# NTSB investigations: Hiller UH-12E, 1983 NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB LAX84LA010](https://openairdocs.org/ntsb/LAX84LA010.md): Hiller UH12E · Los Banos, CA · Accident · No injuries · Limited investigation · Final report · Oct 10, 1983 · N4026G · Substantial damage > The plt loaded the helicopter & started a spraying operation. He stated that as he pulled the helicopter up from the 1st spray run, it started shaking & went partially out of control. He was able to regain enough control to get the helicopter in level flt… - [NTSB SEA84LA002](https://openairdocs.org/ntsb/SEA84LA002.md): Hiller UH12-E · Tenino, WA · Accident · No injuries · Limited investigation · Final report · Oct 2, 1983 · N401HA · Substantial damage > The plt visually checked the fuel tanks prior to takeoff & thought he had seen fuel in the tanks. The fuel gauges were inoperative & he was using timing as a method to determine the remaining fuel. Aprx 5 min after takeoff, the eng lost power as he was lining… - [NTSB ANC83LA172](https://openairdocs.org/ntsb/ANC83LA172.md): Hiller-Soloy UH12E · Cape Yakataga, AK · Accident · No injuries · Limited investigation · Final report · Sep 15, 1983 · N3324F · Substantial damage > The helicopter rolled over during a forced landing on a beach after the engine quit. Discussions with the plt owner of the company verified that the acft had run out of fuel. The owner had warned his pilots to visually check fuel on the helicopters due to… - [NTSB ATL83LA355](https://openairdocs.org/ntsb/ATL83LA355.md): Hiller UH-12E · Cameron, SC · Accident · No injuries · Limited investigation · Final report · Sep 5, 1983 · N4029R · Substantial damage > The plt stated that he was on a trimming/swath run at about 15 ft AGL & 15 mph when he heard a strange noise which was followed by a 180 deg yaw. Subsequently, the helicopter crash landed, damaging the tail boom & tail rotor blades and spreading the landing… - [NTSB MKC83LA207](https://openairdocs.org/ntsb/MKC83LA207.md): Hiller UH-12E · Corwith, IA · Accident · Minor injuries · Limited investigation · Final report · Aug 31, 1983 · N173HA · Destroyed > While en route, the plt heard a clanking noise behind him which was followed by a severe vibration of the flt controls. He initiated an autorotative descent from 3000 ft. he said the helicopter began to roll left, then righted itself. The helicopter touched… - [NTSB DEN83LA204](https://openairdocs.org/ntsb/DEN83LA204.md): Hiller UH-12E · Manning, ND · Accident · No injuries · Limited investigation · Final report · Aug 31, 1983 · N400AH · Substantial damage > The acft collided with the ground after an eng failure while stringing power lines. The acft was in a right side low, nose high attitude pulling a wire attached to the left side of the acft. The wind was from the right rear quarter when the loss of power… - [NTSB LAX83LA360](https://openairdocs.org/ntsb/LAX83LA360.md): Hiller 12E · Los Banos, CA · Accident · No injuries · Limited investigation · Final report · Jul 27, 1983 · N9770C · Destroyed > The plt had dropped off a flagman in an area to be sprayed, & had just departed & obtained translational lift when the eng lost power. The acft touched down in a freshly irrigated cotton field, rolled over inverted & burst into flames. The 'b' nut which… - [NTSB CHI83LA321](https://openairdocs.org/ntsb/CHI83LA321.md): Hiller UH-12E · Brooklyn Park, MN · Accident · No injuries · Limited investigation · Final report · Jul 18, 1983 · N120NR · Substantial damage > The plt reported that he was spraying the end rows of a field when the helicopter approached some wires. He stated that he saw the wires at the last second & tried to get under them. Reportedly, the helicopter crossed below a set of power lines, but struck a… - [NTSB LAX83LUQ04](https://openairdocs.org/ntsb/LAX83LUQ04.md): Hiller UH 12-E · Lancaster, CA · Accident · No injuries · Final report · Jul 8, 1983 · N64861 · Substantial damage > According to the pilot, after spraying an onion field he was departing for the next job when he noted an increase in engine RPM and a decrease in rotor RPM. Unable to maintain altitude, he made an emergency landing aprx 200 feet AGL. Prior to landing, the… - [NTSB CHI83LA297](https://openairdocs.org/ntsb/CHI83LA297.md): Hiller UH-12E · Brooten, MN · Accident · No injuries · Limited investigation · Final report · Jul 5, 1983 · N4028K · Substantial damage > The helicopter had just lifted off of the flatbed of a truck when it started to spin. The plt lowered the collective, reduced the power & landed beside the truck. During touchdown, the main rotor blades struck the truck. An investigation revealed that the… - [NTSB LAX83LA296](https://openairdocs.org/ntsb/LAX83LA296.md): Hiller UH12E · San Diego, CA · Accident · Serious injuries · Limited investigation · Final report · Jun 23, 1983 · N4036A · Substantial damage > The helicopter rolled over during an autorotative forced landing after a power loss. Prior to departure on the day of the accident the plt said he checked the fuel quantity on the acft. Takeoff was at about 1222 PDT. At 1256 PDT the plt arrived at destination… - [NTSB LAX83LA236](https://openairdocs.org/ntsb/LAX83LA236.md): Hiller UH-12E · Thermal, CA · Accident · No injuries · Limited investigation · Final report · May 18, 1983 · N4027L · Substantial damage > The plt reported that he was aprx 1/3 of the way thru a procedure turn at about 60 ft AGL, when he experienced a partial power loss. He completed the turn, leveled the helicopter & moumentarily regained complete power, then the engine quit operating. An… - [NTSB FTW83LA217](https://openairdocs.org/ntsb/FTW83LA217.md): Hiller UH-12E · Quanah, TX · Accident · No injuries · Limited investigation · Final report · May 3, 1983 · N138HA · Substantial damage > The helicopter was being used to search for cattle. As the plt was looking down through some bushes for cattle, the m/r blade hit a powerline wire about 25 ft AGL. - [NTSB LAX83LA181](https://openairdocs.org/ntsb/LAX83LA181.md): Hiller UH12-E · Kettleman City, CA · Accident · No injuries · Limited investigation · Final report · Apr 7, 1983 · N68024 · Substantial damage > The pilot reported that he began flying about 0725 with 23 gallons of fuel on board. He applied a herbicide for about an hour and came back to reload. After reloading he began a return to the area to be sprayed. About 10 minutes later all power was lost.… - [NTSB LAX83LA069](https://openairdocs.org/ntsb/LAX83LA069.md): Hiller UH-12E · Near Vacaville, CA · Accident · No injuries · Limited investigation · Final report · Jan 8, 1983 · N4027D · Substantial damage > The aircraft collided with a telephone wire during takeoff. The pilot made a precautionary landing on the soft bank of a levee to assess the damage and left the rotor at idle. The levee bank gave way and the helicopter slid into the ditch where the rotor… ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE year(c."eventDate") = 1983 AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4360122', '4360137')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=4360122&year=1983 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.