NTSB investigations
125 cases where the first occurrence was “Gear not extended”.
Cases per year
| 1983 | 2 |
|---|---|
| 1985 | 8 |
| 1986 | 1 |
| 1987 | 21 |
| 1988 | 17 |
| 1989 | 20 |
| 1990 | 16 |
| 1991 | 10 |
| 1992 | 8 |
| 1993 | 11 |
| 1994 | 9 |
| 1995 | 2 |
Where
Open the mapLatest cases
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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 196) 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.
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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 196) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB LAX95LA140Accident · No injuriesLimited investigationFinal reportCessna 182RG · Prescott, AZthe failure of the pilot to extend the landing gear prior to landing. The failure of the pilot to use a before landing checklist was a factor in this accident.NTSB MIA95LA081Accident · No injuriesLimited investigationFinal reportCessna R182 · Orlando, FLthe failure of the pilot-in-command to insure the landing gear was extended before landing.NTSB FTW95LA051Accident · No injuriesLimited investigationFinal reportCessna P210N · Alamosa, COFailure by the pilot to properly judge the touch down point. Factors were: failure of the nose landing gear to extend and rough and uneven terrain.NTSB NYC95LA014Accident · No injuriesLimited investigationFinal reportGrumman G-44 · Haymarket, VAThe pilot's failure to extend the landing gear which resulted in a gear up landing. A factor was the pilot's diverted attention.NTSB LAX94LA330Accident · No injuriesLimited investigationFinal reportBeech 95-B55 · Page, AZThe pilot's failure to follow procedures to assure that the landing gear was extended. His diverted attention due to the previous two go-arounds is a factor in this accident.NTSB MIA94LA187Accident · No injuriesLimited investigationFinal reportCessna 210-M · Orlando, FLThe improper installation of a nose gear actuator hydraulic line by an unknown person that bent it at installation. Contributing to the accident was the failure of the line allowing all hydraulic fluid to vent overboard disabling the normal and emergency gear…NTSB CHI94LA146Accident · No injuriesLimited investigationFinal reportCessna P210N · Bay City, MIThe pilot-in-command not following the airplane pre-landing checklist and the delay in landing gear extension.NTSB CHI94LA125Accident · No injuriesLimited investigationFinal reportCessna T210-M · Pomona, MOThe seperation of the landing gear door actuator, resulting in total loss of hydraulic fluid.NTSB SEA94LA089Accident · No injuriesLimited investigationFinal reportBeech 95-C55 · Gillette, WYProcedures/directives were not followed and partial failure of the landing gear selector switch. A factor to the accident was an inoperative gear warning system.NTSB CHI94LA112Accident · No injuriesLimited investigationFinal reportDassault-Breguet Falcon 900 · Detroit, MIthe nose landing gear jammed in the UP position due to low pressure in the nose gear strut. A factor associated with the accident is the manufacturer's insufficient standards/requirements for determining the amount of nose strut inflation.NTSB CHI94IA081Incident · No injuriesIncident investigationFinal reportBoeing 737-130 · Chicago, ILAn inadequate procedure for handling of wheel chocks by company maintenance and operations personnel. Factors associated with this accident were an inadequate inspection of the airplane by company maintenance personnel, and an inadequate pre-flight inspection…NTSB ATL94LA016Accident · No injuriesLimited investigationFinal reportCessna 310C · Charleston, SCThe failure of the right main landing gear to extend for undetermined reasons.NTSB FTW94LA029Accident · No injuriesLimited investigationFinal reportCessna 210 · Monte Vista, COFailure by the pilot in command to follow procedures and directives to lower the landing gear prior to landing.NTSB SEA94LA008Accident · No injuriesLimited investigationFinal reportCessna 172RG · Corvallis, ORThe cfi's inadequate in-flight planning, and his inadvertent gear-up landing. Factors include the cfi's diverted attention.NTSB SEA94LA005Accident · No injuriesLimited investigationFinal reportCessna T182RG · Casper, WYInadequate maintenance and inspection of the hydraulic line resulting in a loss of hydraulic pressure.NTSB