Bell 47G-3B-1 accident near Elderon, Wisconsin, July 22, 1993
On July 22, 1993, a Bell 47G-3B-1 (helicopter), registered N9010C, was substantially damaged in an accident near Elderon, Wisconsin. It was an aerial application (crop spraying) flight under agricultural flying rules (Part 137). 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 PILOT'S FAILURE TO REFUEL THE HELICOPTER.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- July 22, 1993
- Place
- Elderon, Wisconsin
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Bell 47G-3B-1 · all 47G-3B-1s on the register
- Registration
- N9010C · no longer on the register · serial 2904
- Damage
- Substantial damage
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
THE PILOT STATED HE FINISHED SPRAYING THE FIELD AND 'DEPARTED...AT 7:30 PM LOOKED AT MY STOP CLOCK AND DETERMINED ADEQUATE FUEL WAS AVAILABLE. ENGINE QUIT AT 7:37 PM.' POSTACCIDENT EXAMINATION REVEALED NO EVIDENCE OF USEABLE FUEL IN THE HELICOPTERS FUEL SYSTEM. THE ENGINE WAS SUPPLIED WITH FUEL AND OPERATED NORMALLY DURING AN ENGINE RUNUP.
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: commercial pilot
- Ratings: rotorcraft: helicopter
- Flight time: 2,100 hours in all; 1,900 in this make and model
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 4,485 hours
- Last inspection: 100-hour inspection, July 13, 1993; 39 hours since
- Maximum gross weight: 2,950 lb
- Seats: 3
- Landing gear: fixed
- Engine: Lycoming VO-435-A1F (piston); 0 hours total
The flight
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 090° at 3 knots
- Visibility: 10 statute miles
- Sky: scat at 5,500 ft
- Temperature: 75°F (24°C), dew point 50°F (10°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.
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.
