Monday, September 18, 2017

Rotorway Exec 162F, N123XZ, North Indiana Rotor LLC: Accident occurred September 16, 2017 in Plymouth, Marshall County, Indiana



Federal Aviation Administration / Flight Standards District Office; DuPage, Illinois

Rotorcraft force landed in a field.

North Indiana Rotor LLC:   http://registry.faa.gov/N123XZ

Date: 16-SEP-17
Time: 22:16:00Z
Regis#: N123XZ
Aircraft Make: ROTORWAY
Aircraft Model: EXEC 162
Event Type: ACCIDENT
Highest Injury: NONE
Aircraft Missing: No
Damage: SUBSTANTIAL
Activity: UNKNOWN
Flight Phase: APPROACH (APR)
City: PLYMOUTH
State: INDIANA

Prior accident occurred February 26, 2015 in Plymouth, Indiana

Additional Participating Entity: 
Federal Aviation Administration / Flight Standards District Office; South Bend; Indiana

Aviation Accident Final Report - National Transportation Safety Board: https://app.ntsb.gov/pdf

Investigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdms

Aviation Accident Data Summary - National Transportation Safety Board: https://app.ntsb.gov/pdf

NTSB Identification: CEN15CA155
14 CFR Part 91: General Aviation
Accident occurred Thursday, February 26, 2015 in Plymouth, IN
Probable Cause Approval Date: 09/11/2015
Aircraft: GADDIS MICHAEL EXEC 162 F, registration: N123XZ
Injuries: 2 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 reported that while in cruise flight the engine RPM of the helicopter suddenly increased to the point where the rev limiter activated. At this point the helicopter was about 700 ft above ground level and the pilot performed an autorotation to a baseball field. During the forced landing, the helicopter sustained substantial damage to its fuselage. Subsequent examination of the helicopter revealed that the main drive belt that transmitted engine power to the rotor system had failed.

The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
The failure of the helicopter's main drive belt resulting in the pilot performing a forced landing, during which the helicopter's fuselage was substantially damage.

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