# Accident 20110215001719A: Beech E-90, Des Moines, IA, February 15, 2011

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: February 15, 2011, 09:30 local time
- Place: Des Moines, IA
- Airport: Des Moines Int'L
- Damage: Substantial damage
- Phase of flight: Maneuver
- Operating rules: General operating rules (Part 91)
- Location: 41.5339° N, 93.6631° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=41.5339&lon=-93.6631&mi=10
- Aircraft: N51DN, registered now (https://openairdocs.org/aircraft/N51DN) (OpenAirDocs)
- Registry model: Beech E-90 (registry code 1152914, https://openairdocs.org/model/beech-e-90) (OpenAirDocs)
- Registry engine: U/A Canada PT6A-27-28 (registry code 61504, https://openairdocs.org/engine/u-a-canada-pt6a-27-28) (OpenAirDocs)
- Reported make and model: BEECH E-90
- Reported engine: U/A CANADA PT6A-27-28
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Airline transport
- Pilot flight hours: 15,449 total, 329 in this make and model, 60 in the last 90 days
- NTSB investigation: [NTSB CEN11LA192](https://openairdocs.org/ntsb/CEN11LA192) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20110215001719A

## Narrative

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

ON 2/15/2011 THE AIRCRAFT DEPARTED DES MOINES INTERNATIONAL AIRPORT ON A TEST FLIGHT FOR PURPOSES UNRELATED TO THE ACCIDENT. APPROXIMATELY 20 MINUTES INTO THE FLIGHT, THE RIGHT AILERON DEPARTED THE AIRCRAFT. THE PILOT DECLARED AN EMERGENCY AND LANDED THE AIRCRAFT BACK AT DES MOINES AIRPORT WITHOUT FURTHER DAMAGE. EXAMINATION OF THE AIRCRAFT REVEALED THAT THE OUTBOARD ATTACH BRACKET REMAINED WITH THE AILERON WHEN IT DEPARTED THE AIRCRAFT. THE INBOARD AND MIDDLE ATTACH BRACKETS REMAINED ATTACHED TO THE WING AND DID NOT EXHIBIT ANY DAMAGE.

## 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 CEN11LA192](https://openairdocs.org/ntsb/CEN11LA192), Feb 15, 2011: Beech E-90 (N51DN), Des Moines, IA, substantial damage. Probable cause: The improper installation of the right aileron by maintenance personnel.

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.

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