CHI93LA362Accident · No injuriesLimited investigationFinal reportPiper PA-23-160 · Hobart, INThe certificated flight instructor's inadequate supervision of the flight during a simulated single engine approach and landing.NTSB LAX93LA340Accident · No injuriesLimited investigationFinal reportCessna 177RG · Cameron Park, CAThe pilot's failure to assure that the landing gear was down and locked. Factors relating to this accident were the alternator failure due to a broken wire and the low battery output.NTSB SEA93LA162Accident · No injuriesLimited investigationFinal reportBellanca 14-19-2 · Kanab, UTAn inadvertent wheel up landing. A factor to the accident was turbulence.NTSB FTW93LA135Accident · No injuriesLimited investigationFinal reportCessna 320C · No. Little Rock, ARThe failure of the pilot to follow the checklist. A factor was the popped circuit breakerNTSB LAX93LA174Accident · No injuriesLimited investigationFinal reportCessna T310R · Groveland, CAFailure of the pilot to follow the airplane's checklist which resulted in an inadvertent gear up landing.NTSB LAX93LA116Accident · No injuriesLimited investigationFinal reportCessna 210 · Fullerton, CAThe pilot's failure to follow the checklist. A factor relating to this accident was the misadjustment of the landing gear locking mechanism which caused intermittent operation.NTSB MIA93LA044Accident · No injuriesLimited investigationFinal reportBeech 1900D · Fort Myers, FLFailure of the pilot-in-command to follow the checklist and complacency of the pilot-in-command for failure to extend the landing gear before landing.NTSB SEA93LA027Accident · No injuriesLimited investigationFinal reportSwearingen SA-226TC · Billings, MTFailure of a gear door roller, which necessitated a gear up landing. Factors include inadequate lubrication.NTSB ATL93FA021Accident · No injuriesField investigationFinal reportHawker Siddeley DH.125-400A · Nashville, TNThe company mechanic's improper preflight of the aircraft, resulting in a foreign object (flashlight) being left in the nose gear well.NTSB CHI92FA290Accident · No injuriesField investigationFinal reportBeech B55 · Joliet, ILThe pilot's inadvertent wheels up landing.NTSB LAX92LA287Accident · No injuriesLimited investigationFinal reportPiper PA-28R-201 · Tucson, AZThe failure of the student to extend the landing gear prior to landing and the failure of the flight instructor to properly supervise the conduct of the flight.NTSB SEA92LA128Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Seattle, WAThe pilot's failure to follow procedures. A factor to the accident was: diverted attention.NTSB CHI92IA141Incident · No injuriesIncident investigationFinal reportPiper PA-23-250 · Valentine, NEThe failure of the pilot in command to extend the landing gear and the inattentive FAA inspector (check airman). Associated factors are the inoperative landing gear warning system, the inadequate preflight inspection by the pilot and FAA inspector, and the…NTSB MIA92IA100Incident · No injuriesIncident investigationFinal reportCessna 402C · Miami, FLThe total failure of the main landing gear uplock and sequencing valve for undetermined reasons.NTSB DEN92LA030Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Monte Vista, COOperation of the aircraft with known deficiencies in equipment by the pilot in command, and jammed landing gear extension mechanisms due to corrosion.NTSB DEN92LA015Accident · No injuriesLimited investigationFinal reportBeech V35 · Erie, COAn inadvertent gear up landing when the pilot in command and designated examiner failed to use proper procedures. A factor was: failure of the landing gear extension/retraction motor.NTSB DEN92LA012Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Denver, COA false unsafe landing gear indication due to a frozen down lock switch. Factors were: icing conditions and low ceilings.NTSB ATL92LA004Accident · Serious injuriesLimited investigationFinal reportBeech F33A · Franklin, NCThe pilot's failure to lower the landing gear resulting in a gear up contact with the runway, and the eventual loss of control of the airplane.NTSB SEA91LA245Accident · No injuriesLimited investigationFinal reportCessna 210 · Arlington, WAThe pilot's failure to extend the landing gear. A factor contributing to the accident was the pilot's failure to utilize