ASN Wikibase Occurrence # 355789
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| Date: | Friday 6 June 1997 |
| Time: | 10:45 LT |
| Type: |  Bell 204-B |
| Owner/operator: | Thomas Hauptman |
| Registration: | N64F |
| MSN: | 2027 |
| Total airframe hrs: | 6227 hours |
| Engine model: | Lycoming T-5313B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Kaneohe, HI -
 United States of America
|
| Phase: | Unknown |
| Nature: | Unknown |
| Departure airport: | Honolulu, HI (HNL) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The helicopter pilot was preparing to sling a metal utility pole. As he picked up the load, one of the sling lines snagged. Although ground personnel saw what was happening, the line slipped off before they were able to radio the pilot. The pilot had not verified the security of the load. When this occurred, a shock was transmitted through the airframe to the main rotor system. The pilot felt a resonance and put the load back on the ground. The resonance increased, however, and the pilot jettisoned the sling. The pilot reported that the control response had become mushy, and he believed he was losing control of the helicopter, so he initiated a precautionary landing. The helicopter was over sloping terrain, and as it touched down, the stinger and tail rotor struck the ground.
Probable Cause: failure of the pilot to verify that the load was properly rigged before attempting to pick it up. The uneven (sloping) terrain was a related factor.
Accident investigation:
 |
|
Sources:
NTSB LAX97LA204
History of this aircraft
Other occurrences involving this aircraft
| 18 June 1968 | N8511F | Air America | 1 | Long Thanh (V-136) |  |
sub |
| 14 August 1969 | N8511F | Air America | 2 | near Sam Thong (LS-20) |  |
w/o |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Mar-2024 15:38 | ASN Update Bot | Added |
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