Hughes 369HS N9239F
4 May 1982 · Tok, Alaska, United States · No injuries
Summary
On 4 May 1982 at about 20:00 local time, a Hughes 369HS registered N9239F, operated by Ronald M. & Linda S. Warbelow, was involved in an accident near Tok, Alaska, 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 20:00
- Classification
- Accident
- Location
- Tok, Alaska, United States
- Coordinates
- 63.1807, -143.1006
- Aircraft
- Hughes 369HS
- Registration
- N9239F
- Category
- Helicopter
- Engines
- 1
- Operator
- Ronald M. & Linda S. Warbelow
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Unknown
- Phase of flight
- Not recorded
- Route
- Mt. Neuberger → Tanacross
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- ANC82DA039
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
THE PILOT WAS CONDUCTING A NON-REVENUE, SLING-LOAD OPERATION ON MT NEUBERER, WHILE DONATING HIS SERVICES TO TOK COMMUNITY TV, INC. HE STATED THAT HE WAS LIFTING THREE EMPTY PROPANE BOTTLES FROM A SNOW FIELD WHEN HE NOTICED THE AUTO RELIGHT LAMP FLASH. HE STATED THAT ALMOST IMMEDIATELY, THE ENGINE-OUT LIGHT AND HORN ACTIVATED AND THE LOAD MAY HAVE CONTACTED THE GROUND. THE HELICOPTER BEGAN TO ACCELERATE FORWARD DESPITE HIS AFT CYCLIC CONTROL INPUT. HE STATED THAT HE PUSHED THE ELECTRIC SLING RELEASE SWITCH. HOWEVER, THE HELICOPTER CONTINUED TO ACCELERATE FORWARD AND DOWN. IT HIT THE GROUND IN A VERTICLE NOSE DOWN ATTITUDE WHILE HE WAS APPLYING ALMOST FULL AFT CYCLIC. THE ELEVATION WAS ABOUT 5800 FT. THE ELECTRIC SLING LOAD LATCH WAS FOUND IN THE CLOSED POSITION. THE ENGINE WAS REMOVED AND CHECKED ON A TEST STAND. SEVERAL HUNG STARTS OCCURRED AT 45 TO 50% UNTIL A SLIGHT ADJUSTMENT WAS MADE TO INCREASE FUEL FLOW, THEN THE ENGINE OPERATED WELL, BUT ABOUT 5% BELOW MAX POWER. PILOT LACKED FAA APPROVAL, EXT LOAD OPN
Quoted verbatim from the NTSB record.
Other Hughes 369 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 7 Aug 1982 | Hughes 369D | Shelton, Washington, United States | Olympic Air, Inc. | No injuries | - |
| 28 Jul 1982 | Hughes 369D | Near Bornite, Alaska, United States | Sunshine Copters | Fatal | - |
| 6 May 1982 | Hughes 369HS | Gooding, Idaho, United States | Thomas Heli | Serious injuries | - |
| 20 Jul 1982 | Hughes 369D | Creswell, Oregon, United States | Mazama Timber Products Company | No injuries | - |
| 26 Jan 1982 | Hughes 369D | 10MI. Nw Walsen, Colorado, United States | Russell Lyon | Minor injuries | - |
| 13 Aug 1982 | Hughes 369D | Meredith, Colorado, United States | Vertecare | Serious injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 7 Aug 1982 | Piper PA-12 | Near Anchorage, Alaska, United States | Seven Star Flying Club Incorpo | Minor injuries | - |
| 26 Jun 1982 | Cessna 170B | Near Anchorage, Alaska, United States | Robert Rouille Gaines | No injuries | - |
| 4 Aug 1982 | Cessna 150H | Near Anchorage, Alaska, United States | John P. Ellison JR. | Serious injuries | - |
| 10 Sep 1982 | Cessna 170 | Near Anchorage, Alaska, United States | Vernon L. Roelfs | No injuries | - |
| 14 Aug 1982 | Cessna 207 | Near Anvik, Alaska, United States | Byron R. Walton | No injuries | - |
| 16 May 1982 | De Havilland DHC-6-200 | Hooper Bay, Alaska, United States | Gifford Aviation | Serious injuries | - |