Ullman VARI VIGGEN N22VV
29 September 1991 · Greenville, Illinois, United States · No injuries
Summary
On 29 September 1991 at about 23:00 local time, a Ullman VARI VIGGEN registered N22VV, operated by Emerald J. Ullman, was involved in an accident near Greenville, Illinois, United States. 2 people were on board and nobody was injured. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 23:00
- Classification
- Accident
- Location
- Greenville, Illinois, United States
- Nearest airport
- Greenville Municipal (GRE)
- Coordinates
- 38.8806, -89.4007
- Aircraft
- Ullman VARI VIGGEN
- Registration
- N22VV
- Category
- Airplane
- Engines
- 1
- Operator
- Emerald J. Ullman
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Route
- Unknown → Hillsboro
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- CHI91DEV05
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 0 | 2 |
Probable cause
IMPROPER MAINTENANCE INSTALLATION OF THE PROPELLER.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
AN OWNER BUILT EXPERIMENTAL AIRPLANE EXPERIENCED SEPARATION OF THE WOODEN PROPELLER DURING CLIMB FROM TAKEOFF. EXAMINATION OF THE FAILED ATTACHMENT BOLTS SHOWED THE NUTS HAD BOTTOMED AGAINST THE UNTHREADED SHANK WHILE CLINCHING THE PROPELLER HUB TO ITS FLANGE.
Quoted verbatim from the NTSB record.
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 20 Nov 1991 | Aerospatiale ATR-42-300 | Chicago, Illinois, United States | Simmons Airlines Inc. | Minor injuries | - |
| 23 Dec 1991 | McDonnell Douglas DC-10-30 | Chicago, Illinois, United States | American Airlines | No injuries | - |
| 11 May 1991 | Enstrom F28 | Hampshire, Illinois, United States | Asteroid Helicopter Corp. | No injuries | - |
| 7 Oct 1991 | Piper PA-12 | Roscoe, Illinois, United States | Robert L. REX | Minor injuries | - |
| 27 May 1991 | Cessna 172N | Chicago, Illinois, United States | Chicago Skyline, Ltd. | No injuries | - |
| 20 Oct 1991 | Cessna C-210G | Freeport, Illinois, United States | Schwinn, Phillip C. | No injuries | - |