Aerospatiale 316B N608RM
29 April 1984 · Near Dillon, Colorado, United States · No injuries
Summary
On 29 April 1984 at about 21:30 local time, a Aerospatiale 316B registered N608RM, operated by St. Anthony's Hospital, was involved in an accident near Near Dillon, Colorado, United States. 3 people were on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.
The record
- Date
- at 21:30
- Classification
- Accident
- Location
- Near Dillon, Colorado, United States
- Coordinates
- 39.6208, -106.0292
- Aircraft
- Aerospatiale 316B
- Registration
- N608RM
- Category
- Helicopter
- Engines
- 1
- Operator
- St. Anthony's Hospital
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Ferry
- Phase of flight
- Not recorded
- Route
- Dillon → Denver
- Aircraft damage
- Substantial
- Weather
- Unk
- Light
- Day
- NTSB number
- DEN84LA139
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 3 | 0 | 0 | 0 | 3 |
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
WHEN THE PLT TOOK OFF FROM A MOUNTAINOUS SKI AREA, LIGHT TO MODERATE SNOW WAS FALLING & THE WINDS WERE COMING UP THE VALLEY AT 5 TO 10 KTS. DURING THE FLT, HE ENCOUNTERED AN ESTIMATED 35 KT UPSLOPE WIND AS HE WAS PROCEEDING ON THE UPWIND SIDE OF A RIDGE AT AN ELEVATION OF ABOUT 12700 FT. WITH THE UPDRAFT, HE WAS ABLE TO REDUCE POWER. THE HORIZON WAS NOT VISIBLE BUT HE COULD SEE THE MOUNTAIN TO HIS LEFT REAR AREA. JUST PRIOR TO THE ACCIDENT, THE ACFT WAS TRAVELING AT ABOUT 40 KTS AT 100 TO 150 FT AGL. THE PLT STATED THAT WHILE HE WAS STILL IN AN UPDRAFT WITH REDUCED POWER, HE LOOKED BACK, NO MORE THAN 3 TO 5 SEC. AS HE LOOKED FORWARD AGAIN. HE ENCOUNTERED A WIND SHIFT WHICH PUT HIM IN A DOWNWIND, LOW POWER SITUATION. FEELING THERE WAS INSUFFICIENT SPACE TO TURN DOWNHILL, HE TURNED UPHILL, ADDED POWER & FLARED. THE HELICOPTER TOUCHED DOWN HARD ON STEEP TERRAIN AT ABOUT 12500 FT. THEN BECAME AIRBORNE AGAIN. IT IMPACTED AGAIN AFTER DROPPING 15 TO 25 FT & CAME TO REST. THE T/R & T/R GEAR BOX SEPARATED DURING THE SEQUENCE.
Quoted verbatim from the NTSB record.
Other Aerospatiale 316 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 26 Jul 1984 | Aerospatiale 316B | Naturita, Colorado, United States | Alpine Helicopter Services Inc | No injuries | - |
| 5 Sep 1984 | Aerospatiale 316B ALOUETTE III | Cokeville, Wyoming, United States | - | No injuries | - |
| 27 Mar 1983 | Aerospatiale 316B | Wauseon, Ohio, United States | St.vincent Hospital | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 15 Apr 1984 | Cessna 140 | Aurora, Colorado, United States | - | No injuries | - |
| 24 Apr 1984 | Cessna 150M | Boulder, Colorado, United States | - | No injuries | - |
| 10 May 1984 | Cessna T210M | Canon City, Colorado, United States | - | Minor injuries | - |
| 12 May 1984 | Cessna TU206F | Strasburg, Colorado, United States | - | No injuries | - |
| 12 May 1984 | Cessna 182M | Nucla, Colorado, United States | - | Serious injuries | - |
| 16 May 1984 | Cessna A185F | Grand Junction, Colorado, United States | - | Serious injuries | - |