# NTSB investigations: Lycoming VO-540 series: In flight collision with object 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 LAX05LA187](https://openairdocs.org/ntsb/LAX05LA187.md): Bell 47G-4A · Bakersfield, CA · Accident · Serious injuries · Limited investigation · Final report · May 25, 2005 · N110DT · Destroyed > the pilot's inadequate visual lookout and failure to maintain clearance from the power lines. - [NTSB LAX03CA284](https://openairdocs.org/ntsb/LAX03CA284.md): Hiller UH12E · Kekaha, HI · Accident · No injuries · Data collection · Final report · Sep 9, 2003 · N9792C · Substantial damage > the pilot's failure to maintain clearance with the wires due to an inadequate visual lookout. - [NTSB NYC02LA090](https://openairdocs.org/ntsb/NYC02LA090.md): Bell 47J-2A · Blairstown, NJ · Accident · No injuries · Limited investigation · Final report · May 1, 2002 · N37731 · Substantial damage > The pilot's improper flare, and his failure to maintain obstacle clearance which resulted in a tail strike. - [NTSB LAX01LA276](https://openairdocs.org/ntsb/LAX01LA276.md): Bell 47G-4A · Strathmore, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 11, 2001 · N4262Y · Destroyed > The pilot's inadequate visual lookout while maneuvering during an aerial application flight. - [NTSB LAX00LA107](https://openairdocs.org/ntsb/LAX00LA107.md): Hiller H-12E · Byron, CA · Accident · Minor injuries · Limited investigation · Final report · Feb 21, 2000 · N61PC · Substantial damage > The pilot's inadequate visual lookout while maneuvering in proximity to wires. A contributing factor was the sun glare, which reduced the wire's conspicuity. - [NTSB LAX00LA077](https://openairdocs.org/ntsb/LAX00LA077.md): Hiller UH-12E · Five Points, CA · Accident · No injuries · Limited investigation · Final report · Jan 26, 2000 · N68024 · Substantial damage > The pilot's inadequate clearance while maneuvering beneath a telephone line. - [NTSB LAX00LA027](https://openairdocs.org/ntsb/LAX00LA027.md): Hiller UH-12E · Castroville, CA · Accident · Serious injuries · Limited investigation · Final report · Oct 28, 1999 · N5374V · Substantial damage > The pilot's inadequate visual lookout and diverted attention. - [NTSB MIA94LA216](https://openairdocs.org/ntsb/MIA94LA216.md): Bell 47G-2A · Moore Haven, FL · Accident · No injuries · Limited investigation · Final report · Sep 23, 1994 · N30JJ · Destroyed > The pilot-in-command's failure to maintain a visual lookout while maneuvering on a swath run, resulting in an in-flight collision with wires, and subsequent in-flight collision with terrain. - [NTSB CHI94LA191](https://openairdocs.org/ntsb/CHI94LA191.md): Hiller HU-12E · Watertown, SD · Accident · 1 fatal · Limited investigation · Final report · Jun 23, 1994 · N330CW · Destroyed > the pilot's failure to maintain a visual lookout. A factor associated with the accident was the powerlines. - [NTSB LAX93LA166](https://openairdocs.org/ntsb/LAX93LA166.md): Bell 47G2A · Pacific Ocean (Pacific Ocean) · Accident · 1 fatal · Limited investigation · Final report · Mar 24, 1993 · N8493E · Minor damage > The passenger's failure to adhere to the pilot's instructions. Factors which contributed to the accident were: the language/communications difficulty between the pilot & the passenger, and the bird strike. - [NTSB NYC92FA117](https://openairdocs.org/ntsb/NYC92FA117.md): Bell 47-G4A · Shelburne Falls, MA · Accident · 3 fatal · Field investigation · Final report · Jun 16, 1992 · N1041B · Destroyed > The pilot's failure to maintain adequate obstacle clearance. Contributing was inadequate altitude. - [NTSB DEN87LA204](https://openairdocs.org/ntsb/DEN87LA204.md): Bell 47J-2 · Canon City, CO · Accident · No injuries · Limited investigation · Final report · Jul 30, 1987 · N73265 · Substantial damage > The ATP plt was flying sightseeing rides. There were two adults and two children in the four passenger helicopter. Density altitude was 10000 feet. The acft lost pwr and the plt aborted takeoff and landed. After an eng runup the plt took off again and the… - [NTSB FTW86LA167](https://openairdocs.org/ntsb/FTW86LA167.md): Hiller UH-12E · Norias, TX · Accident · No injuries · Limited investigation · Final report · Sep 13, 1986 · N40268 · Substantial damage > The commercial plt was engaged in a livestock round-up and attempted to hover over a wire fence. The acft skid caught on the fence causing a loss of acft control and subsequent impact with the terrain. - [NTSB NYC84LA212](https://openairdocs.org/ntsb/NYC84LA212.md): Hiller 12E · Meadville, PA · Accident · No injuries · Limited investigation · Final report · Jun 17, 1984 · N4033P · Substantial damage > The acft flew into wires during a crop spraying mission. The acft was flying at about 5-10 ft when a flash was seen overhead. The acft vibrated and slowed before impacting the ground and rolling over. - [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 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 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… ## 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" = 220)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=41534&occurrence=220 --- 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.