NTSB investigations: Lycoming VO-435 series
629 cases on aircraft whose registry engine model is Lycoming VO-435 series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
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duckdb -csv -c "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 ('41525'))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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 ('41525'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ATL87LA222Accident · Minor injuriesLimited investigationFinal reportBell 47G-2 · Huntsville, ALThe helicopter impacted the water during a low-altitude turn over a river. The plt made a low pass to the south over an island at about 30 ft AGL, to show the island to the policewoman/traffic observer onboard. As he was making a climbing right turn at about…NTSB LAX87DVM03Accident · No injuriesFinal reportBell 47G-5 · Salinas, CAAt the end of an aerial application operation, enroute to the airport, the engine quit. The pilot autorotated the helicopter onto a soft field, where on touchdown, the helicopter was substantially damaged. Inspection of the helicopter revealed that the fuel…NTSB CHI87DEV02Accident · No injuriesFinal reportBell 47G2 · Peoria Heights, ILReturning from a powerline patrol flight, the engine surged twice and quit. The pilot executed an autorotation to the only available landing site, a high school football field. On touchdown the blades flexed and severed the tailboom. Investigation revealed…NTSB MIA87LA145Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Rolling Fork, MSWhile landing downwind, at an alt of aprx 20 feet, the helicopter began to settle with power. The pilot then attempted to stop the descent, however, because of insufficient alt & airspeed, was unable. The helicopter then landed hard, rolled over, after which,…NTSB ANC87FA043Accident · No injuriesField investigationFinal reportBell 47G-2 · Anchorage, AKA flight instructor and his commercial rotorcraft student were practicing quick stops to a hover at low altitude over a snow covered non-maintained airstrip. The student, a commercially rated fixed wing pilot, had successfully completed three quick stops, but…NTSB NYC87FA039Accident · Serious injuriesField investigationFinal reportBell 47-G2A · Jamesburg, NJThe CFI and private student were practicing lifting off to a hover. The CFI allowed the student to preform one or two under supervision and they were satisfactory. The CFI then allosed the student to start preforming the manuevers. The CFI heard the right…NTSB MIA86LA228Accident · Minor injuriesLimited investigationFinal reportContinental Copters Tomcat MK5A · Indiantown, FLThe aerial application helicopter crashed just after lift-off after sustaining a power failure, the plt stated that he thought the reason for the failure could have been fuel starvation since he had observed some foreign matter in the fuel when he drained the…NTSB SEA86LA177Accident · Minor injuriesLimited investigationFinal reportBell 47G3B2 · Nahcotta, WAWhile spraying oyster beds the pilot inadvertently flew the helicopter into the ground.NTSB NYC86LA191Accident · No injuriesLimited investigationFinal reportBell 47G-5A · Portland, CTWhile climbing, shortly after takeoff, the eng quit for undetermined reasons. The pilot autorotated into a sand bank where the helicopter received substantial damage.NTSB SEA86LA168Accident · No injuriesLimited investigationFinal reportBell 47G2A · Chehalis, WADuring an aerial applications maneuver, a complete loss of power occurred. The power loss was caused by failure of the connecting rod bolt. The acft was too low for autorotation and the aircraft struck the ground tail low. The main rotor blade then struck the…NTSB NYC86FNC05Accident · Minor injuriesFinal reportBell 47G-5 · Walthamer, MEWhile on a spray run the pilot of the Bell 47 was blinded by the sun as he was turning. The aircraft struck power lines, control was lost and the helicopter crashed.NTSB CHI86FER11Accident · Serious injuriesFinal reportBell 47G-5 · Brooten, MNAccording to the pilot, the helicopter collective control failed to respond to a climb input to level off after a descent for an agricultural swath run. Fire and impact damage to the helicopter was extensive, however one broken rod end in the collective…NTSB SEA86LA143Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Zillah, WAEn route to the local spray area a total loss of power occurred along with a loss of oil pressure. The acft was aprx 200 ft AGL over a pear orchard. The plt was attempting to autorotate onto a nearby road but the left skid caught the roof top of a metal shed.