11FA233
> **CESSNA 402B** · 2011-04-10 · Biddeford, ME, USA · FATL
## Event
- **NTSB number:** ERA11FA233
- **Event ID:** 20110410X15653
- **Type:** Accident
- **Date:** 2011-04-10
- **Location:** Biddeford, ME, USA
- **Coordinates:** 43.471942, -70.461112
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** CESSNA
- **Model:** 402B
- **Registration:** N402RC
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot did not maintain minimum controllable airspeed while on final approach with a partial loss of power in the right engine, which resulted in a loss of control. Contributing to the accident was the partial loss of engine power in the right engine due to the improperly installed o-rings in the engine’s throttle and control assembly.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA11FA233) · AI Analytics · CC0 1.0*