NTSB investigations: Lycoming VO-435 series, MO
14 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
| 1967 | 1 |
|---|---|
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 2 |
| 1978 | 2 |
| 1979 | 1 |
| 1982 | 1 |
| 1991 | 1 |
| 1994 | 1 |
| 2026 | 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\" = 'MO' 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" = 'MO' 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 CEN26LA234Accident · Serious injuriesClass 3 · LimitedPreliminary reportBell 47G-2 · Troy, MOOn June 22, 2026, about 1840 central daylight time, a Bell 47G-2 helicopter, N65520, was substantially damaged when it was involved in an accident near Troy, Missouri. The pilot sustained serious injuries. The helicopter was operated as a Title 14 Code of…NTSB CHI94LA133Accident · No injuriesLimited investigationFinal reportBell 47-62 · Aurora, MOThe dual students inadequate flare and the pilot in command's (flight instructor) delayed remedial action.NTSB CHI91FA294Accident · 3 fatalField investigationFinal reportBell-K Copter 47D1 · Laurie, MOPoor judgement of the pilot, due to impairment from consumption of alcoholic beverage before flight, his intentional buzzing, and his inadequate visual lookout (failure to see-and-avoid power lines).NTSB MKC82DA129Accident · No injuriesFinal reportTexas Helicopter OH-13E · 10 Sw Of Milan, MOThe plt had reduced the spray load from 90 to 50 gals to compensate for the increase in density altitude. The winds were blowing lightly during previous takeoffs but were calm during this takeoff. As the helicopter hovered forward during the takeoff it failed…NTSB MKC79FCA14Accident · Serious injuriesClosedBell 47G-2 · Chesterfield, MONTSB MKC78FCA34Accident · Serious injuriesClosedBell 47G-2 · St Louis, MONTSB MKC78DCA30Accident · No injuriesClosedBell 47G-2 · Naylor, MONTSB MKC73FCA30Accident · Minor injuriesClosedBell 47G-5 · St Louis, MONTSB MKC73AKO55Accident · Minor injuriesClosedBell 47J · Kansas City, MONTSB MKC73DCG06Accident · No injuriesClosedBell 47G-5 · Forsyth, MONTSB MKC73FCG02Accident · Minor injuriesClosedBell 47J · Osage Beach, MONTSB MKC71FCA27Accident · No injuriesClosedBell 47G5 · Creve Coeur, MONTSB MKC70DCA14Accident · No injuriesClosedBell 47D1 · Perry, MONTSB MKC67A0078Accident · Serious injuriesClosedBell 47G-2 · West Plains, MO