ASN Wikibase Occurrence # 287313
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| Date: | Saturday 13 October 2012 |
| Time: | 15:00 LT |
| Type: |  Bell OH-58A |
| Owner/operator: | Jackson Police |
| Registration: | N40TN |
| MSN: | 41135 |
| Year of manufacture: | 1970 |
| Total airframe hrs: | 8194 hours |
| Engine model: | Rolls-Royce AE-406166 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Jackson, TN -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Unknown |
| Departure airport: | Jackson, TN |
| Jackson, TN | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was providing aerial observation for law enforcement activity on the ground when he observed the rotor rpm decaying. He initiated a descending left 180-degree autorotation to a flat, grassy area. As he was lining up for the intended landing area, he noticed that a man on a riding lawnmower was moving toward his intended touchdown point. To avoid a collision, he maneuvered the helicopter to the right to get ahead of the lawnmower. The pilot determined that he could not make his intended touchdown point and landed on uneven terrain. The helicopter impacted the ground, which resulted in damage to the fuselage, main rotor system and separation of the tail boom. The reason for the loss of engine power could not be determined despite a thorough engine examination and test run.
Probable Cause: A loss of engine power for undetermined reasons because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation.
Accident investigation:
 |
|
Sources:
NTSB ERA13TA021
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Oct-2022 09:39 | ASN Update Bot | Added |
| 31-May-2023 08:05 | Ron Averes | Updated |
Corrections or additions? ... Edit this accident description
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