# NTSB investigations: Piper PA-34-200: 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 CEN19LA217](https://openairdocs.org/ntsb/CEN19LA217.md): Piper PA34 · Ypsilanti, MI · Accident · Minor injuries · Limited investigation · Final report · Jul 10, 2019 · N2930Y · Substantial damage
  > The pilot's premature movement of the landing gear selector to the "up" position during takeoff, which allowed the landing gear to retract before a positive climb rate was established, and the lack of a positive climb rate, which led to the airplane settling…
- [NTSB ERA18LA178](https://openairdocs.org/ntsb/ERA18LA178.md): Piper PA 34-200 · Umatilla, FL · Accident · Minor injuries · Limited investigation · Final report · Jun 14, 2018 · N56213 · Substantial damage
  > Maintenance personnel ‘s failure to complete and verify the proper installation of the main landing gear (MLG) torque links’ attachment hardware, which resulted in the right MLG torque link disconnecting and the pilot’s subsequent inability to maintain…
- [NTSB GAA17CA093](https://openairdocs.org/ntsb/GAA17CA093.md): Piper PA 34 · Denton, TX · Accident · No injuries · Data collection · Final report · Dec 7, 2016 · N2844T · Substantial damage
  > The flight instructor’s decision to continue to taxi the airplane to the parking area with a known brake malfunction, which resulted in a loss of directional control and subsequent impact with a parked airplane.
- [NTSB CEN14LA220](https://openairdocs.org/ntsb/CEN14LA220.md): Piper PA 34-200 · Spring, TX · Accident · No injuries · Limited investigation · Final report · Apr 25, 2014 · N56755 · Substantial damage
  > The loss of right brake effectiveness during landing for reasons that could not be determined based on the available evidence, which resulted in a loss of directional control.

## 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 ('7103405')
    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=7103405

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