# NTSB investigations: Lycoming VO-435 series, 1985 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 CHI86FA017](https://openairdocs.org/ntsb/CHI86FA017.md): Bell 47G-5 · Plainfield, WI · Accident · 1 fatal · Field investigation · Final report · Oct 27, 1985 · N7840S · Destroyed > The acft crashed into trees and nosed into the wooded terrain after a loss of powr. The helicopter had been refueled the day before the acc. Normal fuel load was 20 gals. The plt had sprayed 20 acres & flown 9 miles to another field to spray but aborted due… - [NTSB LAX86FUM01](https://openairdocs.org/ntsb/LAX86FUM01.md): Bell 47 G-5 · Yuma, AZ · Accident · Minor injuries · Final report · Oct 22, 1985 · N7907S · Destroyed > The pilot was hovering after a night takeoff and collided with an electrical power line. - [NTSB LAX86LUG01](https://openairdocs.org/ntsb/LAX86LUG01.md): Texas Helicopter M74A · Daggett, CA · Accident · No injuries · Final report · Oct 19, 1985 · N51862 · Substantial damage > The plt stated he had just lifted off for a fertilizer spreading operation with an external load bucket, when the eng had a partial pwr loss at 100 ft AGL. A descent was started and the bucket was disengaged. However, while the plt was attempting to land the… - [NTSB CHI85FEV04](https://openairdocs.org/ntsb/CHI85FEV04.md): Hiller UH-12D · Breese, IL · Accident · No injuries · Final report · Sep 24, 1985 · N67182 · Substantial damage > The plt reported that the eng began losing power while he was en route at an alt of aprx 200 ft AGL. He turned & initiated an autorotation to a road construction site. The helicopter landed tail low. Subsequently, the tail boom was chopped off & the… - [NTSB LAX85LA344](https://openairdocs.org/ntsb/LAX85LA344.md): Bell 47G-2 · Big Bear City, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 12, 1985 · N2899B · Substantial damage > On August 12, 1985, a Bell 47G2 helicopter collided with a yucca tree and rolled over during a landing near Big Bear City, CA. The acft sustained substantial damage and the plt and his two passengers were not injured. The purpose of the flight was a aerial… - [NTSB CHI85LA338](https://openairdocs.org/ntsb/CHI85LA338.md): Bell 47G-5 · Pickett, WI · Accident · No injuries · Limited investigation · Final report · Aug 7, 1985 · N1476W · Substantial damage > The fld where this accident occurred had been sprayed one week prior to the accident by a fixed-wing acft at an alt of 20 ft. no wires were noted to be a hazard at that time. On the day of the accident the plt of the helicopter was talking to a spotter on the… - [NTSB MIA85LA223](https://openairdocs.org/ntsb/MIA85LA223.md): Bell 47G-2 · Ochopee, FL · Accident · No injuries · Limited investigation · Final report · Aug 1, 1985 · N88AR · Substantial damage > The plt stated that he dropped his passenger off at a water station in the everglades, water taxied away from the station, accellerated up to 3100 RPM & just before he added collective pitch the transmission ass'y departed the helicopter, it rolled to the… - [NTSB CHI85FA301](https://openairdocs.org/ntsb/CHI85FA301.md): Bell 47G2A1 · Brook, IN · Accident · 1 fatal · Field investigation · Final report · Jul 20, 1985 · N1345A · Destroyed > The helicopter contacted the terrain in a flat attitude and rolled over during an autorotative landing. A witness stated an autorotation was entered at 800 ft AGL during which the plt made a 360 deg descending turn. An application of pwr was heard at an alt… - [NTSB CHI85FEX04](https://openairdocs.org/ntsb/CHI85FEX04.md): Texas Helicopter OH13E/M74 · Veedersburg, IN · Accident · Serious injuries · Final report · Jul 17, 1985 · N10000 · Destroyed > The acft was destroyed during a hard forced landing in a soybean fld following a loss of pwr. Inspection of the helicopter revealed the carburetor, fuel filter and fuel tank were void of fuel. The plt received received serious injuries during the accident and… - [NTSB FTW85LA288](https://openairdocs.org/ntsb/FTW85LA288.md): Bell 47G-5 · Crane, TX · Accident · No injuries · Limited investigation · Final report · Jul 16, 1985 · N8197J · Destroyed > The helicopter was being operated from a flat bed trailer. The plt stated he had lifted to a 3 foot hover when the eng stopped. The helicopter suddenly rotated about 45 degs before he could stop it. The plt attempted to make an autorotation touchdown but was… - [NTSB MIA85LA207](https://openairdocs.org/ntsb/MIA85LA207.md): Quinn EL Tomcat MK-5A · Blakley, GA · Accident · No injuries · Limited investigation · Final report · Jul 4, 1985 · N8429 · Substantial damage > While en route to reposition the helicopter to another farm, the eng lost power. The plt reported that during an autorotation, the main rotor lost some RPM as he stretched his glide to avoid a fence. As the helicopter touched down on uneven terrain, the main… - [NTSB SEA85LA155](https://openairdocs.org/ntsb/SEA85LA155.md): Bell 47G2 · Roosevelt, WA · Accident · No injuries · Limited investigation · Final report · Jul 2, 1985 · N11VH · Substantial damage > A total loss of power occurred while on a CFR 137 flight, due to fuel exhaustion. Although the fuel gauge showed 1/2 tank of fuel, the pilot failed to visually check the fuel prior to this flight. During autorotation onto a wheat field a hard landing occurred… - [NTSB NYC85LA081](https://openairdocs.org/ntsb/NYC85LA081.md): Bell 47G-3 · Plainsboro, NJ · Accident · No injuries · Limited investigation · Final report · Jun 15, 1985 · N49882 · Substantial damage > The helicpopter crashed shortly after takeoff with 55 gallons of fertilizer on board. The plt stated that each time he made a swath run over the field the blades of the helicopter were picking up some of the liquid fertilizer. On takeoff helicopter felt… - [NTSB SEA85LA126](https://openairdocs.org/ntsb/SEA85LA126.md): Hiller UH-12E · Athena, OR · Accident · No injuries · Limited investigation · Final report · May 31, 1985 · N37HS · Destroyed > The acft settled back to the ground shortly after takeoff before achieving translatioanal lift. The plt was attempting to test a new spray unit that had been installed. He had put 80 gallons of water in the spray tanks. - [NTSB CHI85FA198](https://openairdocs.org/ntsb/CHI85FA198.md): Bell 47G-2 · Burlington, MI · Accident · 1 fatal · Field investigation · Final report · May 16, 1985 · N3755J · Substantial damage > The helicopter was departing from a trailer which was sloped 5 degs to the left. During takeoff, the left skid lifted off first and the helicopter drifted to the right. The right skid caught on the trailer guides and the helicopter rolled over to the right. - [NTSB FTW85LA135](https://openairdocs.org/ntsb/FTW85LA135.md): Hiller UH-12D · Big Spring, TX · Accident · No injuries · Limited investigation · Final report · Mar 2, 1985 · N26EW · Substantial damage > CFI was demonstrating a simulated eng failure with tailwind of 10 KTS, 20 KTS grnd speed. The acft yawed left and touchdown was made with 10 kt grnd speed. The right skid broke off and the acft rolled over. The maneuver was initiated at 4 ft skid height. ## 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") = 1985 AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41525')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=41525&year=1985 --- 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.