ASN Wikibase Occurrence # 309959
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| Date: | Monday 27 June 2016 |
| Time: | 13:30 LT |
| Type: |  Enstrom 280 |
| Owner/operator: | Blue Sun Air LLC |
| Registration: | N518EG |
| MSN: | 2101 |
| Year of manufacture: | 2003 |
| Total airframe hrs: | 533 hours |
| Engine model: | Lycoming HIO-360 SER |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Zeeland, MI (Z98) -
 United States of America
|
| Phase: | Standing |
| Nature: | Training |
| Departure airport: | Zeeland, MI (Z98) |
| Zeeland, MI (Z98) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The flight instructor and student conducted a preflight inspection of the helicopter in preparation for the student's first flight. The flight instructor reported that, after engine start and before takeoff, he saw the lights on the panel flicker and smelled smoke. About the same time, he noticed ground personnel running toward the helicopter. He and the student exited the helicopter, and ground personnel extinguished an engine fire.
Examination of the engine's exhaust band clamp assembly revealed that the clamp's two U-shaped retainer portions had fractured at spot weld locations. The incident is consistent with the failure of the exhaust band clamp, which allowed hot exhaust gases to enter the engine compartment and a fire to ensue.
Probable Cause: The exhaust band clamp failure, which resulted in an engine fire due to hot exhaust gases entering the engine compartment.
Accident investigation:
 |
|
Sources:
NTSB CEN16IA238
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Apr-2023 13:15 | ASN Update Bot | Added |
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