NTSB investigations: Lycoming VO-435 series, MA

5 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

19902026
NTSB investigations: Lycoming VO-435 series, MA per year, 1990–2026: 5 cases
19901
19921
19942
19951

Latest 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\" = 'MA' 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.

NTSB NYC95LA100Accident · Minor injuriesLimited investigationFinal reportBell 47G-5A · Middleboro, MAthe pilot's failure to maintain airspeed during a low altitude aerial application turn, which resulted in inadvertent settling with power and the subsequent collision with the terrain.May 4, 1995 · N444GW · Substantial damageNTSB 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.Jul 2, 1994 · N59400 · Substantial damageNTSB 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…Mar 1, 1994 · N7043J · Substantial damageNTSB BFO92LA062Accident · No injuriesLimited investigationFinal reportContinental Copters MK6B · Middleboro, MAThe pilot's failure to release a tie down strap from the helicopter's skid during the preflight.May 14, 1992 · N9012T · Substantial damageNTSB NYC90LA122Accident · No injuriesLimited investigationFinal reportBell 47G-3B1 · Becket, MAA power loss due to oil starvation, after maintenance personnel failed to comply with Lycoming directives during the engine overhaul. Factors related to the accident were: improper adjustment of the engine oil pressure by maintenance personnel and unsuitable…May 31, 1990 · N39268 · Substantial damage