ASN Wikibase Occurrence # 360675
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| Date: | Friday 25 March 1994 |
| Time: | 15:50 LT |
| Type: |  Hughes 369D |
| Owner/operator: | Mauna Kea Helicopters |
| Registration: | N113RS |
| MSN: | 590506D |
| Year of manufacture: | 1979 |
| Total airframe hrs: | 8133 hours |
| Engine model: | Allison C20B |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Hi. Nat'l Park, HI -
 United States of America
|
| Phase: | Taxi |
| Nature: | Unknown |
| Departure airport: | Hilo, HI (ITO) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT ENCOUNTERED A STEAM CLOUD WHILE HOVERING AND COLLIDED WITH MOUNTAINOUS TERRAIN NEAR A VOLCANO VENT. THE PILOT LOST VISUAL CONTACT WITH THE GROUND WHILE AT A 5-FOOT HOVER AFTER BEING ENVELOPED BY THE STEAM CLOUD. THE PILOT ATTEMPTED TO REGAIN VISUAL CONTACT WITH THE GROUND BY DESCENDING. DURING THE DESCENT, THE HELICOPTER'S LEFT SKID STRUCK A ROCK. THE HELICOPTER ROLLED RIGHT AND STRUCK THE GROUND.
Probable Cause: the pilot's in-flight decision to maneuver the helicopter close to an active volcano steam vent which resulted in a whiteout condition from the steam, and the pilot's subsequent loss of visual contact with the ground.
Accident investigation:
 |
|
Sources:
NTSB LAX94LA174
History of this aircraft
Other occurrences involving this aircraft
| 21 December 1992 | N113RS | Mauna Kea Helicopters | 0 | Hilo, HI | |
sub |
| 12 January 1999 | C-GSSN | Rupert's Land Operations | 1 | 36 NM SW of Fox Creek, AB, Alberta |  |
unk |
| Fuel exhaustion | ||||||
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 09:59 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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