HILO, HI, USA
N98AW
Bell 206B
The noninstrument-rated pilot filed a company visual flight plan for a ferry flight from Kona to Hilo, Hawaii, but obtained no preflight weather briefing. Meteorological conditions along the intended route of flight were variable from visual to instrument conditions. There was a 7,000 foot overcast overlaying the destination and the eastern portion of the route. A first officer for Hawaiian Airlines stated that he and the captain observed a helicopter 15 to 20 miles west of Hilo on top of an overcast and that the pilot appeared to be searching for a visual path through the clouds. The first officer stated that at that time, there were no holes in the clouds that he could see and that Hilo was under a solid overcast. The aircraft collided with mountainous terrain at 6,500 feet.
On May 18, 1997, about 1145 hours Hawaiian standard time, a Bell 206B helicopter, N98AW, collided with mountainous terrain 21 miles north-northwest of Hilo, Hawaii. The aircraft was found at 0815 hours on May 20 after being reported overdue on a company ferry flight from Kona to Hilo. The accident site is at the 6,500 foot level on the eastern slope of the Mauna Kea volcano. The aircraft was destroyed and the solo commercial pilot received fatal injuries. The pilot had filed a company visual flight plan, but obtained no preflight weather briefing and was not rated for instrument flight. Meteorological conditions along the intended route of flight were variable from visual to instrument conditions with a 7,000-foot overcast overlaying the destination and eastern portion of the route. A first officer for Hawaiian Airlines stated to a Federal Aviation Administration Inspector that he and the captain of flight 381 observed a helicopter 15 to 20 miles west of Hilo on top of the overcast at 7,500 feet at approximately 1135 on May 18, and that the aircraft appeared to be searching for a visual path through the clouds. The first officer further stated that there were no holes in the clouds that he could see, and that Hilo was under a solid overcast at that time.
the noninstrument-rated pilot flew into instrument conditions and failed to maintain adequate terrain clearance, while attempting to descend through an overcast. The adverse weather conditions and mountainous terrain were related factors.
Source: NTSB Aviation Accident Database
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