ASN Wikibase Occurrence # 362403
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| Date: | Monday 22 February 1993 |
| Time: | 12:45 LT |
| Type: |  Hughes 369D |
| Owner/operator: | Pacific Helicopter Tours, Inc. |
| Registration: | N58240 |
| MSN: | 890560D |
| Engine model: | Allison 250-C20B |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Kahului, HI -
 United States of America
|
| Phase: | En route |
| Nature: | Survey |
| Departure airport: | |
| (KOGG) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE HELICOPTER WAS HIRED BY THE MAUI POLICE DEPARTMENT TO CONDUCT SOME LOW ALTITUDE SURVEILLANCE OPERATIONS IN THE MOUNTAINS. THE PILOT SAID THAT HE WAS PROCEEDING AT A SLOW SPEED DOWN A GULCH WHILE THE POLICE OFFICERS ON BOARD CONDUCTED THEIR SURVEILLANCE OPERATIONS. THE TAIL ROTOR CONTACTED A POWERLINE STRUNG ACROSS THE GULCH AND THE TAIL ROTOR SEPARATED FROM THE HELICOPTER. THE HELICOPTER BEGAN TO SPIN AND THE PILOT SAID HE REDUCED THE POWER TO IDLE AND DROPPED THE COLLECTIVE. THE HELICOPTER THEN DESCENDED INTO TREES. THE PILOT NOTED THAT HE SAW THE WIRES ABOUT TWO SECONDS PRIOR TO COLLIDING WITH THEM; HOWEVER, HE WAS UNABLE TO AVOID THEM DUE TO 'STRONG WINDS AND THE MOMENTUM OF THE HELICOPTER.'
Probable Cause: THE PILOTS FAILURE TO MAINTAIN AN ADEQUATE VISUAL LOOKOUT FOR OBSTRUCTIONS WHILE PERFORMING A LOW ALTITUDE SURVEILLANCE OPERATION IN A MOUNTAINOUS AREA, AND, HIS FAILURE TO SELECT AN ALTITUDE SUFFICIENT TO ENSURE CLEARANCE FROM ALL POTENTIAL OBSTACLES.
Accident investigation:
 |
|
Sources:
NTSB LAX93LA132
History of this aircraft
Other occurrences involving this aircraft
| 18 December 1990 | N58240 | Pacific Helicopters Inc. | 0 | Keanae, HI | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Mar-2024 06:07 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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