# Accident 20110703013699A: Koen Lyle D LASER/LANCAIR IVP, Matagorda Bay, TX, July 3, 2011

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 3, 2011, 10:30 local time
- Place: Matagorda Bay, TX
- Airport: Pierce Field
- Damage: Destroyed
- Phase of flight: Takeoff: Climb Out
- Operating rules: General operating rules (Part 91)
- Location: 28.4586° N, 96.2919° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=28.4586&lon=-96.2919&mi=10
- Aircraft: N11001, a cancelled registration (https://openairdocs.org/deregistered/N11001-2015-05-15) (OpenAirDocs)
- Registry model: Koen Lyle D LASER/LANCAIR IVP (registry code 05626UY, https://openairdocs.org/model/koen-lyle-d-laser-lancair-ivp) (OpenAirDocs)
- Registry engine: Amateur-built UNKNOWN ENG (registry code 99999, https://openairdocs.org/engine/amateur-built-unknown-eng) (OpenAirDocs)
- Reported make and model: KOEN LYLE D LASER/LANCAIR IVP
- Reported engine: AMA/EXPR, CONTINENTAL TSIO 550-B2B
- People aboard: 2
- Fatal injuries: 2
- Other injuries: 0
- Pilot certificates: Airline transport, flight instructor, private pilot
- Pilot flight hours: 3,000 total
- NTSB investigation: [NTSB CEN11FA443](https://openairdocs.org/ntsb/CEN11FA443) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20110703013699A

## Narrative

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

AN EXPERIMENTAL AMATEUR BUILT LANCAIR IV-4 AIRCRAFT TOOK OFF FROM PIERCE FIELD (72TA) A PRIVATELY OWNED AIRFIELD IN PORT O'CONNOR, TEXAS. AIRCRAFT DEPARTED TO THE SOUTH OVER THE GULF OF MEXICO, THEN TURNED BACK TO THE NORTH CLIMBING AND CROSSED BACK OVER THE AIRFIELD. WITNESSES REPORTED THAT THEY HEARD "POPPING SOUNDS" THE AIRCRAFT MADE AN ABRUPT MANEUVER TO THE LEFT AS TO HEAD BACK TO THE AIRFIELD, THE AIRCRAFT WENT INVERTED AND DOVE TOWARDS THE WATER. THE AIRCRAFT IMPACTED MATAGORDA BAY 2.8 MILES EAST OF BIRD ISLAND.

## 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 CEN11FA443](https://openairdocs.org/ntsb/CEN11FA443), Jul 3, 2011: Koen Lancair Laser IV-P (N11001), Port O'Connor, TX, substantial damage, 2 fatal. Probable cause: The pilot’s loss of airplane control for reasons that could not be determined from the available information.

## Other reports on N11001 (1)

Matched to the same aircraft by N-number and date.

- [Incident 19950513011509I](https://openairdocs.org/incident/19950513011509I), May 13, 1995: Amtr LANCAIR (N11001), Austin, TX, Minor damage. Nose gear collapsed landing. No anomalies. Suspect pilot raised nose gear by mistake on touchdown.

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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