Hughes 369C accident near Kahului, Hawaii, May 4, 1990
On May 4, 1990 at about 1:00 am local time, a Hughes 369C (helicopter), registered N9219F, was substantially damaged in an accident near Kahului, Hawaii (Kahului airport). It was a positioning flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE PILOTS FAILURE TO ENSURE THAT ADEQUATE ROOM EXISTED TO POSITION THE HELICOPTER ON THE LANDING PLATFORM. CONTRIBUTING TO THE ACCIDENT WAS THE FAILURE OF GROUND PERSONNEL TO ENSURE THAT HAZARDS TO THE LANDING HELICOPTER WERE CLEAR OF THE LANDING AREA.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- May 4, 1990 · about 1:00 am local time
- Place
- Kahului, Hawaii · Kahului · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Hughes 369C · all 369Cs on the register
- Registration
- N9219F · no longer on the register · serial 6385
- Damage
- Substantial damage
- Flight
- Positioning flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PILOT WAS POSITIONING THE HELICOPTER OVER A WHEELED LANDING PLATFORM AFTER DISEMBARKING PASSENGERS. AS THE PILOT MADE A HOVERING TURN OVER THE PLATFORM, THE TAIL BOOM STRUCK A 6 FOOT LIGHT POLE THAT WAS ATTACHED TO THE FRONT OF A TUG VEHICLE. THE TUG HAD BEEN POSITIONED TOO CLOSE TO THE LANDING PLATFORM. THE TAIL ROTOR GEARBOX AND BLADES SEPARATED FROM THE TAILBOOM.
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
- Ratings: instrument: helicopter; rotorcraft: helicopter
- Flight time: 7,700 hours in all; 1,100 in this make and model; 200 in the last 90 days; 80 in the last 30 days; 7,000 as pilot in command
- 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: 2,550 lb
- Seats: 5
- Landing gear: fixed
- Engine: Allison 250-C20 (turboshaft); 0 hours total
- Operator: Alex Air
The flight
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 020° at 20 knots
- Visibility: 50 statute miles
- Sky: clear
- Temperature: 75°F (24°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 |
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 N9219F 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.