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Landing gear/wheel fairing

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NTSB finding · Aircraft › Aircraft systems › Landing gear system

All 9 cases8 in the probable cause
Cases
9
In the probable cause
8 (89%)
Fatal cases
0
NTSB code
01023201

NTSB has coded findings and defining events since 2008. Earlier cases used its older occurrence and cause codes, so they aren’t counted here.

When and where

In green, cases where NTSB made it part of the probable cause; in gray, a factor or other finding. Findings are coded with the final report, often a year or more after the event, so the latest years are incomplete.

Cases per year

2008In the probable causeFactor only2026

Where

Open the map
Query with SQL
duckdb -csv -c "SELECT year(c.\"eventDate\") AS year, count(DISTINCT f.case_mkey) AS cases,
    count(DISTINCT f.case_mkey) FILTER (WHERE f.\"inProbableCause\") AS in_probable_cause
  FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = f.case_mkey
  WHERE starts_with(f.\"findingCode\", '01023201') AND c.\"eventDate\" >= DATE '2000-01-01'
  GROUP BY 1
  ORDER BY 1"

Prints the counts as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

In the same cases

Defining events
Aircraft models

Aircraft matched to the registry by N-number and date.

Other findings
Query with SQL
duckdb -csv -c "WITH matched AS (SELECT DISTINCT case_mkey, aircrafts_position FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' WHERE starts_with(\"findingCode\", '01023201'))
  SELECT * FROM (
  SELECT 'Defining event' AS kind, e.\"tier2Number\" AS code, max(e.\"eventTier2Name\") AS name, count(DISTINCT f.case_mkey) AS cases
  FROM matched f JOIN 'https://openairdocs.org/data/latest/ntsb_events.parquet' e ON e.case_mkey = f.case_mkey AND e.aircrafts_position = f.aircrafts_position AND e.\"isDefiningEvent\"
  WHERE e.\"tier2Number\" <> ''
  GROUP BY ALL
  UNION ALL
  SELECT 'Aircraft model', a.aircraft_model_code, any_value(concat_ws(' ', m.manufacturer, m.model)), count(DISTINCT f.case_mkey)
  FROM matched f JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = f.case_mkey AND a.position = f.aircrafts_position
  LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m ON m.code = a.aircraft_model_code
  WHERE a.aircraft_model_code IS NOT NULL
  GROUP BY ALL
  UNION ALL
  SELECT 'Other finding', left(g.\"findingCode\", 8), max(g.\"tier4Name\"), count(DISTINCT g.case_mkey)
  FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' g
  WHERE g.case_mkey IN (SELECT case_mkey FROM matched) AND NOT starts_with(g.\"findingCode\", '01023201') AND g.\"findingCode\" GLOB '[0-9][0-9]*'
  GROUP BY ALL
  )
  QUALIFY row_number() OVER (PARTITION BY kind ORDER BY cases DESC) <= 10
  ORDER BY kind, cases DESC"

Prints the counts as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Newest cases · 9

NTSB WPR26LA175Accident · No injuriesClass 4 · LimitedFinal reportCosmos Phase II · Prineville, ORThe pilot's inability to maintain directional control during the landing roll due to a flat tire.May 2, 2026 · N145W · Substantial damageNTSB ERA20CA187Accident · No injuriesClass 4 · Data collectionFinal reportAviat A1B · Guntersville, ALThe pilot's failure to retract the amphibious airplane's landing gear wheels prior to a water landing, which resulted in a nose over.May 15, 2020 · N990HP · Substantial damageNTSB ERA19LA227Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA22 · Hastings, FLThe pilot’s failure to secure the engine primer control, which resulted in an overly rich fuel/air mixture and degraded engine performance. Contributing to the accident was the pilot’s failure to abort the takeoff in a timely manner.Jul 14, 2019 · N7833D · Substantial damageNTSB GAA18CA174Accident · No injuriesData collectionFinal reportCessna P210 · Jacksonville, FLThe pilot’s failure to extend the landing gear before landing. Contributing to the accident were pilot fatigue and his failure to use the before landing checklist.Feb 20, 2018 · N81MT · Substantial damageNTSB ERA17LA096Accident · No injuriesLimited investigationFinal reportBeech 200 · West Palm Beach, FLThe pilot's failure to ensure that the landing gear were down and locked before touchdown. Contributing to the accident was the pilot’s self-reported fatigue at the time of the accident.Jan 27, 2017 · N60RA · Substantial damageNTSB GAA16CA299Accident · Minor injuriesData collectionFinal reportBareiss David A Tango 2 · Sunrise Beach Village, TXThe nosewheel fairing becoming packed with debris during landing on the soft field due to a gap between the nosewheel tire and the fairing, which resulted in a loss of control and subsequent nose-over.Jun 10, 2016 · N324TT · Substantial damageNTSB CEN13LA534Accident · No injuriesLimited investigationFinal reportBarrow Rose Parrakeet · Castroville, TXThe failure of the left main landing gear wheel on landing due to overstress, which resulted in the pilot’s loss of directional control. Contributing to the accident was the pilot's improper decision to install wheels with insufficient loading capacity for…Sep 7, 2013 · N1732 · Substantial damageNTSB WPR12CA401Accident · No injuriesData collectionFinal reportPiper PA-22-108 · Lewiston, IDThe pilot’s inadequate postmaintenance and preflight inspections, which resulted in the separation of the left main wheel after takeoff. Contributing to the accident was the improperly secured left main wheel spindle nut.Sep 4, 2012 · N4798Z · Substantial damageNTSB CEN10LA014Accident · No injuriesLimited investigationFinal reportCessna T210L · Albuquerque, NMThe mechanic's failure to find and repair a leaking main landing gear hydraulic line during an annual inspection.Oct 14, 2009 · N211LC · Substantial damage
Query with SQL
duckdb -csv -c "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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '01023201'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.