Amateur-built EXECUTIVE accident near Cambridge, Wisconsin, July 11, 1984
On July 11, 1984 at about 11:00 pm local time, a amateur-built EXECUTIVE (helicopter), registered N2993P, was destroyed in an accident near Cambridge, Wisconsin. It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was 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
- July 11, 1984 · about 11:00 pm local time
- Place
- Cambridge, Wisconsin · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Amateur-built EXECUTIVE
- Registration
- N2993P · no longer on the register · serial 2993
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE FIXED WING PLT WHO WAS NOT QUALIFIED TO FLY ROTORCRAFT TRIED TO HOVER HIS HOMEBUILT ACFT. AFTER FAILING THE 1ST TIMEHE TRIED AGAIN AND THIS TIME THE ACFT ROLLED OVER AND BURNED. THE PLT SAID THE ROLL OVER OCCURRED SO FAST HE DID NOT HAVE TIME TO ACT.
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
- Flight time: 93 hours in all; 10 in this make and model; 47 as pilot in command
- Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 5 hours
- Last inspection: inspection type not recorded; 5 hours since
- Seats: 2
- Landing gear: retractable
- Engine: Rotorway RW145 (piston); 0 hours total
- Fire on the ground
The flight
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 280° at 9 knots
- Visibility: 15 statute miles
- Sky: scat at 4,500 ft
- Temperature: 84°F (29°C), dew point 59°F (15°C)
- Altimeter: 29.00 inHg
- Observation at 10:50 pm from MKE, 50 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.