Aerospatiale SA316B N4997A
3 June 1984 · Alcova, Wyoming, United States · No injuries
Summary
On 3 June 1984 at about 23:00 local time, a Aerospatiale SA316B registered N4997A, operated by Evergreen Helicopters Inc, was involved in an accident near Alcova, Wyoming, United States. One person was on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.
The record
- Date
- at 23:00
- Classification
- Accident
- Location
- Alcova, Wyoming, United States
- Coordinates
- 42.5508, -106.7199
- Aircraft
- Aerospatiale SA316B
- Registration
- N4997A
- Category
- Helicopter
- Engines
- 1
- Operator
- Evergreen Helicopters Inc
- Operating rule
- Part 135: Air Taxi & Commuter
- Purpose of flight
- Unknown
- Phase of flight
- Not recorded
- Route
- Casper → Unknown
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- DEN84LA168
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 1 |
Probable cause
The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.
Nothing about the cause is stated here that is not in the source record.
Read the full NTSB narrative
PLT STATED THAT THE APPROACH AND LANDING WERE NORMAL UNTIL GROUND RESONANCE STARTED AND THE BRAKES DID NOT HOLD. THE PLT ATTEMPTED TO PICK BACK UP TO A HOVER TO REPOSITION, BUT LOST DIRECTIONAL CONTROL. THE ACFT YAWED AND ROLLED TO THE LEFT ON NOSE. THE PLT STATED THAT HE 'WOULD PREFER TO BE ABLE TO FLY THE ALOUETTE III MORE OFTEN FOR PROFICIENCY.' THE ALOUETTE III MAIN ROTOR BLADES ROTATE IN THE OPPOSITE DIRECTION OF AMERICAN MANUFACTURED HELICOPTERS. THE PLT HAS LOGGED 8784 HRS IN AMERICAN MADE HELICOPTERS AND 20 HRS IN THE AEROSPATIALE HELICOPTERS.
Quoted verbatim from the NTSB record.
Other Aerospatiale SA316B accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 26 Oct 1984 | Aerospatiale SA316B | Lima, Montana, United States | NOR West Helicopters, Inc. | Minor injuries | - |
| 13 Jun 1985 | Aerospatiale SA316B | Silver Springs, Florida, United States | Evergreen Helicoters | No injuries | - |
| 30 Jan 1985 | Aerospatiale SA316B | Galt, California, United States | - | Serious injuries | - |
| 22 Mar 1982 | Aerospatiale SA316B | Near Brideport, California, United States | Mammoth Heli-Ski Tioyabe Corp. | Serious injuries | - |
| 8 Jul 1982 | Aerospatiale SA316B | Meeteetse, Wyoming, United States | Hawkins and Powers Helicopters | Serious injuries | - |
| 5 Apr 1986 | Aerospatiale SA316B | Pittsburgh, Pennsylvania, United States | Allegheny General Hospital | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 20 Apr 1984 | Piper PA-12 | Jackson, Wyoming, United States | - | No injuries | - |
| 23 May 1984 | Cessna 150L | Evanston, Wyoming, United States | - | No injuries | - |
| 31 May 1984 | Cessna 172M | Cheyenne, Wyoming, United States | Chemaire Corp | Minor injuries | - |
| 3 Jun 1984 | Cessna 172 | Thermopolis, Wyoming, United States | - | Serious injuries | - |
| 10 Jun 1984 | Cessna 150M | Afton, Wyoming, United States | - | No injuries | - |
| 29 Jun 1984 | Cessna 177RG | Cheyenne, Wyoming, United States | - | No injuries | - |