Amateur-built KOLB MK-III accident near Boonville, New York, June 7, 1992
On June 7, 1992 at about 2:30 pm local time, a amateur-built KOLB MK-III, registered N3146G, was substantially damaged in an accident near Boonville, New York. It was a personal flight under general aviation rules (Part 91). 1 person was killed. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE FAILURE OF THE PILOT TO MAINTAIN PROPER AIRSPEED, RESULTING IN A STALL AND LOSS OF AIRPLANE CONTROL. A FACTOR RELATED TO THE ACCIDENT WAS THE STUDENT PILOT'S LACK OF TOTAL FLIGHT EXPERIENCE.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- June 7, 1992 · about 2:30 pm local time
- Place
- Boonville, New York · map
- Type
- Accident
- Injuries
- 1 person was killed.
- Weather
- visual conditions (good weather)
- Aircraft
- Amateur-built KOLB MK-III KOLB MK-II
- Registration
- N3146G · no longer on the register · serial M3-059
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE STUDENT PILOT WAS SEEN FLYING AT LOW ALTITUDE. A WITNESS SAID THE ENGINE 'DID NOT SOUND UNUSUAL.' THE PILOT WAS PLANNING TO MEET FRIENDS AT THE AIRPORT NEAR THE CRASH SITE. AN EXAMINATION OF THE WRECKAGE REVEALED NO DISCREPANCIES. THE ENGINE WAS PLACED IN A TEST STAND AND PERFORMED SATISFACTORILY THOUUGH ALL POWER RANGES.' THE PILOT HAD AN ESTIMATED TOTAL FLIGHT TIME OF 50 HOURS.
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: student
- Flight time: 50 hours in all
- Medical certificate: Class 3 (valid medical--no waivers/lim.)
- Seat: frt
The aircraft
- Last inspection: inspection type not recorded, January 2, 2000
- Maximum gross weight: 1,000 lb
- Seats: 1
- Landing gear: retractable
- Engine: Rotax 582 (piston); 0 hours total
The flight
- Departed from: PUT Hickory Hollow NY at 2:15 pm
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 270° at 6 knots
- Visibility: 4 statute miles
- Sky: scat at 9,000 ft
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
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.