Amateur-built T-18 accident near Morristown, New Jersey, June 12, 1983
On June 12, 1983 at about 4:30 pm local time, a amateur-built T-18, registered N11BD, was destroyed in an accident near Morristown, New Jersey (Morristown airport). It was a personal flight under general aviation rules (Part 91). 1 person was killed. The weather was visual conditions (good weather).
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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 4, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- June 12, 1983 · about 4:30 pm local time
- Place
- Morristown, New Jersey · Morristown
- Type
- Accident
- Injuries
- 1 person was killed.
- Weather
- visual conditions (good weather)
- Aircraft
- Amateur-built T-18
- Registration
- N11BD · registry record · serial 401
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PLT HAD BEEN ACTIVE IN ORGANIZING AN AIR SHOW, BUT WAS NOT CONSIDERED A PARTICIPANT. HOWEVER, HIS HOME BUILT ACFT WAS ON STATIC DISPLAY. ON THE 2ND DAY OF THE SHOW, THE CHAIRMAN OF THE EVENT GAVE HIM PERMISSION TO DO A FLY-BY. SUBSEQUENTLY, HE INITIATED A PASS DOWN RWY 23 AT AN ALTITUDE OF APRX 150 FT AGL. DURING THE PASS, THE ACFT BEGAN TO PORPOISE, MADE 2 OSCILLATIONS ABOUT THE LATERAL AXIS, THEN BEGAN TO DISINTEGRATE. WHILE STILL IN FLT, THE WINGS, FLAPS, VERTICAL STABILIZER, RUDDER, RIGHT HORIZONTAL STABILIZER & PARTS OF THE CANOPY SEPARATED. THE FUSELAGE THEN ROLLED SLIGHTLY TO THE RIGHT, CRASHED & BURNED. THE ACFT WAS NOT CERTIFICATED FOR AEROBATIC FLT. THE MANUFACTURER OF THE KIT (FROM WHICH THE ACFT WAS BUILT) RECOMMENDED THE CRUISE SPEED (VNO) BE 172 MPH & THE NEVER EXCEED SPEED (VNE) BE 210 MPH. THE ACFT'S AIRSPEED INDICATOR WAS CALIBRATED IN KTS & WAS MARKED WITH THE VNO & VNE AT 170 & 213 KTS (196 & 244 MPH), RESPECTIVELY. PSEUDOEPHEDRINE & CHLORPHENIRAMINE FOUND IN PLT'S URINE.
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; instructor: airplane single-engine; instrument: airplane
- Medical certificate: Class 1 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 900 hours
- Last inspection: annual inspection, July 7, 1983; 55 hours since
- Maximum gross weight: 1,500 lb
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming IO-320-B1A (piston); 0 hours total
- Fire on the ground
The flight
- Flight plan: none
- Runway 23, 6,000 ft by 150 ft
Weather at the time
- Light: daylight
- Wind: from 310° at 5 knots
- Visibility: 15 statute miles
- Sky: clear
- Temperature: 84°F (29°C), dew point 63°F (17°C)
- Altimeter: 30.00 inHg
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.
About this page
Everything above comes from the NTSB's public accident database: the narrative, probable cause and findings are the NTSB's own words, and the coded tables behind its report (pilot, aircraft, flight, weather, injuries, sequence of events) are written out in plain English. Pilots' ages, home towns and medical details are left out on purpose. The documents and photographs are the NTSB's docket, the folder of records gathered during the investigation, shown as the NTSB released them (the NTSB redacts some personal details first) and listed under the NTSB's own titles. This site's own text never names pilots, passengers or anyone else involved. A preliminary report describes what is known soon after the event and can change; the final report, with the probable cause, usually follows one to two years later and this page is refreshed when it does. Case number NYC83FHM02.