Boeing A75N1 accident near St. Augustine, Florida, September 16, 1983
On September 16, 1983 at about 12:00 pm local time, a Boeing A75N1, registered N66524, was substantially damaged in an accident near St. Augustine, Florida (St. Augustine airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. 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
- September 16, 1983 · about 12:00 pm local time
- Place
- St. Augustine, Florida · St. Augustine · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Boeing A75N1 · all A75N1s on the register
- Registration
- N66524 · registry record · serial 75-8140
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
ON THE PREVIOUS FLT, THE PLT NOTED THAT THE LEFT BRAKE WAS WEAKER THAN THE RIGHT BRAKE. BEFORE TAKING OFF AGAIN, HE ADDED FLUID TO THE LEFT BRAKE SYS. AFTER FLYING ABOUT 1 HR, HE RETURNED & LANDED. DURING THE LANDING ROLL, THE LEFT BRAKE FAILED TO OPERATE. SUBSEQUENTLY, THE ACFT VEERED TO THE RIGHT & THE LEFT WING & AILERON WERE DAMAGED. THE PASSENGER STATED THAT THE PLT WAS AWARE THAT THE LEFT BRAKE WAS LEAKING BEFORE THE FLT.
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: private
- Ratings: single-engine land; single-engine sea
- Flight time: 799 hours in all; 552 in this make and model; 4 in the last 90 days
- Medical certificate: Unknown (valid medical--no waivers/lim.)
- Seat: unk
The aircraft
- Airframe total time: 2,159 hours
- Last inspection: inspection type not recorded; 219 hours since
- Maximum gross weight: 2,717 lb
- Seats: 2
- Landing gear: fixed
- Engine: Continental W-670-6A (piston); 0 hours total
The flight
- Flight plan: none
- Runway 20, 2,530 ft by 150 ft
Weather at the time
- Light: daylight
- Wind: from 330° at 5 knots
- Visibility: 7 statute miles
- Sky: scat
- Temperature: 79°F (26°C), dew point 70°F (21°C)
- Altimeter: 30.00 inHg
- Observation at 1:50 pm from CRG, 35 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 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.
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.