Gulfstream 690B accident near Millinocket, Maine, December 6, 1984
On December 6, 1984 at about 5:35 pm local time, a Gulfstream 690B, registered N699GN, was substantially damaged in an accident near Millinocket, Maine (Millinocket airport). It was a business flight under general aviation rules (Part 91). No one was hurt; 8 people were on board or involved. The weather was instrument conditions (cloud, fog or low visibility).
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
- December 6, 1984 · about 5:35 pm local time
- Place
- Millinocket, Maine · Millinocket
- Type
- Accident
- Injuries
- No one was hurt; 8 people were on board or involved.
- Weather
- instrument conditions (cloud, fog or low visibility)
- Aircraft
- Gulfstream 690B
- Registration
- N699GN · no longer on the register · serial 11393
- Damage
- Substantial damage
- Flight
- Business flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
PLT STATED THAT AFTER TOUCHDOWN, ACFT BEGAN A LEFT DRIFT. AS PLT APPLIED CORRECTIVE INPUT, HE NOTED THE LEFT WHEEL WAS IN A SNOW WINDROW, SO ADDITIONAL INPUT WAS MADE TO BREAK WHEEL FREE OF WINDOW. LEFT WHEEL CROSSED WINDROW AS ACFT SWERVED RIGHT BUT PLT WAS UNABLE TO ARREST SWERVE BEFORE NOSE GEAR CONTACTED WINDROW ON RIGHT SIDE, COLLAPSING THE NOSE GEAR. ACFT CONTINUED OFF RIGHT SIDE OF RUNWAY, STRIKING VASI LIGHTS WITH BOTH PROPS AND THE MAIN LNDG GEAR. PLT WAS AWARE ONLY CENTER 75 FT OF 150 FT WIDE RUNWAY HAD BEEN PLOWED AND BELIEVED TOUCHDOWN WAS ON RUNWAY CENTER. A 130 DEGREE RIGHT CROSSWIND OF 10-15 KTS EXISTED AT THE TIME.
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: flight instructor, commercial pilot
- Ratings: multi-engine land; single-engine land; instructor: airplane multi-engine; instructor: airplane single-engine; instructor: glider; instrument: airplane
- Flight time: 7,235 hours in all; 1,827 in this make and model; 155 in the last 90 days; 7,104 as pilot in command
- Medical certificate: Class 1 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Last inspection: 100-hour inspection, December 5, 1984; 5 hours since
- Maximum gross weight: 10,325 lb
- Seats: 10
- Landing gear: retractable
- Engine: Garrett TPE3315251K (turboprop); 0 hours total
The flight
- Departed from: PWM Portland ME at 4:35 pm
- Flight plan: IFR
- Runway 29, 4,700 ft by 150 ft
Weather at the time
- Light: daylight
- Wind: from 060° at 10 knots, gusting 15
- Visibility: 1 statute miles
- Sky: not recorded at 500 ft
- Temperature: 21°F (-6°C), dew point 18°F (-8°C)
- Altimeter: 29.00 inHg
- Observation at 5:00 pm from MLT
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 7 |
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.