# NTSB investigations: Lycoming VO-540 series 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. Page 4 of 8 · 376 cases ## Cases, newest first - [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 LAX83FA462](https://openairdocs.org/ntsb/LAX83FA462.md): Bell 47G-4G · Lodi, CA · Accident · No injuries · Field investigation · Final report · Sep 28, 1983 · N7956S · Destroyed > During takeoff, the helicopter lost power after climbing aprx 20 ft. the plt made an autorotative landing, but after touchdown, the helicopter slid down a river bank, rolled over & began burning. The fuel tanks did not rupture & still contained fuel. When… - [NTSB ATL83LA379](https://openairdocs.org/ntsb/ATL83LA379.md): Bell 47G-4A · Wise, VA · Accident · Minor injuries · Limited investigation · Final report · Sep 25, 1983 · N1400W · Substantial damage > The plt held a commercial certificate, but was a student in helicopter flying. He had over 15,000 hrs total time in airplanes, but only aprx 13 hrs of experience in helicopters. On his 1st solo flt in a helicopter, he was making approaches to a grassy area… - [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 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 CHI83LA292](https://openairdocs.org/ntsb/CHI83LA292.md): Bell 47G-4A · Wheeler, IL · Accident · No injuries · Limited investigation · Final report · Jul 5, 1983 · N7069J · Substantial damage > The plt reported that while he was returning for another load of chemicals, the eng missed a couple of times, then smoothed out for about 1 min. After that, the eng missed again, then quit while the helicopter was at aprx 150 ft AGL. The plt chose to clear… - [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 ATL83LA160](https://openairdocs.org/ntsb/ATL83LA160.md): Bell 47G-4A · Charleston, WV · Accident · No injuries · Limited investigation · Final report · Apr 13, 1983 · N4749R · Substantial damage > During an approach to land, the engine lost power at aprx 500 ft AGL. The plt reported that during an autorotative landing, he had to maneuver to avoid trees & a ridge in order to land in a suitable area. During this time, rotor RPM dropped & a crash landing… - [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 LAX83FA087](https://openairdocs.org/ntsb/LAX83FA087.md): Bell 47G4 · Five Points, CA · Accident · Minor injuries · Field investigation · Final report · Feb 3, 1983 · N4262Y · Destroyed > The pilot was on his final pass of the operation. He flew under 2 sets of wires but failed to see a third set. The spray boom caught on the the wire pitching the helicopter nose down. The main rotor hit the tail boom and the helicoptercrashed into a canal. - [NTSB MIA82DA181](https://openairdocs.org/ntsb/MIA82DA181.md): Bell 47G4 · Madison, FL · Accident · Minor injuries · Final report · Sep 13, 1982 · N1151W · Substantial damage > The eng did not respond when power was added beginning a swath run. The plt hit the dump button to jettison the load & collided with the ground. Eng teardown revealed no evidence of failure or malfunction prior to the accident. - [NTSB LAX82DA306](https://openairdocs.org/ntsb/LAX82DA306.md): Hiller UH-12E · Chandler, AZ · Accident · No injuries · Final report · Aug 20, 1982 · N4026S · Substantial damage > The pilot was spraying liquid chemicals at night. The pilot flew into his own wake turbulence and lost control and collided with the ground. Control was regained to make an upright landing in the field. Skids were torn off the aircraft. - [NTSB MKC82DA135](https://openairdocs.org/ntsb/MKC82DA135.md): Bell 47J-2 · Chesterfield, MO · Accident · No injuries · Final report · Jul 31, 1982 · N4070B · Substantial damage > The pilot stated that he took off and was going through translational lift at about 15 to 20 ft AGL when he heard a loud bang. He said the loud bang was accompanied by a power loss. An immediate descent was made and the helicopter was landed hard with a… - [NTSB ATL82DA214](https://openairdocs.org/ntsb/ATL82DA214.md): Hiller UH-12E · Centre, AL · Accident · No injuries · Final report · Jul 