Bell 206B accident near Kona, Hawaii, March 29, 1987
On March 29, 1987 at about 11:27 pm local time, a Bell 206B (helicopter), registered N90153, was destroyed in an accident near Kona, Hawaii. It was a flight of an unrecorded kind under charter and air-taxi rules (Part 135). 1 person was killed, 3 people were seriously injured and 1 person had minor injuries. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- March 29, 1987 · about 11:27 pm local time
- Place
- Kona, Hawaii · map
- Type
- Accident
- Injuries
- 1 person was killed, 3 people were seriously injured and 1 person had minor injuries.
- Weather
- visual conditions (good weather)
- Aircraft
- Bell 206B · all 206Bs on the register
- Registration
- N90153 · no longer on the register · serial 1610
- Damage
- Destroyed
- Flight
- Flight of an unrecorded kind · charter and air-taxi rules (Part 135)
The NTSB's narrative final · quoted from the NTSB record
THE PILOT PICKED UP TWO OF THE PASSENGERS AT A RESORT HOTEL AND THEN FLEW TO KAILUA-KONA AIRPORT (KOA). AFTER HOT REFUELING THE HELICOPTER WITH THE TWO PASSENGERS ON BOARD, TWO MORE PASSENGERS BOARDED THE HELICOPTER AND THEN THE FLIGHT DEPARTED KOA. WHEN THE FLIGHT EXITED WAIMANU VALLEY OVER THE BEACH THE PILOT OBSERVED ANOTHER COMPANY HELICOPTER. AFTER ESTABLISHING RADIO COMM WITH THE OTHER HELICOPTER THE PILOT ALTERED HIS COURSE TO THE WEST BEYOND THE SHORELINE AT 200 FEET AGL. THE WESTERLY COURSE EXTENDED ABOUT 1/4 MILE FROM THE SHORELINE. THE HELICOPTER'S ENGINE BEGAN TO DECELERATE. THE PILOT EXECUTED AN AUTOROTATION INTO THE OCEAN. THE HELICOPTER SANK, BUT ALL OF THE OCCUPANTS EXITED. THE PAX WERE NOT WEARING LIFE VESTS AND ONE PAX DROWNED. THE HELICOPTER WAS NOT EQUIPED WITH ANY OF THE REQUIRED FLOTATION DEVICES. THE HELICOPTER WAS NOT RECOVERED.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: commercial pilot
- Ratings: instrument: helicopter; rotorcraft: helicopter
- Flight time: 4,089 hours in all; 4,089 in this make and model; 301 in the last 90 days
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: rgt
The aircraft
- Airframe total time: 11,255 hours
- Last inspection: 100-hour inspection, March 24, 1989; 2 hours since
- Maximum gross weight: 3,200 lb
- Seats: 5
- Landing gear: fixed
- Engine: Allison 250-C20 (turboshaft); 0 hours total
- Operator: Kona Helicopters, INC.
The flight
- Departed from: KOA Ke-Ahole HI at 11:30 am
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 045° at 15 knots
- Visibility: 40 statute miles
- Sky: scat at 4,000 ft
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 1 | 3 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.