ASN Wikibase Occurrence # 43626
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| Date: | Friday 9 November 2007 |
| Time: | 16:10 |
| Type: |  Bell 407 |
| Owner/operator: | Logan and Kanawha Coal Co LLC |
| Registration: | N555BH |
| MSN: | 53201 |
| Year of manufacture: | 1997 |
| Total airframe hrs: | 1956 hours |
| Engine model: | Rolls Royce 250-C47B |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | None |
| Category: | Accident |
| Location: | Morristown (MOR), TN -
 United States of America
|
| Phase: | Standing |
| Nature: | Ferry/positioning |
| Departure airport: | Morristown, TN (MOR) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
After arriving at the destination airport, the pilot taxied the helicopter to the fuel pumps. The pilot then realized that the fuel pumps were for aviation gasoline and not for jet fuel, so he advised the passengers that he would assist them in unloading, and then reposition the helicopter to the other fuel pump. After carrying the passengers' bags and using the restroom at the fixed base operator, the pilot returned to the helicopter. While walking toward the unoccupied helicopter, the pilot was struck by the idling main rotor. The helicopter's rotorcraft flight manual did not describe a procedure for the pilot to exit the helicopter while the engine and rotor continued to operate, but did state that during shutdown the pilot should, "Remain on the flight controls until the rotor has come to a complete stop." Additionally, post-accident examination of the helicopter revealed that the cyclic friction lock was not tightened, which contradicted with the flight manual's shutdown checklist. The substance found during the post-mortem toxicological testing of the pilot would not normally be expected to cause impairment of psychomotor or cognitive functions.
Probable Cause: The pilot's failure to maintain adequate clearance from the idling main rotor blade. Contributing to the accident was the pilot's failure to comply with the manufacturer's procedure for securing the helicopter.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20071227X01994&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Oct-2008 00:45 | ASN archive | Added |
| 02-Mar-2013 14:39 | TB | Updated [Location, Source] |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 04-Dec-2017 19:02 | ASN Update Bot | Updated [Operator, Total fatalities, Total occupants, Other fatalities, Nature, Departure airport, Source, Narrative] |
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