NTSB investigations: Lycoming VO-435 series, 1994
11 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
| 1964 | 17 |
|---|---|
| 1965 | 18 |
| 1966 | 15 |
| 1967 | 21 |
| 1968 | 12 |
| 1969 | 16 |
| 1970 | 28 |
| 1971 | 15 |
| 1972 | 20 |
| 1973 | 25 |
| 1974 | 28 |
| 1975 | 24 |
| 1976 | 18 |
| 1977 | 14 |
| 1978 | 27 |
| 1979 | 20 |
| 1980 | 18 |
| 1981 | 16 |
| 1982 | 15 |
| 1983 | 14 |
| 1984 | 14 |
| 1985 | 16 |
| 1986 | 13 |
| 1987 | 10 |
| 1988 | 12 |
| 1989 | 11 |
| 1990 | 6 |
| 1991 | 13 |
| 1992 | 10 |
| 1993 | 8 |
| 1994 | 11 |
| 1995 | 9 |
| 1996 | 7 |
| 1997 | 4 |
| 1998 | 5 |
| 1999 | 5 |
| 2000 | 6 |
| 2001 | 5 |
| 2002 | 8 |
| 2003 | 8 |
| 2004 | 4 |
| 2005 | 4 |
| 2006 | 4 |
| 2007 | 4 |
| 2009 | 3 |
| 2010 | 2 |
| 2011 | 5 |
| 2012 | 3 |
| 2013 | 6 |
| 2014 | 6 |
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 6 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 1 |
| 2026 | 2 |
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 year(c.\"eventDate\") = 1994
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 year(c."eventDate") = 1994
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 CHI95LA003Accident · Minor injuriesLimited investigationFinal reportBell 47G2 · Decatur, ILthe failure of the roller springs in the freewheeling unit of the transmission which caused the unit to disengage.NTSB LAX94LA386Accident · 2 fatalLimited investigationFinal reportBell 47G-5 · Pacific Ocean (Pacific Ocean)an in-flight collision with the water for undetermined reasons.NTSB LAX94LA303Accident · No injuriesLimited investigationFinal reportBell 47G-2A · Scottsdale, AZThe pilot's failure to refuel appropriately, the altitude and airspeed at the time the engine stoppage occurred were factors in the accident.NTSB CHI94T#A02Accident · No injuriesClass 3Final reportContinental Copters MK 5 Tomcat · Minot, NDNTSB NYC94LA110Accident · Minor injuriesLimited investigationFinal reportBell 47-G5 · Wareham, MAThe pilot's inadequate inflight planning which resulted in fuel exhaustion and the loss of engine power.NTSB FTW94FA158Accident · 1 fatalField investigationFinal reportBell 47G-2 · Tulsa, OKIn flight loss of control due to the pilot's improper use of the cyclic and collective controls when he maneuvered abruptly to avoid colliding with a flock of birds. Factors were the birds and the inflight separation of the left synchronized elevator.NTSB LAX94LA199Accident · 1 fatalLimited investigationFinal reportContinental Copters Tomcat MK5A · Brawley, CAFailure of the pilot to maintain sufficient altitude, while maneuvering to land after completing aerial application. Factors related to the accident were: darkness and the lack of visual cues for the pilot to detect the obstruction (power line).NTSB CHI94FA330Accident · 1 fatalField investigationFinal reportBell 47G-5A · Wisconsin Rpds, WIUndetermined.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 NYC94LA050Accident · Serious injuriesLimited investigationFinal reportBell 47G-5 · Plymouth, MAThe pilot's failure to maintain adequate clearance of the fuel truck from the aircraft, which resulted in the main rotor striking the fuel hose and truck during refueling operation. A factor was the pilot's failure to follow company policy pertaining to the…NTSB SEA94LA064Accident · Minor injuriesLimited investigationFinal reportHiller-Soloy H-23D · Seaside, ORThe pilot's improper use of flight controls resulting in settling with power.