Bell TH-1L N204AP
8 February 1989 · Greenville, Florida, United States · No injuries
Summary
On 8 February 1989 at about 16:25 local time, a Bell TH-1L registered N204AP, operated by Green Mountain Helicopter, Inc, was involved in an accident near Greenville, Florida, 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 16:25
- Classification
- Accident
- Location
- Greenville, Florida, United States
- Coordinates
- Not recorded
- Aircraft
- Bell TH-1L
- Registration
- N204AP
- Category
- Helicopter
- Engines
- 1
- Operator
- Green Mountain Helicopter, Inc
- Operating rule
- Part 133: Rotorcraft Ext. Load
- Purpose of flight
- Unknown
- Phase of flight
- Not recorded
- Route
- Greenville → Unknown
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- MIA89LA081
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 0 | 2 |
Probable cause
INSTALLATION OF THE IMPROPER SPRAG CLUTCH ASSEMBLY BY THE OWNERS MAINTENANCE PERSONNEL RESULTING IN FAILURE OF THE SPRAG CLUTCH AND THE LOSS OF TRANSMISSION DRIVE.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
FLT EXPERIENCED LOSS OF TRANSMISSION DRIVE AND PERFORMED AN AUTOROTATION INTO TREES. EXAMINATION OF THE TRANSMISSION INDICATED THE SPRAG CLUTCH HAD FAILED AND THAT THE FAILED SPRAG CLUTCH WAS THE IMPROPER CLUTCH FOR THAT ENGINE AND TRANSMISSION. THE CLUTCH HAD BEEN INSTALLED AT TRANSMISSION OVERHAUL 140 HOURS BEFORE THE ACCIDENT.
Quoted verbatim from the NTSB record.
Other Bell TH-1L accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 12 Jul 1988 | Bell TH-1L | Walterboro, South Carolina, United States | S. Eastern Helicopter Logging | Serious injuries | - |
| 1 Aug 1990 | Bell TH-1L | Galax, Virginia, United States | Ranger Helicopters Services | Minor injuries | - |
| 23 Feb 1994 | Bell TH-1L | Etna, California, United States | Hiser Helicopters Inc. | Minor injuries | - |
| 25 Nov 1997 | Bell TH-1L | Canby, Oregon, United States | - | Minor injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 21 Mar 1989 | Cessna 172H | Melbourne, Florida, United States | - | Serious injuries | - |
| 23 Mar 1989 | Piper AEROSTAR 600 | Jacksonville, Florida, United States | Top Flight Air Service | Fatal | 1 |
| 25 Mar 1989 | Bellanca 7KCAB | Daytona Bch Shr, Florida, United States | Aerial Messages, Inc. | Fatal | 1 |
| 8 Apr 1989 | Beechcraft C-45H | Tampa, Florida, United States | - | Serious injuries | - |
| 16 Apr 1989 | Coutz QUICKIE Q-2 | Lake City, Florida, United States | Rowe, Reardon L. | Fatal | 1 |
| 25 Apr 1989 | Cessna 150M | Miramar, Florida, United States | Tursair, Inc. | Serious injuries | - |