the landing checklist.NTSB SEA91LA214Accident · No injuriesLimited investigationFinal reportBeech 58TC · Kalispell, MTThe pilot's failure to extend the landing gear. A factor contributing to the accident was the pilot's failure to identtify a down and locked landing gear condition prior to touchdown.NTSB ATL91LA149Accident · No injuriesLimited investigationFinal reportPiper PA-31-325 · Spartanburg, SCThe pilot's failure to follow the checklist and extend the landing gear prior to touchdown.NTSB LAX91LA277Accident · No injuriesLimited investigationFinal reportFairchild SA227-AC · Visalia, CAThe instructor/pilot-in-command's failure to adequately supervise the flight and the second pilot's improper use of the checklist and failure to maintain crew coordination to ensure that the landing gear was extended. Contributing to the accident was the…NTSB ANC91IA046Incident · No injuriesIncident investigationFinal reportNihon YS-11A-600 · Anchorage, AKA jammed nose gear due to incorrect installation of the shear pin. Contributing to the accident was the insufficiently defined maintenance procedure.NTSB ATL91LA068Accident · No injuriesLimited investigationFinal reportCessna 210G · Metter, GAThe pilot's failure to extend the landing gear when his attention was diverted by radio conversation.NTSB MIA91LA070Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Orlando, FLFailure of the pilot to follow proper procedures resulting in a gearup landing.NTSB BFO91LA011Accident · No injuriesLimited investigationFinal reportFairchild SA227-AC · Covington, KYThe pilot-in-command's failure to extend the landing gear prior to touchdown. Checkride-induced pressure was a contributing factor, and inadequate supervision by the check pilot was a factor.NTSB ATL91LA002Accident · No injuriesLimited investigationFinal reportMooney M20E · Greensboro, NCThe failure of the rubber/metal coupling in the landing gear actuator assembly, which resulted in the inability of the pilot to lower and lock the landing gear.NTSB SEA90LA175Accident · No injuriesLimited investigationFinal reportMooney M-20E · Cheyenne, WYPilot's failure to extend the landing gear prior to landing after having been distracted by traffic. A mitigating factor in this accident was the fact that the gear warning horn did not function.NTSB LAX90IA305Incident · Minor injuriesIncident investigationFinal reportBoeing 747-422 · Los Angeles, CAThe failure of the manufacturer to ensure that the landing gear selector valves and their associated drum link assemblies were properly installed prior to delivery of the aircraft. A factor in the accident was the lack of information available to the crew…NTSB LAX90IA293Incident · No injuriesIncident investigationFinal reportBoeing 737-322 · Los Angeles, CAImproper maintenance service by a company employee who allowed a foreign object (flashlight) to remain in the landing gear extend/retract linkage during a night servicing before the flight.NTSB NYC90IA178Incident · No injuriesIncident investigationFinal reportDe Havilland DHC-7-102 · New York, NYThe flight crew's failure to folllow the landing gear emergency checklist. Factors which contributed to the incident were: a jammed nose landing gear due to the installation of a bogus part by unknown person(s) and a dirty gear viewing window.NTSB DEN90LA148Accident · No injuriesLimited investigationFinal reportPiper PA24-250 · Broomfield, COThe failure of the pilot to extend the landing gear for landing. Contributing factors were the pilot diverting his attention from the task at hand and failure to use a checklist.NTSB SEA90LA096Accident · No injuriesLimited investigationFinal reportCessna 310B · Albany, ORThe pilot's failure to extend the landing gear before landing, when he became distracted by a change in his normal routine.NTSB BFO90FA053Accident · 2 fatalField investigationFinal reportBeech 36 · Gaithersburg, MDFailure of the pilot to extend the landing gear, which resulted in a wheels up landing; his improper decision to attempt a go around (aborted landing) after the airplane contacted the runway; and his failure to attain or maintain adequate airspeed while…NTSB CHI90LA141Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Plainfield, ILThe pilot's failure to insure that the landing gear was extended and locked prior to touchdown.