NTSB investigations: Lycoming VO-435 series, FL
43 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.
Cases per year
| 1966 | 1 |
|---|---|
| 1969 | 1 |
| 1970 | 3 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 3 |
| 1976 | 2 |
| 1977 | 2 |
| 1979 | 2 |
| 1980 | 2 |
| 1981 | 2 |
| 1983 | 3 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1991 | 2 |
| 1992 | 2 |
| 1998 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 2 |
| 2003 | 1 |
| 2013 | 1 |
| 2019 | 1 |
| 2025 | 1 |
Where
Open the mapLatest cases
Query with SQL
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.\"eventStateOrRegion\" = 'FL' AND c.\"eventCountry\" = 'USA'
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"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."eventStateOrRegion" = 'FL' AND c."eventCountry" = 'USA'
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" 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 ERA25LA167Accident · Serious injuriesClass 3 · LimitedPreliminary reportHiller UH12E · Rockledge, FLOn April 6, 2025, about 1020 eastern daylight time, a Hiller UH-12E, N48263, was substantially damaged when it was involved in an accident near Rockledge, Florida. The private pilot and passenger sustained serious injuries. The helicopter was operated as a…NTSB GAA20CA062Accident · No injuriesData collectionFinal reportBell 47G · Groveland, FLThe student pilot's improper cyclic input after a reported hydraulic failure, the reason for which could not be determined, and his failure to follow the emergency procedures, which resulted in a hard landing.NTSB ERA14FA066Accident · 1 fatalField investigationFinal reportTexas Helicopter M74L · Sebring, FLA partial loss of engine power as a result of contamination of the engine’s fuel supply, and the pilot’s impaired performance due to his use of diphenhydramine, which resulted in his inability to complete a forced or precautionary autorotative landing…NTSB MIA04FA008Accident · 2 fatalField investigationFinal reportBell 47G-2A-1 · Balm, FLThe pilot's intentional buzzing and his failure to maintain altitude/clearance which resulted in an in-flight collision with a building.NTSB MIA02LA101Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Bunnell, FLThe failure of the student pilot to secure the rotorcraft floorboard mounted ballast, resulting in shifting of the ballast on liftoff, and the subsequent dynamic rollover.NTSB ATL02LA094Accident · No injuriesLimited investigationFinal reportBell 47G-5A · La Belle, FLThe pilot's failure to maintain clearance of a tree while maneuvering, which resulted in an in-flight collision with the tree and subsequent uncontrolled descent and collision with terrain.NTSB MIA02FA045Accident · 4 fatalField investigationFinal reportPiper PA-32-260 · Jacksonville, FLThe pilot becoming spatially disoriented and losing control of the airplane during a missed approach resulting in the airplane descending uncontrolled and colliding with trees and the ground.NTSB MIA00LA176Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Fort Walton Bch, FLThe unsuitable terrain encountered by the pilot-in-command during the forced landing and the loss of engine power for undetermined reasons.NTSB MIA98LA154Accident · Minor injuriesLimited investigationFinal reportBell 47G-2 · Fort Walton Bch, FLThe loss of engine power for undetermined reasons.NTSB MIA93LA027Accident · Minor injuriesLimited investigationFinal reportBell 47-G5A · Belle Glade, FLThe improper in flight decision of the pilot in command to attempt an agricultural turn with insufficient altitude to accomplish the maneuver. Contributing to the accident was the pilot's overconfidence in his abilities.NTSB MIA92T#A01Accident · No injuriesClass 3Final reportContinental Copters Tomcat MK6B · Punta Gorda, FLNTSB MIA91LA215Accident · No injuriesLimited investigationFinal reportBell 47G2A · Immokalee, FLThe improper use of the flight controls by the pilot in command, which resulted in a collision with the ground and a nose over.NTSB MIA91TL#03Accident · No injuriesClass 3Final reportBell 47-G5A · Titusville, FLNTSB MIA89LA213Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Sarasota, FLThe student pilot's inadequate preflight planning/preparation, which resulted in fuel exhaustion due to an inadequate supply of fuel. Factors related to the accident were: the student pilot's lack of total experience & tree(s) in the emergency landing area.NTSB MIA88LA186Accident · No injuriesLimited investigationFinal reportContinental Copters MK6B · Callahan, FLWhile maneuvering the helicopter during an aerial application flt the eng quit. During the autorotative landing the helicopter landed hard. Examination of the eng revealed the accessory drive gear, which is attached to the crankshaft by 6 AN-4A bolts with the…NTSB MIA87FA236Accident · 1 fatalField investigationFinal reportCessna 152 · Opa Locka, FLA student plt & instructor (CFI) in Cessna 152, N48864, took off & entered rgt traffic to practice lndgs on rwy 9R. Soonthereafter, a helicopter plt (h/p) in a bell 47G-2, N6728D, took off & entered rgt traffic to practice lndgs in a desig-nated helicopter…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 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 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 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…NTSB MIA83LA196Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Miami, FLThe student was a rated single eng, multiengine, land plt, but did not have a helicopter rating. During a dual instructional flt, he had just completed the final phase of an autorotation & the skids were on the ground, when he abruptly pulled the collective…NTSB MIA83LA069Accident · Minor injuriesLimited investigationFinal reportBell 47G2 · Riverview, FLAccording to the pilot he lost control of the acft after a bird hit him on the right temple while flying at about 15 feet above the water. The acft was traveling at about 50 mph when the bird flew in through left door opening. The pilot lost control of the…NTSB MIA81FA053Accident · Minor injuriesClosedHiller UH-12D · Miami Beach, FLNTSB MIA81FKT31Accident · No injuriesClosedHiller Acft UH-12D · Miami, FLNTSB MIA81DLD04Accident · No injuriesClosedBell 47J · Yeehaw Jnction, FLNTSB MIA80FA069Accident · Serious injuriesClosedHiller UH-12D · Miami Beach, FLNTSB MIA79ELA24Accident · Serious injuriesClosedBell 47G3 · Palatka, FLNTSB MIA79DKT49Accident · No injuriesClosedBell 47G · Miami, FLNTSB MIA78DKT08Accident · No injuriesClosedHiller Acft UH-12D · Miami, FLNTSB MIA77DLD51Accident · Minor injuriesClosedEL Tomcat MK6A · Lake Wales, FLNTSB MIA77FKT05Accident · No injuriesClosedHiller UH-12D · Lake Worth, FLNTSB MIA76FKT61Accident · Minor injuriesClosedHiller UH-12D · Miami, FLNTSB MIA75DLD28Accident · No injuriesClosedBell 47G21A · Waverly, FLNTSB MIA74AM079Accident · Serious injuriesClosedBell 47G-2 · Miami, FLNTSB MIA74DLD71Accident · No injuriesClosedBell 47G5 · Arcadia, FLNTSB MIA73DLD54Accident · No injuriesClosedBell 47G-5 · Avon Park, FLNTSB MIA72FKT48Accident · Serious injuriesClosedBell 47G · Ft Lauderdale, FLNTSB MIA71DKT52Accident · Minor injuriesClosedBell 47G2A · Buckingham, FLNTSB MIA71FLD10Accident · Minor injuriesClosedBell 47G-5 · Frostproof, FLNTSB MIA70FLD32Accident · No injuriesClosedBell 47-G2 · Kissimmee, FLNTSB MIA70FLA11Accident · Minor injuriesClosedBell 47G-5 · Jasper, FLNTSB MIA70F0184Accident · No injuriesClosedBell 47G-5 · Largo, FLNTSB MIA66A0125Accident · Minor injuriesClosedBell 47G-2 · Homestead, FL