13, 1982 · N28872 · Substantial damage > While returning from a spraying operation, the pilot was flying low toward the rising sun when the helicopter collided with power lines. An autorotation was initiated, but the skids collapsed during the landing. - [NTSB LAX82FA245](https://openairdocs.org/ntsb/LAX82FA245.md): Hiller UH-12L3 · Stockton, CA · Accident · No injuries · Field investigation · Final report · Jul 1, 1982 · N86689 · Substantial damage > The pilot reported that the engine lost power at about 5 ft AGL as he was taking off from a trailer. He turned to avoid a gas and water tank near the poll truck. The helicopter came to rest, right-side-up, but was damaged. A fuel leak was found in a line that… - [NTSB MIA82DA133](https://openairdocs.org/ntsb/MIA82DA133.md): Bell 47G-4 · N. Greenville, FL · Accident · No injuries · Final report · Jun 11, 1982 · N1151W · Substantial damage > The pilot took off at about 1922 to dispense a non-toxic liquid chemical and fertilizer on a nearby melon field. After one normal swath run on a northerly heading, he pulled up and began a procedure turn to the left (west). He stated the afternoon sun… - [NTSB MIA82DA125](https://openairdocs.org/ntsb/MIA82DA125.md): Bell 47J-2A · Marathon, FL · Accident · No injuries · Final report · May 29, 1982 · N73268 · Destroyed > The pilot reported that an intermittent vibration was felt during the magneto check before takeoff. During a second magneto check at high power, the nose of the helicopter came up, a loud explosive noise was heard, and a fire erupted near the left fuel tank.… - [NTSB LAX82DVA14](https://openairdocs.org/ntsb/LAX82DVA14.md): Hiller UH-12E · Chowchilla, CA · Accident · Serious injuries · Final report · Apr 15, 1982 · N67156 · Destroyed > The pilot was conducting an aerial dusting operation over a grape vineyard. While on a swath run, he gradually converged on a powerline that crossed the field at a slight angle from his flight path. As he proceeded on his swath run, the helicopter got closer… - [NTSB ATL82DA073](https://openairdocs.org/ntsb/ATL82DA073.md): Hiller UH12E · Lydia, SC · Accident · No injuries · Final report · Mar 17, 1982 · N4029R · Substantial damage > The pilot was applying liquid fertilizer on his last swath run prior to reloading when the engine stopped. A run-on landing was attempted during which the skids sank into the soft ground causing the helicopter to roll over. The field was level and covered… - [NTSB LAX82FVG10](https://openairdocs.org/ntsb/LAX82FVG10.md): Hiller Acft UH-12E · Angels Camp, CA · Accident · No injuries · Closed · Dec 10, 1981 · N93478 · Substantial damage - [NTSB FTW82DRG16](https://openairdocs.org/ntsb/FTW82DRG16.md): Bell 47G-4A · Encinal, TX · Accident · No injuries · Closed · Dec 9, 1981 · N8573F · Substantial damage - [NTSB FTW82DRG07](https://openairdocs.org/ntsb/FTW82DRG07.md): Bell 47G-4A · Telegraph, TX · Accident · No injuries · Closed · Nov 2, 1981 · N62446 · Substantial damage - [NTSB LAX81DJA01](https://openairdocs.org/ntsb/LAX81DJA01.md): Hiller Acft UH-12E · Kahului Maui, HI · Accident · No injuries · Closed · Oct 18, 1981 · N119HA · Substantial damage - [NTSB LAX82DVA05](https://openairdocs.org/ntsb/LAX82DVA05.md): Bell 47G-4A · Wasco, CA · Accident · No injuries · Closed · Oct 16, 1981 · N7NB · Substantial damage - [NTSB LAX81FVD43](https://openairdocs.org/ntsb/LAX81FVD43.md): Hiller Acft UH-12E · Brentwood, CA · Accident · Minor injuries · Closed · Sep 8, 1981 · N62392 · Substantial damage - [NTSB LAX81DVA51](https://openairdocs.org/ntsb/LAX81DVA51.md): Hiller Acft UH-12E · Delano, CA · Accident · No injuries · Closed · Jun 27, 1981 · N174HA · Substantial damage - [NTSB ATL81DA085](https://openairdocs.org/ntsb/ATL81DA085.md): Bell 47G-4 · Jackson, MS · Accident · No injuries · Closed · Jun 24, 1981 · N1198W · Substantial damage - [NTSB FTW81FPG50](https://openairdocs.org/ntsb/FTW81FPG50.md): Hiller Acft UH-12E · Warren, AR · Accident · No injuries · Closed · Jun 21, 1981 · N178HA · Substantial damage - [NTSB LAX81DVM24](https://openairdocs.org/ntsb/LAX81DVM24.md): Hiller