Bell 47G2 N5193B
3 October 1994 · Decatur, Illinois, United States · Minor injuries
Summary
On 3 October 1994 at about 20:20 local time, a Bell 47G2 registered N5193B was involved in an accident near Decatur, Illinois, United States. 2 people were on board and 2 had minor injuries. 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 20:20
- Classification
- Accident
- Location
- Decatur, Illinois, United States
- Coordinates
- Not recorded
- Aircraft
- Bell 47G2
- Registration
- N5193B
- Category
- Helicopter
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Aerial Observation
- Phase of flight
- Not recorded
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- CHI95LA003
People
2 people had minor injuries.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 2 | 0 |
Probable cause
the failure of the roller springs in the freewheeling unit of the transmission which caused the unit to disengage.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE PILOT STATED THAT AFTER COMPLETING A LINE PATROL, HE MADE A CLIMBING LEFT TURN TO RETURN TO THE AIRPORT. AT APPROXIMATELY 50 TO 75 FEET ABOVE THE GROUND, THE PILOT HEARD A STRANGE SOUND, THE ENGINE BEGAN TO OVERSPEED, AND THE HELICOPTER BEGAN TO DESCEND. HE LOWERED THE COLLECTIVE AND PLACED THE HELICOPTER INTO AN AUTOROTATION TO MAKE A FORCED LANDING ON A ROAD. THE HELICOPTER TOUCHED DOWN HARD AND WAS DAMAGED. A POSTACCIDENT INVESTIGATION REVEALED 13 OF 32 ROLLER SPRINGS INSIDE THE FREEWHEELING UNIT OF THE TRANSMISSION WERE BROKEN CAUSING THE UNIT TO BECOME DISENGAGED.
Quoted verbatim from the NTSB record.
Other Bell 47G2 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 15 Jun 1994 | Bell 47G2 | Baldwin, Illinois, United States | - | Fatal | 2 |
| 25 Oct 1993 | Bell 47G2 | Billingsley, Alabama, United States | - | No injuries | - |
| 2 Jul 1993 | Bell 47G2-M | S. Sn Francisco, California, United States | - | Fatal | 1 |
| 31 Jul 1995 | Bell 47G2 | Montrose, Georgia, United States | - | No injuries | - |
| 31 Oct 1992 | Bell 47G2 | Gonzales, California, United States | Gomes Farm Air Service, Inc. | Minor injuries | - |
| 14 Sep 1991 | Bell 47G2 | Keaau, Hawaii, United States | Koinoa Aviation | Minor injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 16 Jul 1994 | Piper PA-28-140 | Kankakee, Illinois, United States | Koerner Aviation, Inc. | Minor injuries | - |
| 17 Jul 1994 | Cessna 150 | Alton, Illinois, United States | - | No injuries | - |
| 19 Apr 1994 | Remote Sensing CIRRUS VK-30 | Lk In the Hills, Illinois, United States | - | Fatal | 2 |
| 22 Jul 1994 | Cessna 175 | Cottage Hill, Illinois, United States | - | Serious injuries | - |
| 15 Jul 1994 | Piper PA-22 | Harvard, Illinois, United States | Edwin D. Swart | No injuries | - |
| 5 Jul 1994 | Hucke Ronald L PARSON-2P | Monmouth, Illinois, United States | - | Minor injuries | - |