# NTSB investigations: Piper PA-31-350: Landing gear not configured

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 ANC20CA044](https://openairdocs.org/ntsb/ANC20CA044.md): Piper PA31 · Buckland, AK · Accident · No injuries · Data collection · Final report · Apr 18, 2020 · N88TG · Substantial damage
  > The pilot's failure to extend the landing gear before landing due to distraction by the condition of the runway and his failure to use the Before Landing checklist.
- [NTSB ANC20LA013](https://openairdocs.org/ntsb/ANC20LA013.md): Piper PA31 · Fairbanks, AK · Accident · No injuries · Class 3 · Limited · Final report · Jan 12, 2020 · N4112K · Substantial damage
  > The improper installation of a hydraulic line at the right main landing gear (MLG) unlock actuator, which resulted in a total loss of system hydraulic pressure and failure of the landing gear to extend. Contributing to the accident was the failure of the…
- [NTSB GAA16LA087](https://openairdocs.org/ntsb/GAA16LA087.md): Piper PA 31 · Clearwater, FL · Accident · No injuries · Limited investigation · Final report · Dec 12, 2015 · N27405 · Substantial damage
  > The pilot's failure to extend the landing gear before landing.
- [NTSB ANC15CA027](https://openairdocs.org/ntsb/ANC15CA027.md): Piper PA 31-350 · Homer, AK · Accident · No injuries · Data collection · Final report · May 17, 2015 · N4079H · Substantial damage
  > The pilot's failure to extend the landing gear before landing. Contributing to the accident was the pilot's decision to continue the approach to landing while distracted and his failure to complete the landing checklist.
- [NTSB ANC12CA012](https://openairdocs.org/ntsb/ANC12CA012.md): Piper PA-31-350 · Kaltag, AK · Accident · No injuries · Data collection · Final report · Dec 8, 2011 · N300ED · Substantial damage
  > The pilot landed without lowering the landing gear. Contributing to the accident was the pilot's self-reported fatigue.
- [NTSB LAX08LA080](https://openairdocs.org/ntsb/LAX08LA080.md): Piper PA-31-350 · Portland, OR · Accident · No injuries · Limited investigation · Final report · Mar 20, 2008 · N4098A · Substantial damage
  > The failure of company maintenance personnel to install the upper pivot bolt through the pivot hole in the upper end of the landing gear actuating rod, and the company maintenance inspector's inadequate inspection of the work performed.

## 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 ('7103110', '7103125')
    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" = '095' 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/095/sequence?model=7103110

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