# NTSB investigations: Maule M-7-235C: Loss of control on ground

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB WPR24LA016](https://openairdocs.org/ntsb/WPR24LA016.md): Maule M-7-235C · Provo, UT · Accident · No injuries · Class 4 · Limited · Final report · Oct 12, 2023 · N235PR · Substantial damage
  > The pilot’s failure to maintain directional control during landing.
- [NTSB ERA23LA160](https://openairdocs.org/ntsb/ERA23LA160.md): Maule M-7-235C · Abbeville, SC · Accident · Serious injuries · Class 4 · Limited · Final report · Mar 20, 2023 · N79VE · Substantial damage
  > A loss of directional control during landing, which resulted in a ground loop and substantial damage to the airplane. The pilot flying could not be determined since both pilots claimed that the other was at the controls during the landing. The flight…
- [NTSB GAA19CA227](https://openairdocs.org/ntsb/GAA19CA227.md): Maule M7 · Roosevelt, UT · Accident · No injuries · Data collection · Final report · Apr 27, 2019 · N4257A · Substantial damage
  > The pilot's failure to maintain directional control during landing in gusting wind conditions, which resulted in a runway excursion and collision with a culvert.
- [NTSB WPR17LA192](https://openairdocs.org/ntsb/WPR17LA192.md): Maule M 7-235C · Klamath Falls, OR · Accident · No injuries · Limited investigation · Final report · Aug 24, 2017 · N6447M · Substantial damage
  > The 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.
- [NTSB GAA15CA291](https://openairdocs.org/ntsb/GAA15CA291.md): Maule M 7-235C · Kemmerer, WY · Accident · No injuries · Data collection · Final report · Sep 30, 2015 · N4244L · Substantial damage
  > A hard landing which resulted in a loss directional control and ground loop.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```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" = '230' 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
```

This list as a web page: https://openairdocs.org/ntsb-events/230/sequence?model=5460110

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