# NTSB investigations: Franklin 6V 350 series: Loss of control - on ground/water

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 LAX05CA260](https://openairdocs.org/ntsb/LAX05CA260.md): Maule M-4-220C · Tucson, AZ · Accident · No injuries · Data collection · Final report · Aug 4, 2005 · N2020U · Substantial damage
  > the pilot's failure to maintain directional control.
- [NTSB SEA05LA101](https://openairdocs.org/ntsb/SEA05LA101.md): Maule M-4-220C · Driggs, ID · Accident · No injuries · Limited investigation · Final report · May 21, 2005 · N40318 · Substantial damage
  > The pilot's failure to compensate for wind conditions, which resulted in a ground loop/swerve during the landing roll. A crosswind was a factor.
- [NTSB NYC03LA159](https://openairdocs.org/ntsb/NYC03LA159.md): Maule M-4-220C · Taunton, MA · Accident · No injuries · Limited investigation · Final report · Jun 28, 2003 · N2030U · Substantial damage
  > The pilot's failure to maintain directional control while landing and the CFI's delayed remedial action.
- [NTSB LAX99LA133](https://openairdocs.org/ntsb/LAX99LA133.md): Maule M-4-220C · Prescott, AZ · Accident · No injuries · Limited investigation · Final report · Feb 15, 1999 · N2077U · Substantial damage
  > The pilot's inadequate compensation for the crosswind condition, which led to a loss of directional control and an inadvertent ground loop.
- [NTSB CHI97LA258](https://openairdocs.org/ntsb/CHI97LA258.md): Maule M-4-220C · Bemidgi, MN · Accident · No injuries · Limited investigation · Final report · Aug 1, 1997 · N40354 · Substantial damage
  > the pilot's failure or inability to maintain directional control of the airplane, as a result of an undetermined anomaly concerning of the right main landing gear brake.
- [NTSB FTW97LA205](https://openairdocs.org/ntsb/FTW97LA205.md): Maule M-4-220C · Englewood, CO · Accident · No injuries · Limited investigation · Final report · May 25, 1997 · N9865M · Substantial damage
  > failure of the pilot to maintain directional control of the airplane during the landing roll. The gusty crosswind condition was a related factor.
- [NTSB SEA90LA145](https://openairdocs.org/ntsb/SEA90LA145.md): Maule M-4-220C · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Jul 21, 1990 · N2007U · Substantial damage
  > Pilot's failure to maintain directional control during the landing roll.
- [NTSB SEA86LA164](https://openairdocs.org/ntsb/SEA86LA164.md): Maule M-4-220C · Juneau, AK · Accident · No injuries · Limited investigation · Final report · Jul 9, 1986 · N40646 · Substantial damage
  > The acft veered left and ground looped during landing roll. The right main gear strut collapsed during the landing. The plt had 5 hours total flt time in this acft and stated the toe brakes seemed 'touchy' during the landing.
- [NTSB MIA84LA103](https://openairdocs.org/ntsb/MIA84LA103.md): Maule M4-220 · Boca Raton, FL · Accident · No injuries · Limited investigation · Final report · Mar 10, 1984 · N40330 · Destroyed
  > The plt stated that while practicing touch & go's he lost directional control & the left landing gear collapsed.

## 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.engine_model_code IN ('27043')
    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" = 260))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27043&occurrence=260

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