# NTSB investigations, WA: 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 WPR26LA016](https://openairdocs.org/ntsb/WPR26LA016.md): Beech S35 · Olympia, WA · Accident · No injuries · Class 4 · Limited · Final report · Oct 12, 2025 · N35S · Substantial damage
  > The pilot’s inadvertent retraction of the landing gear after landing.
- [NTSB WPR22LA353](https://openairdocs.org/ntsb/WPR22LA353.md): Cessna 525B · Pasco, WA · Accident · No injuries · Class 3 · Limited · Final report · Sep 20, 2022 · N528DV · Destroyed
  > The failure of the pilot to ensure the landing gear was extended before landing. Contributing was the pilot’s failure to fly a stabilized approach, and his configuration of the airplane that prevented activation of the landing gear not extended warning system…
- [NTSB WPR22LA272](https://openairdocs.org/ntsb/WPR22LA272.md): Piper PA-60-601P · Scappoose, WA · Accident · No injuries · Class 4 · Limited · Final report · Jul 13, 2022 · N601NG · Substantial damage
  > The pilot’s failure to extend the landing gear before landing. Contributing to the accident was the pilot’s failure to utilize a prelanding checklist.
- [NTSB WPR20CA243](https://openairdocs.org/ntsb/WPR20CA243.md): Quest Kodiac 100 · Hunts Point, WA · Accident · Minor injuries · Class 4 · Data collection · Final report · Jul 28, 2020 · N856TC · Substantial damage
  > The pilot’s failure to retract the landing gear during a water landing, which resulted in a nose over. Contributing to the accident was the pilot’s failure to properly use a prelanding checklist.
- [NTSB WPR16LA187](https://openairdocs.org/ntsb/WPR16LA187.md): Jurcan Seawind 3000 · Renton, WA · Accident · No injuries · Limited investigation · Final report · Sep 18, 2016 · N57TJ · Substantial damage
  > The failure of the landing gear system to either fully retract or extend due to a cracked hydraulic fitting flare, which resulted in the loss of hydraulic pressure.
- [NTSB WPR16LA127](https://openairdocs.org/ntsb/WPR16LA127.md): Piper PA46 · Seattle, WA · Accident · No injuries · Class 3 · Limited · Final report · Jun 2, 2016 · N301DM · Substantial damage
  > The pilot’s failure to use the emergency procedures checklist for generator failures or for gear extension following a loss of electrical power due to the separated flag terminal of a diode in overstress, which resulted in a gear-up landing.
- [NTSB WPR14CA287](https://openairdocs.org/ntsb/WPR14CA287.md): Mooney M20TN · Yakima, WA · Accident · No injuries · Data collection · Final report · Jun 28, 2014 · N633GL · Substantial damage
  > The pilot's failure to configure the landing gear for landing.
- [NTSB WPR14CA092](https://openairdocs.org/ntsb/WPR14CA092.md): Cessna 177RG · Richland, WA · Accident · No injuries · Data collection · Final report · Dec 1, 2013 · N7592V · Substantial damage
  > The pilot's failure to extend the landing gear prior to landing. Contributing to the accident was the pilot's diverted attention and not using a checklist.
- [NTSB WPR13CA422](https://openairdocs.org/ntsb/WPR13CA422.md): Beech 35 - Undesignat · Seattle, WA · Accident · No injuries · Data collection · Final report · Sep 21, 2013 · N5894S · Substantial damage
  > The pilot's distracted attention and failure to extend the landing gear, which resulted in a gear up landing.
- [NTSB WPR13CA369](https://openairdocs.org/ntsb/WPR13CA369.md): Cessna 172RG · Kent, WA · Accident · No injuries · Data collection · Final report · Aug 8, 2013 · N4886V · Substantial damage
  > Failure of the certified flight instructor and student pilot to complete the landing checklist resulting in a gear-up landing.
- [NTSB WPR12CA393](https://openairdocs.org/ntsb/WPR12CA393.md): Beech 95-55 · Spanoway, WA · Accident · No injuries · Data collection · Final report · Sep 4, 2012 · N4QC · Substantial damage
  > The pilot’s failure to lower the landing gear prior to landing.
- [NTSB WPR11FA159](https://openairdocs.org/ntsb/WPR11FA159.md): Fairchild SA227-AC · Seattle, WA · Accident · No injuries · Field investigation · Final report · Mar 11, 2011 · N671AV · Substantial damage
  > The pilot's failure to extend the landing gear, which resulted in a gear-up landing.
- [NTSB WPR10LA090](https://openairdocs.org/ntsb/WPR10LA090.md): Cessna 310 · Pasco, WA · Accident · No injuries · Limited investigation · Final report · Dec 12, 2009 · N2640C · Substantial damage
  > The failure of the right main landing gear up-lock.
- [NTSB WPR09CA294](https://openairdocs.org/ntsb/WPR09CA294.md): Dornier ALPHA-JET · Arlington, WA · Accident · No injuries · Data collection · Final report · Jun 17, 2009 · N707XA · Substantial damage
  > The pilot's failure to lower the landing gear prior to landing. Contributing to the accident were the distractions created by the pilot incorrectly setting a radio frequency and by his fixation on an airplane that was on the runway during his approach.
- [NTSB WPR09CA101](https://openairdocs.org/ntsb/WPR09CA101.md): Beech K35 · Port Townsend, WA · Accident · No injuries · Data collection · Final report · Nov 14, 2008 · N411B · Substantial damage
  > The pilot's failure to lower the landing gear prior to landing. Contributing to the accident was the pilot's failure to use a checklist and the distraction caused by the discussion with the passenger.
- [NTSB LAX08CA247](https://openairdocs.org/ntsb/LAX08CA247.md): Mooney M20K · Chehalis, WA · Accident · No injuries · Data collection · Final report · Jul 24, 2008 · N252MX · Substantial damage
  > The pilot's failure to lower the landing gear, resulting in a gear up landing.
- [NTSB LAX08FA144](https://openairdocs.org/ntsb/LAX08FA144.md): de Havilland DHC-2 MK I · Stehekin, WA · Accident · 2 fatal · Field investigation · Final report · May 17, 2008 · N9558Q · Substantial damage
  > The pilot's failure to retract the landing gear wheels prior to performing a water landing. Contributing to the accident were the pilot's disabling of the landing gear warning/advisory system and possible fatigue due to his work schedule.

## 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."eventStateOrRegion" = 'WA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE 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?state=WA

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