NTSB investigations: Maule M-4-220C
5 cases on aircraft the registry lists as Maule M-4-220C, where the first occurrence was “Loss of engine power(total) - nonmechanical”. 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
| 1988 | 1 |
|---|---|
| 1990 | 1 |
| 1991 | 2 |
| 1999 | 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('5460114')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 353))
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('5460114')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 353))
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 LAX99LA084Accident · No injuriesLimited investigationFinal reportMaule M-4-220C · Jean, NVFuel starvation due to the pilot's failure to ensure that a tank containing an adequate fuel supply was selected for takeoff. A factor in the accident was the contamination in the engine driven fuel pump, which likely was not capable of providing full system…NTSB LAX91LA239Accident · Minor injuriesLimited investigationFinal reportMaule M-4-220C · Byron, CAThe failure of the pilot-in-command to perform an adequate preflight inspection by taking the necessary steps to eliminate water contamination of the airplane's fuel system.NTSB ANC91LA054Accident · No injuriesLimited investigationFinal reportMaule M-4-220C · Beluga, AKThe engine failure due to undetermined causes. Contributing to the accident was the unsuitability of the available landing area.NTSB CHI91DEE02Accident · Minor injuriesFinal reportMaule M-4-220C · Romeoville, ILThe pilot's inadequate preflight inspection resulting in power loss from fuel contamination. A factor in the accident was the owner's failure to accomplish airworthiness directive 84-9-7 which provided direct, convenient access to sample and purge the main…NTSB ANC88LA143Accident · No injuriesLimited investigationFinal reportMaule M-4 · Cordova, AKWhile on base leg to the airport, the engine stopped producing power forcing the pilot to land the airplane on the tundra short of the runway. Upon landing the airplane nosed over. Subsequent examination of the engine showed water in the carburetor. The water…