# NTSB investigations: Lycoming VO-540 series: Loss of engine power(total) - nonmechanical 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 DFW06CA013](https://openairdocs.org/ntsb/DFW06CA013.md): Hiller UH-12E · Pasadena, TX · Accident · Serious injuries · Data collection · Final report · Oct 23, 2005 · N909BC · Substantial damage > The pilot's inadequate fuel management, which resulted in fuel exhaustion and a loss of engine power. A contributing factor was the lack of suitable terrain for the forced landing. - [NTSB LAX05CA313](https://openairdocs.org/ntsb/LAX05CA313.md): Hiller UH 12-E · Five Points, CA · Accident · No injuries · Data collection · Final report · Sep 22, 2005 · N141HA · Substantial damage > The pilot's failure to refuel the helicopter, which resulted in fuel exhaustion. - [NTSB FTW04LA198](https://openairdocs.org/ntsb/FTW04LA198.md): Bell 47-G2 · La Porte, TX · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 2004 · N7892B · Destroyed > The loss of engine power for undetermined reasons. - [NTSB SEA99LA022](https://openairdocs.org/ntsb/SEA99LA022.md): Hiller UH-12E · Wenatchee, WA · Accident · No injuries · Limited investigation · Final report · Dec 17, 1998 · N893FW · Substantial damage > Fuel exhaustion due to the pilot's failure to accomplish refueling. - [NTSB LAX98LA089](https://openairdocs.org/ntsb/LAX98LA089.md): Hiller UH-12E · Chico, CA · Accident · No injuries · Limited investigation · Final report · Feb 13, 1998 · N4027Z · Substantial damage > Fuel exhaustion due to the pilot's failure to ensure that an adequate fuel supply was onboard. A contributing factor was related to the fuel quantity gage's erroneous indication of fuel. - [NTSB FTW96LA315](https://openairdocs.org/ntsb/FTW96LA315.md): Hiller UH-12E · Mount Holly, AR · Accident · Serious injuries · Limited investigation · Final report · Jul 24, 1996 · N9743C · Substantial damage > Fuel exhaustion due to the pilot's failure to refuel the helicopter. A factor was the lack of suitable terrain for the forced landing. - [NTSB SEA96LA100](https://openairdocs.org/ntsb/SEA96LA100.md): Hiller UH-12 · Walla Walla, WA · Accident · No injuries · Limited investigation · Final report · May 27, 1996 · N174HA · Substantial damage > the pilot's inadequate preflight/planning, and his failure to refuel the helicopter with sufficient fuel before flight, which resulted in fuel exhaustion and a subsequent forced landing. A factor relating to the accident was: an inaccurate fuel quantity… - [NTSB LAX95LA132](https://openairdocs.org/ntsb/LAX95LA132.md): Hiller UH-12E · Five Points, CA · Accident · No injuries · Limited investigation · Final report · Mar 12, 1995 · N172ET · Substantial damage > fuel exhaustion due to the pilot's inattention to the fuel supply. - [NTSB LAX92LA152](https://openairdocs.org/ntsb/LAX92LA152.md): Hiller UH-12E · Watsonville, CA · Accident · No injuries · Limited investigation · Final report · Mar 27, 1992 · N149HA · Substantial damage > A failure of the pilot to conduct an adequate pre-flight inspection of the aircraft to ensure that the fuel supply was free of contaminates. Contributing to this accident was fuel contamination. - [NTSB LAX91LA363](https://openairdocs.org/ntsb/LAX91LA363.md): Bell 47G · Kettleman City, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 1991 · N4062G · Substantial damage > A non-mechanical loss of engine power due to fuel exhaustion by the pilot's improper calculation of the fuel supply and subsequent hard landing. - [NTSB LAX89DUJ09](https://openairdocs.org/ntsb/LAX89DUJ09.md): Hiller UH-12E · Tolleson, AZ · Accident · Minor injuries · Final report · Aug 16, 1989 · N7086 · Substantial damage > An engine failure due to water contamination in the fuel supply which preceded an autorotation and collision with the ground during night time conditions. - [NTSB LAX88DUG06](https://openairdocs.org/ntsb/LAX88DUG06.md): Hiller UH-12E · Thermal, CA · Accident · Minor injuries · Final report · Aug 17, 1988 · N65120 · Substantial damage > Shortly after refueling the helicopter & reloading the hopper, the plt took off & was starting to spray a field when the eng suddenly lost power. The plt said the helicopter was dscndg from about 30 ft when the power loss occurred; thus, he barely had time to… - [NTSB MIA88LA225](https://openairdocs.org/ntsb/MIA88LA225.md): Hiller UH-12E · Clewiston, FL · Accident · No injuries · Limited investigation · Final report · Jul 18, 1988 · N108HA · Substantial damage > The plt stated the fuel gages indicated 20 gals when he took off on spraying flt. He had just completed the spray run & started to pull up from about 10 ft & 25 mph. At that time the eng quit '& sounded just like it would if it ran out of gas'. There was not… - [NTSB FTW88DRA05](https://openairdocs.org/ntsb/FTW88DRA05.md): Hiller UH-12E · La Salle, TX · Accident · No injuries · Final report · Apr 4, 1988 · N4029D · Substantial damage > Acft was substantially damaged during an emergency autorotation following an engine failure while the acft was completing an aerial application maneuver. Acft touched down tail low and the main rotor blades flexed down and cut off the tail boom. Investigation… - [NTSB MIA88LA018](https://openairdocs.org/ntsb/MIA88LA018.md): Bell 47J-2 · Key Colony Bch., FL · Accident · No injuries · Limited investigation · Final report · Oct 24, 1987 · N73201 · Substantial damage > The plt stated that he did not check the fuel system for contaminates after refueling but an eighteen minute flt after refueling was uneventful. He then landed the helicopter, remained on the ground aprx 20 minutes, performed a walk around insp, again without… - [NTSB LAX86FVM08](https://openairdocs.org/ntsb/LAX86FVM08.md): Hiller UH 12E · Gonzales, CA · Accident · No injuries · Final report · Sep 7, 1986 · N149HA · Substantial damage > A loss of power was expereinced as the acft descended into a field at the beginning of an aerial application spray run. The plt initiated a forced landing into the field. During the landing the right skid dug into the field, tipping the helicopter onto its… - [NTSB LAX86LA113](https://openairdocs.org/ntsb/LAX86LA113.md): Hiller UH-12E · Lodi, CA · Accident · No injuries · Limited investigation · Final report · Feb 7, 1986 · N62421 · Substantial damage > While on an aerial agricultural spraying flight the acft engine lost total power. The plt executed an immediate autorotation landing. Upon ground contact, the acft skid for about 8 ft until the front skid contacted the ground furrow and nosed over causing the… - [NTSB LAX84LA194](https://openairdocs.org/ntsb/LAX84LA194.md): Bell 47-G4A · Dixon, CA · Accident · No injuries · Limited investigation · Final report · Feb 24, 1984 · N9017N · Destroyed > The acft crashed during a forced landing after the engine quit. The plt stated that, 'three minutes into the crop dusting mission the engine quit and he suspected fuel mismanagement.' - [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 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 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 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… ## 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') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 353)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=41534&occurrence=353 --- 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.