ASN Wikibase Occurrence # 223294
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Date: | Wednesday 29 July 2015 |
Time: | 14:00 |
Type: | Mosquito Aviation |
Owner/operator: | Private |
Registration: | N285XE |
MSN: | MXE1249A14B |
Year of manufacture: | 2015 |
Total airframe hrs: | 25 hours |
Engine model: | Innovator Technologies Inntec 800 |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Winchendon, MA -
United States of America
|
Phase: | Standing |
Nature: | Private |
Departure airport: | Jaffrey, NH (AFN) |
Destination airport: | Jaffrey, NH (AFN) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:According to the commercial pilot, about 1 hour into a local flight, he felt the helicopter suddenly "kick from loss of torque." He then observed that the engine rpm had dropped to about 30%, and he was unable to increase engine power using the throttle control. The pilot responded by performing an autorotation to an open field. During the landing, the helicopter touched down hard, and the main rotor system struck the tailboom, which resulted in substantial damage to the airframe and tail rotor drive system.
During a postaccident engine run, the pilot found that a faulty wiring crimp resulted in a loss of electrical power to the coil pack of one of the cylinders, which resulted in the engine experiencing a partial loss of power.
Probable Cause: A partial loss of engine power due to a faulty electrical wiring crimp in the engine’s ignition system.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | ERA15LA291 |
Status: | Investigation completed |
Duration: | 3 years and 7 months |
Download report: | Final report |
|
Sources:
NTSB
Location
Revision history:
Date/time | Contributor | Updates |
22-Mar-2019 19:07 |
ASN Update Bot |
Added |
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