Hiller UH-12E N8286
6 May 1992 · Milford, Iowa, United States · No injuries
Summary
On 6 May 1992 at about 12:35 local time, a Hiller UH-12E registered N8286, operated by Warren Jackson, was involved in an accident near Milford, Iowa, 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 12:35
- Classification
- Accident
- Location
- Milford, Iowa, United States
- Coordinates
- 43.3205, -95.1501
- Aircraft
- Hiller UH-12E
- Registration
- N8286
- Category
- Helicopter
- Engines
- 1
- Operator
- Warren Jackson
- Operating rule
- Part 137: Agricultural
- Purpose of flight
- Aerial Application
- Phase of flight
- Not recorded
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- CHI92DCD04
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 1 |
Probable cause
A TOTAL LOSS OF ENGINE POWER FOR AN UNDETERMINED REASON AS THE HELICOPTER WAS PERFORMING AERIAL APPLICATION MANEUVERS.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE PILOT OF THE ACCIDENT HELICOPTER REPORTED A COMPLETE LOSS OF ENGINE POWER WHILE PERFORMING AERIAL APPLICATION OF AGRICULTURAL CHEMICALS. THE FAILURE OCCURRED AS HE WAS TURNING TO REVERSE DIRECTION BETWEEN SWATH RUNS. THE PILOT STATED HE RETURNED TO LEVEL FLIGHT AND ENTERED AUTOROTATION. HE STATED HIS MAIN ROTOR RPM WAS LOW WHEN HE APPLIED COLLECTIVE PITCH TO CUSHION THE AUTOROTATIVE LANDING AND THE HELICOPTER LANDED HARD. DURING TOUCHDOWN THE SKID LANDING GEAR COLLAPSED AND THE HELICOPTER ROLLED ONTO ITS RIGHT SIDE. NO MECHANICAL DEFECTS WERE DISCOVERED WHEN THE ENGINE WAS EXAMINED AFTER THE ACCIDENT.
Quoted verbatim from the NTSB record.
Other Hiller UH-12E accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 21 Mar 1992 | Hiller UH-12E | Huron, California, United States | Huron AG Helicopters Inc. | No injuries | - |
| 27 Mar 1992 | Hiller UH-12E | Watsonville, California, United States | Helicair AG Inc. | No injuries | - |
| 26 Sep 1992 | Hiller UH-12E | Coachella, California, United States | West Farm Air, Inc. | No injuries | - |
| 20 Nov 1993 | Hiller UH-12E | Salinas, California, United States | R and B Helicopters Inc. | Minor injuries | - |
| 16 Mar 1993 | Hiller UH-12E | Applegate, Oregon, United States | Croman Corporation | Fatal | 3 |
| 23 Aug 1993 | Hiller UH-12E | Auburn, Washington, United States | Mayse International | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 4 Oct 1992 | Cessna 182C | Marion, Iowa, United States | Paradise Skydivers, Inc. | Minor injuries | - |
| 25 Oct 1992 | Champion 7ECA | Carroll, Iowa, United States | Carroll Flying Service | No injuries | - |
| 27 Oct 1992 | Cessna 172N | Ankeny, Iowa, United States | Todd Flying Service, Inc. | No injuries | - |
| 27 Oct 1992 | Cessna 140 | Waverly, Iowa, United States | Bixby, David G. | No injuries | - |
| 5 Nov 1992 | Piper PA-28-140 | Ames, Iowa, United States | North Star Aviation, Inc. | Serious injuries | - |
| 12 Dec 1992 | Cessna 172 | La Porte City, Iowa, United States | Nichols Aviation, Inc. | No injuries | - |