NTSB investigations: Maule M-7-235C

8 cases on aircraft the registry lists as Maule M-7-235C, where the sequence of events included Collision with terr/obj (non-CFIT). 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

20112026

NTSB investigations: Maule M-7-235C per year, 2011–2026: 8 cases
2011	2
2015	2
2017	2
2018	1
2019	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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('5460110') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))) 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('5460110')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s.\"tier2Number\" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\")))
  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 ('5460110')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
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 GAA19CA227Accident · No injuriesData collectionFinal reportMaule M7 · Roosevelt, UTThe pilot's failure to maintain directional control during landing in gusting wind conditions, which resulted in a runway excursion and collision with a culvert.Apr 27, 2019 · N4257A · Substantial damage NTSB GAA18CA287Accident · No injuriesData collectionFinal reportMaule M 7 · Burnet, TXThe pilot’s failure to maintain directional control during landing in gusting wind conditions and with an incorrect flap configuration.May 19, 2018 · N427LS · Substantial damage NTSB WPR17LA192Accident · No injuriesLimited investigationFinal reportMaule M 7-235C · Klamath Falls, ORThe pilot's failure to follow the pre-takeoff checklist and the failure of the left main landing gear brake due to a damaged brake master cylinder piston rod, which resulted in a stuck left brake and subsequent loss of control during the landing roll.Aug 24, 2017 · N6447M · Substantial damage NTSB ERA17LA188Accident · Minor injuriesLimited investigationFinal reportMaule M7 · Colton, NYThe pilots' initiation of an uncoordinated right turn with the fuel selector positioned to the right main fuel tank, which had a low quantity of fuel in it and resulted in a total loss of engine power due to the unporting of the fuel and subsequent fuel…May 20, 2017 · N126MC · Substantial damage NTSB GAA16CA019Accident · No injuriesData collectionFinal reportMaule M 7-235C · Mankato, MNThe pilot's failure to maintain directional control during the go-around, which resulted in a collision with terrain.Oct 11, 2015 · N3180G · Substantial damage NTSB GAA15CA291Accident · No injuriesData collectionFinal reportMaule M 7-235C · Kemmerer, WYA hard landing which resulted in a loss directional control and ground loop.Sep 30, 2015 · N4244L · Substantial damage NTSB WPR11FA395Accident · 1 fatalField investigationFinal reportMaule M-7-235C · Brookings, ORThe pilot’s improper decision to continue flight under visual flight rules into instrument meteorological conditions, which resulted in a collision with trees while on approach for landing.Aug 21, 2011 · N199BF · Substantial damage NTSB WPR11CA326Accident · Minor injuriesData collectionFinal reportMaule M-7-235C · Tonasket, WAThe pilot's failure to achieve the proper touchdown point, which resulted in a landing overrun.Jul 11, 2011 · N6YM · Substantial damage