NTSB Identification: ERA09CA332
14 CFR Part 91: General Aviation
Accident occurred Sunday, June 07, 2009 in Cutchogue, NY
Probable Cause Approval Date: 09/10/2009
Aircraft: TERATORN TIERRA, registration: Unregister
Injuries: 1 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

The pilot stated that he recently installed a newly rebuilt engine in his unregistered experimental amateur-built airplane and completed a 1-hour break-in procedure the day prior to the accident. He was departing from a soft field and he believed that the engine got wet or that the propeller was damaged by mud or rocks during the takeoff, reducing thrust. The airplane gained only 40 to 50 feet of altitude before it impacted trees. The airplane incurred substantial damage to the empennage. The reason for loss of engine power was not determined. The pilot stated he should have taken the airplane back to his home base and not attempted the takeoff from the soft field.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The pilot's decision to attempt takeoff from unsuitable terrain.

Full narrative available

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