Hiller FH1100 N746FH
4 June 1994 · Tyonek, Alaska, United States · No injuries
Summary
On 4 June 1994 at about 04:30 local time, a Hiller FH1100 registered N746FH was involved in an accident near Tyonek, Alaska, United States. 4 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 04:30
- Classification
- Accident
- Location
- Tyonek, Alaska, United States
- Coordinates
- 61.0809, -151.1609
- Aircraft
- Hiller FH1100
- Registration
- N746FH
- Category
- Helicopter
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Route
- Alexander Cr → Unknown
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- ANC94LA064
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 4 | 0 | 0 | 0 | 4 |
Probable cause
THE PILOT'S SELECTION OF UNSUITABLE TERRAIN FOR LANDING WHICH RESULTED IN A DYNAMIC ROLLOVER. A FACTOR WAS THE SOFT LANDING AREA SELECTED.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE PILOT STATED HE LANDED ON THE RIVER BANK, AND AFTER REDUCING COLLECTIVE TO FLAT PITCH, THE RIVER BANK 'SLOUGHED OFF' UNDER THE RIGHT SKID, AND THE HELICOPTER ROLLED OVER ONTO ITS RIGHT SIDE INTO THE THEODORE RIVER. HE STATED HE HAD ALREADY REDUCED POWER AND WAS UNABLE TO CORRECT FOR THE ROLL RATE DUE TO DYNAMIC ROLLOVER.
Quoted verbatim from the NTSB record.
Other Hiller FH1100 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 18 Oct 1981 | Hiller FH1100 | Porte Barre, Louisiana, United States | High Life Heli | Fatal | 1 |
| 6 Sep 1979 | Hiller FH1100 | Arlington, Washington, United States | Northwest Heli | Serious injuries | - |
| 19 Sep 1979 | Hiller FH1100 | Champlain, Virginia, United States | D and G Air SE | Serious injuries | - |
| 1 Dec 1978 | Hiller FH1100 | West Columbia, South Carolina, United States | South Carolina | No injuries | - |
| 14 Jul 1978 | Hiller FH1100 | Clearlake, Washington, United States | Emco Helicopte | Fatal | 1 |
| 11 May 1977 | Hiller FH1100 | Oakley, Kansas, United States | Keller Bros | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 10 Sep 1994 | Piper PA-18-150 | Gulkana, Alaska, United States | Maynard, Roger L. | No injuries | - |
| 8 Sep 1994 | Piper PA-12 | Nondalton, Alaska, United States | Alaska Safari, Inc. | No injuries | - |
| 13 Sep 1994 | Cessna 140 | Willow, Alaska, United States | Moore, Charles D. | No injuries | - |
| 15 Sep 1994 | Piper PA-18-150 | Port Alsworth, Alaska, United States | 4W Air | No injuries | - |
| 13 Sep 1994 | Piper PA-18 | Kodiak, Alaska, United States | Hulbert, Ward A. | No injuries | - |
| 19 Aug 1994 | Cessna 182B | Ketchikan, Alaska, United States | Charlton, Albert J. | No injuries | - |