Hiller UH-12C N54594
28 November 1994 · Twisp, Washington, United States · No injuries
Summary
On 28 November 1994 at about 22:40 local time, a Hiller UH-12C registered N54594 was involved in an accident near Twisp, Washington, United States. One person was 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 22:40
- Classification
- Accident
- Location
- Twisp, Washington, United States
- Nearest airport
- Twisp Municipal (2S0)
- Coordinates
- 48.3191, -119.9302
- Aircraft
- Hiller UH-12C
- Registration
- N54594
- Category
- Helicopter
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Instructional
- Phase of flight
- Not recorded
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- SEA95LA022
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 1 |
Probable cause
AN UNEXPLAINED LOSS OF POWER AND THE STUDENT PILOT'S DELAYED APPLICATION OF COLLECTIVE DURING THE LANDING FLARE.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
WHEN THE STUDENT PILOT APPLIED POWER DURING THE LANDING FLARE OF A PRACTICE AUTO ROTATION THE ENGINE DID NOT RESPOND. HE THEN TRANSITIONED TO A FULL AUTOROTATION BUT WAS LATE APPLYING COLLECTIVE TO FLARE BEFORE TOUCHDOWN AND A MAIN ROTOR BLADE IMPACTED THE TAILBOOM. NO MECHANICAL MALFUNCTION OF THE HELICOPTER'S POWERPLANT WAS DISCOVERED.
Quoted verbatim from the NTSB record.
Other Hiller UH-12C accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 3 Jul 1995 | Hiller UH-12C | Rio Vista, California, United States | Whirlybirds Inc | No injuries | - |
| 6 Sep 1995 | Hiller UH-12C | Porterville, California, United States | - | Minor injuries | - |
| 7 Mar 1995 | Hiller UH-12C | Bonners Ferry, Idaho, United States | - | No injuries | - |
| 20 May 1993 | Hiller UH-12C | Sarasota, Florida, United States | Jocher, Arthur H. | No injuries | - |
| 21 Dec 1992 | Hiller UH-12C | New Smyrna Bch, Florida, United States | Vintage Props & Jets Inc. | No injuries | - |
| 24 Aug 1992 | Hiller UH-12C | Concrete, Washington, United States | Westlund, Jack M. | Minor injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 7 May 1994 | Aero Commander S2R | Dayton, Washington, United States | AG Air Inc. | No injuries | - |
| 28 May 1994 | Rockwell S-2R | Touchet, Washington, United States | Garbe, Duane M. and Carol A. | Minor injuries | - |
| 1 Jun 1994 | Kopp KITFOX II | Bremerton, Washington, United States | - | Minor injuries | - |
| 28 May 1994 | Wray KR-2 | Puyallup, Washington, United States | Wray, Rick L. | No injuries | - |
| 10 Jun 1994 | Hughes 369D | Snoqualmie, Washington, United States | Highline Helicopters | No injuries | - |
| 14 Jun 1994 | Hiller-Soloy UH-12L4 | Clarkston, Washington, United States | Pope, James R. | Minor injuries | - |