# Accident 20100704047309A: Cessna 421B, Alpine, TX, July 4, 2010

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 4, 2010, 00:18 local time
- Place: Alpine, TX
- Damage: Destroyed
- Phase of flight: Takeoff: Climb Out
- Operating rules: Air taxi and commuter (Part 135)
- Operator: OH7A
- Location: 30.4008° N, 103.6658° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=30.4008&lon=-103.6658&mi=10
- Aircraft: N31AS, a cancelled registration (https://openairdocs.org/deregistered/N31AS-2011-06-01) (OpenAirDocs)
- Registry model: Cessna 421B (registry code 2076014, https://openairdocs.org/model/cessna-421b) (OpenAirDocs)
- Registry engine: Continental GTSIO-520-C (registry code 17035, https://openairdocs.org/engine/continental-gtsio-520-c) (OpenAirDocs)
- Reported make and model: CESSNA 421B
- Reported engine: CONT MOTOR GTSIO-520-C
- People aboard: 5
- Fatal injuries: 5
- Other injuries: 0
- Pilot certificates: Airline transport, flight instructor
- Pilot flight hours: 1,750 total, 0 in this make and model, 0 in the last 90 days
- NTSB investigation: [NTSB CEN10MA367](https://openairdocs.org/ntsb/CEN10MA367) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20100704047309A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

THE AIRCRAFT DEPARTED RUNWAY 23, ALPINE AIRPORT, ALPINE TEXAS FOR AN AIR AMBULANCE FLIGHT TO ODESSA, TEXAS. THE AIRCRAFT IMPACTED THE TERRAIN IN THE LANDING CONFIGURATION APPROXIMATLY ONE MILE, NE OF THE AIRPORT.NO INDICATIONS OF AIRCRAFT OR ENGINE MALFUNCITONS, ENGINE FIRE OR CABIN FIRE WAS FOUND.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN10MA367](https://openairdocs.org/ntsb/CEN10MA367), Jul 4, 2010: Cessna 421B (N31AS), Alpine, TX, substantial damage, 5 fatal. 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.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.