Mcdonnell Douglas 369D accident near Keanae, Hawaii, December 18, 1990
On December 18, 1990 at about 5:45 pm local time, a Mcdonnell Douglas 369D (helicopter), registered N58240, was substantially damaged in an accident near Keanae, Hawaii. It was a personal flight under general aviation rules (Part 91). 1 person had minor injuries; 3 others were unhurt. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
FUEL STARVATION CAUSED BY A LOOSE FUEL LINE 'B' NUT, DUE TO IMPROPER MAINTENANCE; AND THE FAILURE OF THE PILOT TO CORRECTLY JUDGE THE LANDING FLARE DURING THE AUTOROTATION.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- December 18, 1990 · about 5:45 pm local time
- Place
- Keanae, Hawaii · map
- Type
- Accident
- Injuries
- 1 person had minor injuries; 3 others were unhurt.
- Weather
- visual conditions (good weather)
- Aircraft
- Mcdonnell Douglas 369D
- Registration
- N58240 · no longer on the register · serial 890560D
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PILOT OF A HELICOPTER WAS IN CRUISE CLIMB AT 2600 FEET 300/400 FEET ABOVE A WATERFALL IN MOUNTAINOUS TERRAIN WHEN THE ENGINE OUT AND LOW RPM WARNING HORN AND LIGHT CAME ON. THE PILOT DECIDED TO MAKE A PRECAUTIONARY LANDING ON A FLOWER FARM DOWNHILL. DURING THE DESCENT HE MADE A SERIES OF POWER CHANGES WHICH REVEALED A DETERIORATION IN AVAILABLE POWER. THE HELICOPTER LANDED HARD ON THE REAR PORTION OF THE SKIDS. THE MAIN ROTORS SEVERED THE TAIL BOOM AND ROTOR SYSTEM.
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: airline transport pilot, flight instructor, commercial pilot
- Ratings: multi-engine land; single-engine land; instrument: airplane; rotorcraft: helicopter
- Flight time: 8,100 hours in all; 3,650 in this make and model; 330 in the last 90 days; 90 in the last 30 days; 7,900 as pilot in command; 1,650 on instruments
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: unk
The aircraft
- Last inspection: inspection type not recorded; 0 hours since
- Maximum gross weight: 3,000 lb
- Seats: 5
- Landing gear: fixed
- Engine: Allison 250-C20B (turboshaft); 0 hours total
- Operator: Pacific Helicopters INC.
The flight
- Departed from: HNM Hana HI at 5:30 pm
- Destination: 0GG Kahului HI
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 360° at 1 knots
- Visibility: 15 statute miles
- Sky: scat at 7,000 ft
- Temperature: 73°F (23°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 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.
Other NTSB records under N58240 the same tail number, which may have belonged to a different aircraft at the time
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.