# NTSB investigations: Piper PA-18-135: 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 ANC22LA074](https://openairdocs.org/ntsb/ANC22LA074.md): Piper PA-18-135 · Palmer, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 30, 2022 · N1129 · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane during the landing roll, which resulted in a ground loop and impact with terrain.
- [NTSB CEN22LA295](https://openairdocs.org/ntsb/CEN22LA295.md): Piper PA-18-135 · Walker, MN · Accident · No injuries · Class 4 · Limited · Final report · Jul 1, 2022 · N1136 · Substantial damage
  > The pilot’s failure to maintain directional control during landing. Contributing to the accident was the flight instructor’s delayed remedial action during a go-around.
- [NTSB GAA19CA348](https://openairdocs.org/ntsb/GAA19CA348.md): Piper PA18 · Fairbanks, AK · Accident · No injuries · Data collection · Final report · Jun 16, 2019 · N2765A · Substantial damage
  > The pilot receiving instruction's premature pitch control input during takeoff, which resulted in an aborted takeoff and subsequent impact with terrain. Contributing to the accident was the flight instructor's delayed remedial action.
- [NTSB GAA19CA117](https://openairdocs.org/ntsb/GAA19CA117.md): Piper PA 18-135 · Longmont, CO · Accident · No injuries · Data collection · Final report · Jan 3, 2019 · N89018 · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [NTSB GAA19CA022](https://openairdocs.org/ntsb/GAA19CA022.md): Piper PA 18-135 · Cherry Ridge, PA · Accident · No injuries · Data collection · Final report · Oct 14, 2018 · N6690D · Substantial damage
  > The pilot's failure to maintain directional control during landing, which resulted in a ground loop.
- [NTSB GAA17CA275](https://openairdocs.org/ntsb/GAA17CA275.md): Piper PA18 · Seward, AK · Accident · Serious injuries · Data collection · Final report · May 11, 2017 · N1258C · Substantial damage
  > The flight instructor's incorrect brake application during a high-speed taxi with a tailwind, which resulted in a nose-over.
- [NTSB ANC11CA076](https://openairdocs.org/ntsb/ANC11CA076.md): Piper PA-18-135 · Coldfoot, AK · Accident · Minor injuries · Data collection · Final report · Aug 13, 2011 · N1258C · Substantial damage
  > The pilot's inadvertent application of the right brake pedal during the landing roll, which resulted in a nose-over.
- [NTSB ANC09LA035](https://openairdocs.org/ntsb/ANC09LA035.md): Piper PA-18-135 · Palmer, AK · Accident · No injuries · Limited investigation · Final report · Apr 26, 2009 · N3256B · Substantial damage
  > The non-certificated pilot’s decision to attempt to "ski" atop a water-covered tidal area in an airplane equipped with over-sized main landing gear tires, resulting in a loss of control and a nose over.

## 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 ('7101820')
    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=7101820

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