…NTSB NYC86FGM02Accident · Minor injuriesFinal reportContinental Copters OH13H Tomcat Mark 5A · Indiana, PAThe acft collided with wires during a spray run and crashed out of control. The plt tried to fly under the wires that were sighted too late to clear. During his survey of the field the plt had failed to see the wires that were struck. The collision broke off…NTSB LAX86LA211Accident · 1 fatalLimited investigationFinal reportBell 47G-5A · AganaThe helicopter crashed into the ocean when the plt attempted to lift off from a tuna boat. Reportedly, only three of the four tiedown ropes, which had secured the helicopter to the boat, had been released. The plt's medical certificate was dated 1/18/84.NTSB SEA86LA089Accident · No injuriesLimited investigationFinal reportHiller 12E · Walla Walla, WAA catastrophic failure of the planetary gear of the transmission occurred about 51 flight hours after overhaul. During forced landing a hard landing occurred severing the tail boom. A fire then erupted.NTSB LAX86FVD07Accident · No injuriesFinal reportBell 47G-2 · Stockton, CAThe pilot was making a slow pass and dragged one spray boom on the ground. Insufficient airspeed resulted in loss of control. Helicopter crashed.NTSB LAX86LA231Accident · Serious injuriesLimited investigationFinal reportBell 47G-5 · Castaic, CAThe helicopter collided with unmarked wires while heading into sun during spraying operation. Plt does not recall seeing or hitting wires.NTSB CHI86FA017Accident · 1 fatalField investigationFinal reportBell 47G-5 · Plainfield, WIThe 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 LAX86FUM01Accident · Minor injuriesFinal reportBell 47 G-5 · Yuma, AZThe pilot was hovering after a night takeoff and collided with an electrical power line.NTSB LAX86LUG01Accident · No injuriesFinal reportTexas Helicopter M74A · Daggett, CAThe 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 CHI85FEV04Accident · No injuriesFinal reportHiller UH-12D · Breese, ILThe 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 LAX85LA344Accident · Minor injuriesLimited investigationFinal reportBell 47G-2 · Big Bear City, CAOn 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 CHI85LA338Accident · No injuriesLimited investigationFinal reportBell 47G-5 · Pickett, WIThe 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 MIA85LA223Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Ochopee, FLThe 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 CHI85FA301Accident · 1 fatalField investigationFinal reportBell 47G2A1 · Brook, INThe 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 CHI85FEX04Accident · Serious injuriesFinal reportTexas Helicopter OH13E/M74 · Veedersburg, INThe 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 FTW85LA288Accident · No injuriesLimited investigationFinal reportBell 47G-5 · Crane, TXThe 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 MIA85LA207Accident · No injuriesLimited investigationFinal reportQuinn EL Tomcat MK-5A · Blakley, GAWhile 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 SEA85LA155Accident · No injuriesLimited investigationFinal reportBell 47G2 · Roosevelt, WAA 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 NYC85LA081Accident · No injuriesLimited investigationFinal reportBell 47G-3 · Plainsboro, NJThe 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 SEA85LA126Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Athena, ORThe 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 CHI85FA198Accident · 1 fatalField investigationFinal reportBell 47G-2 · Burlington, MIThe 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 FTW85LA135Accident · No injuriesLimited investigationFinal reportHiller UH-12D · Big Spring, TXCFI 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.NTSB MIA85FA016Accident · No injuriesField investigationFinal reportBell 47G-5A · Belle Glade, FLAcft wad parked with 3 ft clearance between main rotor and corner of hangar. Plt stated that on lift off a gust of wind blew acft toward hangar. Main rotor blades made contact. Ground crewman injured by flying debris.NTSB LAX84LA501Accident · Minor injuriesLimited investigationFinal reportBell 47G-2 · Borrego Springs, CAAfter landing, the plt hover taxied to the fuel pumps to refuel. While maneuvering to touch down at the pumps, the main rotor blade struck a 10 to 12 ft high vent pipe. The plt reported that the vent pipes were painted black & were not readily apparent with…NTSB ATL84LA295Accident · Minor injuriesLimited investigationFinal reportBell 47G-5 · Bluefield, WVThe pilot stated that he hovered the helicopter, made a right pedal turn and initiated a hover taxi across a rocky ravine adjacent to the pad. When over the ravine the helicopter settled onto to boulders beneath it. The pilot also stated that he thought he…NTSB LAX84LA464Accident · No injuriesLimited investigationFinal reportBell 47G-5 · Watsonville, CAThe plt maneuvered during an aerial application flt to avoid high tension wires and collided with lower telephone lines. The plt said the winds were gusty at the time of the accident.NTSB LAX84LA462Accident · No injuriesLimited investigationFinal reportBell 47G-2 · El Cajon, CAThe helicopter made a hard landing during a test flt. The plt reported that the collective was very stiff and he was notable to stop the descent during landing. FAA inspected the helicopter after the accident and found no discrepancies in the control system…NTSB LAX84LA424Accident · No injuriesLimited investigationFinal reportBell 47G-5A · Winterhaven, CAThe acft collided with the ground during a takeoff attempt. According to the plt, after the acft was loaded with 60 gallons of pesticide a takeoff was begun. The acft became airborne and traveled about 300 ft when the plt inadvertantly allowed the rotor RPM…NTSB CHI84LA317Accident · No injuriesLimited investigationFinal reportBell 47-G2 · Jeffersonville, OHThe acft started to settle with power during takeoff after the acft was loaded with chemicals. The plt said he had a choice of, going through a fence or over it and decided to go over it. Pulling collective bled off m/r and the acft stopped flying. The tail…NTSB CHI84LA263Accident · Minor injuriesLimited investigationFinal reportHiller UH 12 D · Deerfield, WIPlt was aware of pwr lines which crossed the field over which he was performing a calibration test. Plt stated that because of sun glare visual contact with the wires was lost. The acft contacted the wires.NTSB NYC84LA226Accident · No injuriesLimited investigationFinal reportBell 47J · Cranbury, NJThe helicopter had made 4 successful spray passes during this series of runs after reloading. During the turn to start the fifth pass the acft started to settle and contacted the ground before recovery could be made.NTSB SEA84LA132Accident · No injuriesLimited investigationFinal reportBell 47G2A · Buena, WAMain rotor blades contacted a wind machine during an aerial application flt. Helicopter settled into trees and rolled over. Plt said he knew the machine was there but had forgotten.NTSB LAX84LA341Accident · Minor injuriesLimited investigationFinal reportBell 47G-5 · Oceanside, CAA security guard with no flight experience attempted to fly the helicopter which he was guarding during early morning hours after substantial alcoholic beverage consumption. The acft sustained substantial damage when it touched down on the rt skid aprx 15 ft…NTSB NYC84FGT02Accident · No injuriesFinal reportBell 47G-3 · Landisburg, PAThe helicopter lost eng power while turning on approach for landing, autorotated to a hard landing with main rotor contact to the tail boom. Two gals of fuel were drained from the acft fuel tank at the accident site. An eng run up was performed & found…NTSB ANC84LA097Accident · No injuriesLimited investigationFinal reportPiper PA-32-260 · Igiugig, AKDuring flt, the plt heard a 'loud bang' & then the eng lost power. He transmitted a mayday call & made an emergency landing on rolling tundra. During the landing, the nose & left main gear failed & the wing & prop were damaged. An exam revealed that the eng…NTSB SEA84LA066Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Forest Grove, ORThe plt reported that while hovering, during an external load operation, the eng lost power & blue smoke & flames exited the back of the helicopter. The helicopter then struck trees before coming to rest. During an investigation, the eng started normally &…NTSB LAX83FA448Accident · No injuriesField investigationFinal reportBell 47G · Oceanside, CAShortly after takeoff, the eng lost power at an alt of aprx 400 ft AGL. An autorotative landing was made on uneven terrain beside a stream with weeds aprx 3 ft high. During touchdown, the main rotor struck the tail boom. An inspection of the engine revealed…NTSB MIA83LA212Accident · Minor injuriesLimited investigationFinal reportBell 47J · Labelle, FLWhile at an altitude of about 150 ft, the eng lost power. The plt initiated an autorotation, but during the landing, the main rotor struck trees & the helicopter was substantially damaged. The plt estimated there was 15 gal of fuel on board during the…