# NTSB Accident CEN10MA367
> **CESSNA 421B** · 2010-07-04 · Alpine, TX, USA · FATL
## Event
- **NTSB number:** CEN10MA367
- **Event ID:** 20100704X15412
- **Type:** Accident
- **Date:** 2010-07-04
- **Location:** Alpine, TX, USA
- **Coordinates:** 30.400833, -103.665832
## Injuries
- **Highest injury:** FATL
- **Fatal:** 5
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 5
## Aircraft
- **Make:** CESSNA
- **Model:** 421B
- **Registration:** N31AS
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

The degraded performance of the airplane due to the pilot not properly setting the flaps and retracting the landing gear after takeoff. Contributing to the accident was the pilot’s fatigue.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN10MA367) · AI Analytics · CC0 1.0*