Thursday, June 29, 2017

Lancair IV-P, N366TF, Ms Rochelle LLC: Incident occurred June 01, 2017 at Oswego County Airport (KFZY), Fulton, New York

The National Transportation Safety Board did not travel to the scene of this incident

Additional Participating Entity:
Airworthiness Certification Office; Atlanta, Georgia

Aviation Incident Preliminary Report - National Transportation Safety Board:

Ms Rochelle LLC:

NTSB Identification: CEN17IA233
14 CFR Part 91: General Aviation
Incident occurred Thursday, June 01, 2017 in Fulton, NY
Aircraft: SCHRODER DAVID LANCAIR IV P, registration: N366TF
Injuries: 2 Uninjured.

This is preliminary information, subject to change, and may contain errors. Any errors in this report will be corrected when the final report has been completed. NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.

On June 1, 2017, at 1830 eastern daylight time, an amateur built Lancair IV-P airplane, N366TF, lost engine power and was forced landed at the Oswego County Airport (FZY), Fulton, New York. The pilot and flight instructor were not injured and the airplane sustained minor damage. The airplane was registered to and operated by MS Rochelle LLC under the provisions of 14 Code of Federal Regulations Part 91 as a personal flight. Day visual meteorological conditions prevailed for the local flight, which departed from FZY at 1819.

The purpose of the flight was to calibrate an angle of attack indicator, which required a series of zero G maneuvers. During the first maneuver, the flight instructor and pilot noticed the engine overspeed, as well as a noticeable "bang". Following a total loss of power, a forced landing was performed at FZY without further incident. Post flight examination revealed engine damage which included two fractured connecting rods. The engine was retained for follow on examination

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