Grumman AA1B accident near Brandywine, Maryland, June 24, 1986
On June 24, 1986 at about 11:55 am local time, a Grumman AA1B, registered N9628L, was destroyed in an accident near Brandywine, Maryland (Andrews Afb, MD airport). It was a personal flight under general aviation rules (Part 91). 1 person had minor injuries. 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
- June 24, 1986 · about 11:55 am local time
- Place
- Brandywine, Maryland · Andrews Afb, MD · map
- Type
- Accident
- Injuries
- 1 person had minor injuries.
- Weather
- instrument conditions (cloud, fog or low visibility)
- Aircraft
- Grumman AA1B
- Registration
- N9628L · no longer on the register · serial AA1B-0128
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
PRIOR TO REACHING THE LOM DURING AN ILS RWY 01L APCH, A LOSS OF PWR WAS EXPERIENCED. THE PLT APPLIED CARB HEAT AND PWR WAS MOMENTARILY RESTORED. A TOTAL PWR LOSS WAS THEN EXPERIENCED AND THE PLT EXECUTED A FORCED LANDING IN A FIELD DURING WHICH THE ACFT NOSED OVER. POST ACCIDENT INSPECTION REVEALED THE FUEL SELECTOR WAS POSITIONED ON THE LEFT TANK WHICH CONTAINED NO FUEL. THE PLT REPORTED HE HAD FAILED TO CHANGE FUEL TANKS AFTER THE ENG FAILURE.
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: instrument airplane; instrument: airplane; rotorcraft: glider; rotorcraft: gyroplane; rotorcraft: helicopter
- Flight time: 4,845 hours in all; 690 in this make and model; 34 in the last 90 days; 4,406 as pilot in command
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: frt
The aircraft
- Airframe total time: 2,251 hours
- Last inspection: annual inspection, March 10, 1986; 35 hours since
- Maximum gross weight: 1,560 lb
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming O-320-E2G (piston); 0 hours total
The flight
- Departed from: LFI Langley Afb VA
- Destination: ADW Andrews Afb MD
- Flight plan: VFR
- Runway 1L, 9,300 ft by 200 ft
Weather at the time
- Light: daylight
- Wind: from 320° at 12 knots, gusting 22
- Sky: overcast at 400 ft
- Temperature: 68°F (20°C), dew point 0°F (-18°C)
- Altimeter: 29.00 inHg
- Observation at 11:29 am from ADW, 8 miles away
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.
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.