Fatal NTSB investigations: Lycoming 0-540 series, AZ
8 cases on aircraft whose registry engine model is Lycoming 0-540 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 |
|---|---|
| 1968 | 1 |
| 1991 | 1 |
| 2004 | 1 |
| 2008 | 2 |
| 2009 | 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\" = 'AZ' AND c.\"eventCountry\" = 'USA'
AND 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 ('41532'))
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" = 'AZ' AND c."eventCountry" = 'USA'
AND 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 ('41532'))
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 WPR26FA151Accident · 2 fatalClass 3 · FieldPreliminary reportPiper PA-32R-301T · Marana, AZOn April 08, 2026 at 1710 mountain standard time, a Piper PA-32R-301T, N4190E, sustained substantial damage when it was involved in an accident near Marana, AZ. The pilot and passenger sustained fatal injuries. The airplane was operated as a Title 14 Code of…NTSB WPR10FA005Accident · 2 fatalField investigationFinal reportPiper PA-24-250 · Black Canyon City, AZThe pilot's decision to continue VFR flight into instrument meteorological weather conditions which resulted in controlled flight into terrain. Contributing to the accident were low ceilings, reduced visibility, and mountainous terrain.NTSB WPR09FA038Accident · 3 fatalField investigationFinal reportPiper PA-32-260 · Sedona, AZThe partial loss of engine power while maneuvering for undetermined reasons.NTSB LAX08FA267Accident · 1 fatalField investigationFinal reportCessna TR182 · Sahuarita, AZThe pilot’s failure to maintain clearance from mountainous terrain while maneuvering at low altitude for undetermined reasons.NTSB LAX04LA240Accident · 1 fatalLimited investigationFinal reportPiper PA-25-235 · Peoria, AZthe pilot's failure to maintain a proper pitch attitude during tow operations and his failure to maintain an adequate airspeed, which resulted in an inadvertent stall/spin.NTSB LAX91LA304Accident · 1 fatalLimited investigationFinal reportPiper PA24-250 · Temple Bar, AZThe pilot's failure to maintain control of the aircraft during an attempted return to runway maneuver and the entry into an inadvertent stall/spin at low altitude. The exact nature of the emergency problem encountered by the pilot is undetermined.NTSB LAX69F0046Accident · 1 fatalClosedPiper PA-25 · Maryvale, AZNTSB LAX68A0044Accident · 1 fatalClosedPiper PA-24 · Show Low, AZ