Fatal NTSB investigations: Lycoming 0-435A/0-435C

5 cases on aircraft whose registry engine model is Lycoming 0-435A/0-435C. 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19692026

Fatal NTSB investigations: Lycoming 0-435A/0-435C per year, 1969–2026: 5 cases
1969	1
1970	1
1973	1
1992	1
2006	1

Where

Open the map

Latest cases

Query with SQL

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."highestInjuryLevel" = 'Fatal' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41517')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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.\"highestInjuryLevel\" = 'Fatal'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41517'))
  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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41517'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 LAX06FA233Accident · 1 fatalField investigationFinal reportBellanca 14-19 · Arcata, CAThe pilot's failure to follow the prescribed instrument approach procedure and to maintain the proper glide slope and altitude/clearance from obstacles while on an instrument landing system approach, resulting in a collision with trees. Contributing to the…Jul 17, 2006 · N522A · Destroyed NTSB FTW93LA003Accident · 1 fatalLimited investigationFinal reportCessna Ector 305A · Houston, TXThe pilot of the other aircraft's inadvertent ground loop. Factors were the left quartering tailwind and this pilot's inability to see the other airplane during the landing roll.Oct 3, 1992 · N910E · 2 aircraft · Destroyed NTSB LAX73AL062Accident · 3 fatalClosedBellanca 14-19 · Parker, AZJun 7, 1973 · N6581N · Destroyed NTSB LAX71AL025Accident · 1 fatalClosedBellanca 14-133 · San Fernando, CANov 7, 1970 · N6513N · Destroyed NTSB MIA69F0416Accident · 1 fatalClosedStinson 108-2 · Russellville, ALFeb 21, 1969 · N97478 · Destroyed