Acft UH-12E · Shandon, CA · Accident · No injuries · Closed · Jun 15, 1981 · N40277 · Substantial damage - [NTSB MKC81FCG36](https://openairdocs.org/ntsb/MKC81FCG36.md): Bell 47J-2 · Branson, MO · Accident · No injuries · Closed · May 26, 1981 · N73265 · Substantial damage - [NTSB LAX81FJA10](https://openairdocs.org/ntsb/LAX81FJA10.md): Hiller Acft UH-12E · Lahaina, HI · Accident · No injuries · Closed · May 26, 1981 · N4027G · Substantial damage - [NTSB SEA81FA035](https://openairdocs.org/ntsb/SEA81FA035.md): Bell 47G-4A · Aberdeen, WA · Accident · 2 fatal · Closed · May 19, 1981 · N9457 · Destroyed - [NTSB LAX81FVA28](https://openairdocs.org/ntsb/LAX81FVA28.md): Hiller Acft UH12E · Huron, CA · Accident · No injuries · Closed · Mar 11, 1981 · N169HA · Substantial damage - [NTSB DEN81DTG03](https://openairdocs.org/ntsb/DEN81DTG03-201169.md): Hiller Acft UH-12E · Watford City, ND · Accident · No injuries · Closed · Nov 21, 1980 · N5343V · Substantial damage - [NTSB ANC80DAD10](https://openairdocs.org/ntsb/ANC80DAD10.md): Hiller Acft UH-12E · Petersburg, AK · Accident · No injuries · Closed · Aug 23, 1980 · N9784C · Substantial damage - [NTSB CHI80FEX31](https://openairdocs.org/ntsb/CHI80FEX31.md): Hiller Acft UH-12E · Milan, IN · Accident · No injuries · Closed · Aug 19, 1980 · N492HS · Substantial damage - [NTSB DEN80DTC28](https://openairdocs.org/ntsb/DEN80DTC28.md): Hiller UH-12E · Greybull, WY · Accident · No injuries · Closed · Aug 8, 1980 · N5389V · Substantial damage - [NTSB CHI80FEX29](https://openairdocs.org/ntsb/CHI80FEX29.md): Hiller Acft UH-12E · Elrod, IN · Accident · No injuries · Closed · Aug 6, 1980 · N62421 · Substantial damage - [NTSB LAX80DUJ91](https://openairdocs.org/ntsb/LAX80DUJ91.md): Hiller Acft UH-12E · Sommerton, AZ · Accident · No injuries · Closed · Jul 31, 1980 · N9278Z · Substantial damage - [NTSB LAX80FVA56](https://openairdocs.org/ntsb/LAX80FVA56.md): Hiller Acft UH-12E · Farmersville, CA · Accident · No injuries · Closed · Jul 26, 1980 · N67116 · Destroyed - [NTSB ATL80FIJ02](https://openairdocs.org/ntsb/ATL80FIJ02.md): Hiller Acft UH-12E · Oak Hill, WV · Accident · No injuries · Closed · May 12, 1980 · N40289 · Substantial damage - [NTSB LAX80FVA03](https://openairdocs.org/ntsb/LAX80FVA03-201195.md): Hiller UH-12E · Mendota, CA · Accident · Serious injuries · Closed · Oct 17, 1979 · N4414 · Substantial damage - [NTSB LAX79FA081](https://openairdocs.org/ntsb/LAX79FA081.md): Bell 47J-2 · Long Beach, CA · Accident · 5 fatal · Closed · Sep 14, 1979 · N930NR · Destroyed - [NTSB FTW79FRD52](https://openairdocs.org/ntsb/FTW79FRD52.md): Bell 47G-4A · Hackberry, LA · Accident · No injuries · Closed · Sep 6, 1979 · N7104J · Substantial damage - [NTSB FTW79FRG52](https://openairdocs.org/ntsb/FTW79FRG52.md): Bell 47G-4A · Alice, TX · Accident · No injuries · Closed · Aug 24, 1979 · N8573F · Substantial damage - [NTSB FTW79FRD50](https://openairdocs.org/ntsb/FTW79FRD50.md): Bell 47G-4A · Lafayette, LA · Accident · No injuries · Closed · Aug 19, 1979 · N1400W · Substantial damage - [NTSB FTW79FRA34](https://openairdocs.org/ntsb/FTW79FRA34.md): Bell 47G-4 · Manvel, TX · Accident · No injuries · Closed · Jun 29, 1979 · N1150W · Substantial damage - [NTSB FTW79FPJ26](https://openairdocs.org/ntsb/FTW79FPJ26.md): Hiller UH12L4 · Elk City, OK · Accident · Minor injuries · Closed · Jun 22, 1979 · N90453 · Substantial damage - [NTSB MIA79FKJ42](https://openairdocs.org/ntsb/MIA79FKJ42.md): Hiller UH-12E · Verbena, AL · Accident · Serious injuries · Closed · Jun 8, 1979 · N87600 · Substantial damage - [NTSB LAX79DVA42](https://openairdocs.org/ntsb/LAX79DVA42.md): Hiller UH-12E · Porterville, CA · Accident · Minor injuries · Closed · Jun 8, 1979 · N5335V · Destroyed Next page: https://openairdocs.org/ntsb.md?engine=41534&page=5 ## 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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41534', '41582')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=41534&page=4 --- 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.