Gulfstream 690 accident near Detroit, Michigan, August 3, 1984
On August 3, 1984 at about 1:15 pm local time, a Gulfstream 690, registered N700CB, was substantially damaged in an accident near Detroit, Michigan (Detroit City airport). It was a flight of an unrecorded kind under charter and air-taxi rules (Part 135). No one was hurt; 4 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
- August 3, 1984 · about 1:15 pm local time
- Place
- Detroit, Michigan · Detroit City · map
- Type
- Accident
- Injuries
- No one was hurt; 4 people were on board or involved.
- Weather
- instrument conditions (cloud, fog or low visibility)
- Aircraft
- Gulfstream 690
- Registration
- N700CB · registry record · serial 11001
- Damage
- Substantial damage
- Flight
- Flight of an unrecorded kind · charter and air-taxi rules (Part 135)
The NTSB's narrative final · quoted from the NTSB record
ON RIGHT ENGINE START THE RIGHT MAIN LANDING GEAR COLLAPSED.THE GEAR HANDLE WAS FOUND IN THE DOWN POSITION AFTER THE ACCIDENT. FUNCTIONAL AND BENCH CHECK OF THE ACTUATING COMPONENTS REVEALED NO DISCREPANCIES.
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
- Ratings: multi-engine land; single-engine land; instructor: airplane multi-engine; instructor: airplane single-engine; instrument: airplane
- Flight time: 7,500 hours in all; 1,210 in this make and model; 135 in the last 90 days; 7,500 as pilot in command
- Medical certificate: Class 1 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Last inspection: inspection type not recorded
- Maximum gross weight: 9,400 lb
- Seats: 11
- Landing gear: retractable
- Engine: Airesearch TPE-331-5251K (turboprop); 0 hours total
The flight
- Destination: BKL Cleveland OH
- Flight plan: IFR
- Runway 0
Weather at the time
- Light: daylight
- Visibility: 1 statute miles
- Sky: broken clouds at 8,000 ft
- Temperature: 81°F (27°C), dew point 77°F (25°C)
- Altimeter: 30.00 inHg
- Observation at 1:19 pm from DET
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 2 | |||
| Passengers | 2 |
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.