North American BRITISH HARVARD MKII accident near Ada, Oklahoma, August 28, 1985
On August 28, 1985 at about 10:45 pm local time, a North American BRITISH HARVARD MKII, registered N711XX, was destroyed in an accident near Ada, Oklahoma. It was a personal flight under general aviation rules (Part 91). 2 people were 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
- August 28, 1985 · about 10:45 pm local time
- Place
- Ada, Oklahoma · map
- Type
- Accident
- Injuries
- 2 people were killed.
- Weather
- visual conditions (good weather)
- Aircraft
- North American BRITISH HARVARD MKII BRITISH HA
- Registration
- N711XX · registry record · serial 2927
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
TWO FULLY QUALIFIED SINGLE ENGINE PLTS WERE IN THE ACFT AT THE TIME OF THE ACCIDNET. THE ACFT WAS OBSERVED MAKING LOW PASSES NEAR THE AIRPORT AFTER TAKEOFF. ONE PLT'S MOTHER LIVED NEAR THE ACCIDENT SITE. THE ACFT WAS IN A STEEP BANKED RIGHT TURN WHEN THE RIGHT WING TIP IMPACTED THE SURFACE FOLLOWED BY THE AIRCRAFT IMPACTING THE SURFACE WITH THE WRECKAGE CONTINUING THRU WIRES, FENCE AND THE PIPE STORAGE RACKS. THE IMPACT DEMOLISHED THE AIRCRAFT AND FATALLY INJURED THE PLTS. IT COULD NOT BE DETERMINED WHICH OF THE PLTS WAS FLYING THE ACFT AT THE TIME OF IMPACT.
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 single-engine; instrument: airplane
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: frt
The aircraft
- Last inspection: annual inspection, August 17, 1985
- Maximum gross weight: 5,300 lb
- Seats: 2
- Landing gear: retractable
- Engine: P&W R-1430-AN-1 (piston); 0 hours total
- Fire on the ground
- Operator: Ada Aircraft
The flight
- Destination: PWA Oklahoma City OK
- Flight plan: none
- Runway 0
- A second pilot was aboard
Weather at the time
- Light: daylight
- Wind: from 200° at 6 knots
- Visibility: 10 statute miles
- Sky: scat at 7,000 ft
- Temperature: 90°F (32°C), dew point 70°F (21°C)
- Altimeter: 30.00 inHg
- Observation at 10:50 pm from MLC, 60 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 2 |
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 docket at the NTSB holds the report as a PDF and the investigation's photographs and documents. This site 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 FTW85FA335.