Hiller UH-12ET N135HA
3 April 1987 · Big Lake, Minnesota, United States · No injuries
Summary
On 3 April 1987 at about 21:40 local time, a Hiller UH-12ET registered N135HA was involved in an accident near Big Lake, Minnesota, United States. 2 people were on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.
The record
- Date
- at 21:40
- Classification
- Accident
- Location
- Big Lake, Minnesota, United States
- Coordinates
- 45.3298, -93.7402
- Aircraft
- Hiller UH-12ET
- Registration
- N135HA
- Category
- Helicopter
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- CHI87DER03
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 0 | 2 |
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
AIRCRAFT WAS BEING MANEUVERED FOR LANDING ON A GROUND SUPPORT TRAILER WHEN IT EXPERIENCED A POWER FAILURE. DUE TO HIGH TREES AUTOROTATION WAS MADE TO ADJACENT FIELD. AIRCRAFT LANDED ON ROUGH/UNEVEN TERRAIN AND ROLLED OVER. INVESTIGATION REVEALED CONTAMINATED FUEL SYSTEM. APPROXIMATELY ONE GALLON OF A WHITE MILKY SUBSTANCE WAS DRAINED FROM THE SUMP AND ALL MAJOR COMPONENTS OF THE FUEL SYSTEM WERE CONTAMINATED. THE ORIGIN OF THE CONTAMINATION COULD NOT BE DETERMINED.
Quoted verbatim from the NTSB record.
Other Hiller UH-12ET accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 1 May 1990 | Hiller UH-12ET | Brookneal, Virginia, United States | Summit Helicopters, Inc | No injuries | - |
| 4 Aug 1984 | Hiller UH-12ET | Delano, California, United States | - | Serious injuries | - |
| 18 Dec 1984 | Hiller UH-12ET | Hoquiam, Washington, United States | - | Minor injuries | - |
| 30 Jun 1999 | Hiller UH-12ET | Williams, California, United States | Pacific Valley Aviation | No injuries | - |
| 20 Apr 2000 | Hiller UH-12ET | Stonesboro, South Carolina, United States | Henry Haddock | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 28 Mar 1987 | Aeronca 15AC | Hibbing, Minnesota, United States | Swan Lake Flyers | No injuries | - |
| 19 Nov 1987 | Bellanca 7GCAA | Belle Plaine, Minnesota, United States | - | No injuries | - |
| 5 Dec 1987 | Cessna 180 | Carlton, Minnesota, United States | - | No injuries | - |
| 26 Dec 1987 | Cessna 150M | Redwood Falls, Minnesota, United States | Sun Aviation | No injuries | - |
| 15 May 1987 | Cessna 152 | Minneapolis, Minnesota, United States | Flying Scottsman, Inc. | No injuries | - |
| 29 May 1987 | Cessna U206C | Grand Rapids, Minnesota, United States | - | No injuries | - |