Hiller UH-12E N169HA
26 April 1989 · Salinas, California, United States · Minor injuries
Summary
On 26 April 1989 at about 19:00 local time, a Hiller UH-12E registered N169HA was involved in an accident near Salinas, California, United States. One person was on board and one had minor injuries. 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 19:00
- Classification
- Accident
- Location
- Salinas, California, United States
- Coordinates
- Not recorded
- Aircraft
- Hiller UH-12E
- Registration
- N169HA
- Category
- Helicopter
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 137: Agricultural
- Purpose of flight
- Aerial Application
- Phase of flight
- Not recorded
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- LAX89DVM02
People
1 person had minor injuries.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 0 | 1 | 0 |
Probable cause
THE SEPARATION OF THE TORSION COUPLING IN THE MAIN ROTOR DRIVE SYSTEM.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
DURING AN AERIAL APPLICATION FLIGHT, THE ENGINE RPM INCREASED AND THE ROTOR RPM DECREASED. THE PILOT AUTOROTATED TO AN OPEN FIELD WHERE AFTER TOUCHDOWN, THE MAIN ROTOR BLADES SEVERED THE TAIL BOOM. INSPECTION OF THE ENGINE REVEALED THAT THE TORSION COUPLING WAS SEPARATED IN THE MAIN ROTOR DRIVE SYSTEM.
Quoted verbatim from the NTSB record.
Other Hiller UH-12E accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 29 Nov 1989 | Hiller UH-12E | Raymond, Washington, United States | Glacier Helicopters | No injuries | - |
| 9 Mar 1989 | Hiller UH-12E | Golden, Colorado, United States | Harry G. Laforge | No injuries | - |
| 11 Oct 1989 | Hiller UH-12E | Yuma, Arizona, United States | West Farm Air Inc. | Serious injuries | - |
| 16 Aug 1989 | Hiller UH-12E | Tolleson, Arizona, United States | Moseley Aviation, Inc. | Minor injuries | - |
| 13 May 1989 | Hiller UH-12E | Mack, Colorado, United States | - | Serious injuries | - |
| 28 Sep 1989 | Hiller UH-12E | Hudsonville, Michigan, United States | - | Minor injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 15 Sep 1989 | Piper PA-31-350 | Ontario, California, United States | Ameriflight | Fatal | 1 |
| 26 Sep 1989 | Piper PA-25-235 | Warner Springs, California, United States | - | No injuries | - |
| 19 Sep 1989 | Cessna 310K | Ojai, California, United States | - | Fatal | 2 |
| 30 Sep 1989 | Cessna 182 | Eureka, California, United States | Nothern Air | No injuries | - |
| 30 Sep 1989 | Cessna 152 | Lancaster, California, United States | West Coast Air Center | Fatal | 2 |
| 29 Sep 1989 | Bellanca 17-30A | Palo Alto, California, United States | Klouda, Linda K. | Minor injuries | - |