Final NTSB investigations
406 cases where the first occurrence was “Main gear collapsed”.
Cases per year
| 1982 | 48 |
|---|---|
| 1983 | 27 |
| 1984 | 33 |
| 1985 | 23 |
| 1986 | 24 |
| 1987 | 20 |
| 1988 | 20 |
| 1989 | 33 |
| 1990 | 14 |
| 1991 | 13 |
| 1992 | 21 |
| 1993 | 21 |
| 1994 | 9 |
| 1995 | 10 |
| 1996 | 9 |
| 1997 | 17 |
| 1998 | 9 |
| 1999 | 10 |
| 2000 | 6 |
| 2001 | 6 |
| 2002 | 9 |
| 2003 | 5 |
| 2004 | 3 |
| 2005 | 4 |
| 2006 | 7 |
| 2007 | 5 |
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.\"completionStatus\" = 'Completed'
AND c.\"mKey\" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 191)
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."completionStatus" = 'Completed' AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 191) 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 SEA08LA029Accident · No injuriesLimited investigationFinal reportPiper PA-44-180 · Byron, CAThe failure of the right main landing gear aft trunnion attach fitting due to overload during the landing roll.NTSB DEN07LA156Accident · No injuriesLimited investigationFinal reportCessna 402B · Hobbs, NMThe failure of the left main landing gear down lock due to overload causing the main landing gear to collapse.NTSB CHI07CA285Accident · No injuriesData collectionFinal reportNavion Navion H · Atlantic, IAThe pilot's improper flare and touchdown during landing resulting in overload failure of the left main landing gear. A contributing factor was the pilot's distraction due to the unlatched cabin door.NTSB DFW07CA128Accident · No injuriesData collectionFinal reportDoggett Jack Samson · Conroe, TXThe failure of the main landing gear for undetermined reasons.NTSB CHI07LA159Accident · No injuriesLimited investigationFinal reportCessna 340A · Middleton, WIFailure of the right main landing gear extension and retraction linkage, which allowed the gear assembly to collapse during landing rollout. An additional cause was the improper adjustment procedure(s) by undetermined mechanic(s). The runway lights struck…NTSB CHI07CA028Accident · No injuriesData collectionFinal reportCessna 421C · Moline, ILThe incorrect installation of the torque link scissor assembly by maintenance personnel, which resulted in the collapse of the right main landing gear during landing.NTSB ATL07LA004Accident · No injuriesLimited investigationFinal reportPiper PA-28R-180 · Alabaster, ALThe jammed landing gear hydraulic motor shuttle valve.NTSB CHI06CA279Accident · No injuriesData collectionFinal reportMeyers MAC-145 · Manistique, MIThe pilot not verifying the landing gear selector position prior to starting the taxi.NTSB MIA06LA130Accident · No injuriesLimited investigationFinal reportCessna 550 · Marathon, FLThe separation for undetermined reasons of the stud (P/N 6541204-5) which secures the main landing gear actuator assembly side brace to the main landing gear outer cylinder, allowing partial collapse of the right main landing gear while taxiing after landing.NTSB LAX06LA225Accident · No injuriesLimited investigationFinal reportCessna 210K · Novato, CAThe failure of the left main landing gear to extend for undetermined reasons.NTSB SEA06CA087Accident · No injuriesData collectionFinal reportCessna 310R · Billings, MTCollapse of the right main landing gear during the landing roll for an undetermined reason.NTSB CHI06CA068Accident · No injuriesData collectionFinal reportCessna 310Q · Griffith, INThe overload failure of the right main landing gear locking mechanism due to undetermined reasons.NTSB CHI05CA244Accident · No injuriesData collectionFinal reportCessna 414 · Drummond Island, MIThe right main gear collapsed due to undetermined reasons. A factor associated with the accident was the fence that the airplane contacted.NTSB CHI05LA136Accident · No injuriesLimited investigationFinal reportCessna 182TR · Wheeling, ILThe pilot failed to verify that the landing gear were fully extended and failed to perform the emergency landing gear extention procedures. Factors to the accident included the low hydraulic fluid level, and the weak battery that resulted in a partial…NTSB MIA05LA108Accident · No injuriesLimited investigationFinal reportBeech 58 · Gulfport, MSThe inadequate maintenance inspection by maintenance personnel which resulted in damaged landing gear pulleys, resulting in the failure of the landing gear downlock to engage, and collapse of the main landing gear during landing.NTSB MIA05LA062Accident · No injuriesLimited investigationFinal reportHoward DGA-15 · Daytona Beach, FLMaintenance personnel failure to detect corrosion in the landing gear strut, resulting in the gear collapsing during landing and damage to the airplane.NTSB MIA05LA018Accident · No injuriesLimited investigationFinal reportCessna 340A-RAM VI · Pensacola, FLThe left landing gear collapsing due to the actuator separating for undetermined reasons.NTSB CHI04LA199Accident · No injuriesLimited investigationFinal reportRockwell 114 · Grand Rapids, MIThe right main landing gear failed as a result of the fatigue fracture due to the casting defect (inclusion) during the manufacture process.NTSB CHI04IA178Incident · No injuriesIncident investigationFinal reportBeech 1900D · Milwaukee, WIThe fatigue fracture of the left main landing gear during landing roll.NTSB MIA04LA038Accident · No injuriesLimited investigationFinal reportCessna 172RG · Key West, FLPilot's improper emergency landing gear extension procedure which resulted in the right main landing gear not locking in the down position subsequent right main landing gear collapsing on landing.NTSB ANC03LA126Accident · No injuriesLimited investigationFinal reportCessna 170A · Skwentna, AKAn overload failure of the axle retaining nut/bolt assembly, which resulted in the separation of the axle/wheel assembly, and subsequent collapse of the right main landing gear strut during the landing roll.NTSB LAX03LA304Accident · No injuriesLimited investigationFinal reportPiper PA-28R-180 · Prescott, AZThe collapse of the right main gear during the landing roll for undetermined reasons.NTSB SEA03LA133Accident · No injuriesLimited investigationFinal reportCessna 402 B · Lakeview, ORFailure of the landing gear shaft roll pin resulting in a main gear collapse during the taxi phase of operation.NTSB ANC03LA053Accident · No injuriesLimited investigationFinal reportCessna 320 · McCarthy, AKThe collapse of the left main landing gear during the landing roll for undetermined reasons.NTSB LAX03LA033Accident · No injuriesLimited investigationFinal reportCessna 172M · Rosamond, CAThe fatigue failure of left main landing gear strut at the upper fuselage aft attachment hole, which resulted in the collapse of the left main landing gear during the landing roll.NTSB SEA03LA001Accident · No injuriesLimited investigationFinal reportCurtiss-Wright Travel Air 4000 · Tillamook, ORThe fracture of the weld joining the left main wheel strut to the left/right main wheel axel resulting in separation of the strut from the axle during an unknown phase of operation which ultimately lead to the left gear collapse and subsequent nose-over on…NTSB CHI02LA210Accident · No injuriesLimited investigationFinal reportCessna 402B · St. Louis, MOThe landing gear collapsed for undetermined reasons.NTSB FTW02LA184Accident · No injuriesLimited investigationFinal reportCessna P210N · Shreveport, LAthe collapse of the right main landing gear for undetermined reasons.NTSB SEA02LA084Accident · No injuriesLimited investigationFinal reportPaxhia Murphy SR3500 · Seattle, WAThe failure of the left main gear leg AN-5 attach fitting bolt.NTSB ANC02LA033Accident · No injuriesLimited investigationFinal reportBellanca 7GCBC · Yakutat, AKThe collapse of the left main landing gear during the landing roll due to a fractured main gear leg strut.NTSB SEA02LA077Accident · No injuriesLimited investigationFinal reportCessna 177B · New Plymouth, IDThe pilot's use of unsuitable terrain (landing surface) at his privately owned landing site. A contribtuing factor was the soft area which the aircraft's right main wheel encountered.NTSB LAX02LA142Accident · No injuriesLimited investigationFinal reportCessna 340A · Lancaster, CAThe collapse of the right main landing gear as a result of a malfunctioning microswitch.NTSB SEA02LA057Accident · No injuriesLimited investigationFinal reportCessna 340 · Idaho Falls, IDThe overload of the right main landing gear bellcrank, adjustable end fitting and clevis ears resulting in fractures and the subsequent gear collapse.NTSB DEN01LA118Accident · No injuriesLimited investigationFinal reportBeech BE76 · Hudson, COmain landing gear collapse on touchdown for reasons undetermined.NTSB MIA01LA174Accident · No injuriesLimited investigationFinal reportSocata TB-20 · Naples, FLThe collapse of the left main landing gear for undetermined reasons resulting in the loss of directional control and subsequent on-ground collision with a ravine.NTSB LAX01FA201Accident · No injuriesField investigationFinal reportPiper PA-31-350 · North Las Vegas, NVfatigue failure of the right main landing gear retraction arm.NTSB MIA01LA137Accident · No injuriesLimited investigationFinal reportPiper PA-34-200 · Venice, FLThe failure of the pilot to attain the proper touchdown point resulting in a long landing and subsequent collapse of the right main landing gear. Also, failure of the pilot to perform a go-around following a long landing.NTSB MIA01IA091Incident · No injuriesIncident investigationFinal reportCessna 402C · Fort Lauderdale, FLIncomplete compliance with a non-mandatory Cessna Service Information Letter by an unknown person resulting in pulling through of the attach bolt of the upper and lower link assemblies and subsequent rotation of the right wheel assembly. Additionally,…NTSB ATL01LA030Accident · No injuriesLimited investigationFinal reportLearjet 25B · Ft. Pierce, FLThe mechanic's failure to properly install and secure the left main landing gear aft trunnion pin in accordance with procedures.NTSB FTW01LA044Accident · No injuriesLimited investigationFinal reportCessna TR182 · Little Rock, ARthe failure of the right main landing gear actuator.NTSB LAX00LA330Accident · No injuriesLimited investigationFinal reportPiper PA-28-161 · Palo Alto, CAThe failure of maintenance personnel to detect and correct loose attachment fasteners and fretting at the landing gear attachment during maintenance inspections.NTSB NYC00LA190Accident · No injuriesLimited investigationFinal reportSpartan 7W · Jefferson, OHThe overload failure of the left main gear strut housing.NTSB LAX00LA224Accident · No injuriesLimited investigationFinal reportPiper PA-20 · Quincy, CAThe fracture and failure of the main landing gear strut to shock absorber attachment fitting.NTSB LAX00LA188Accident · No injuriesLimited investigationFinal reportCessna 310Q · Mesa, AZthe overload fracture and separation of the right main landing gear attachment.NTSB MIA00IA104Incident · No injuriesIncident investigationFinal reportBeech 58 · Memphis, TNfailure of the right main landing gear's dynamic brake relay, that resulted in the motor driving the gearbox past prescribed limits, resulting in a bent connecting rod, and failure of the gear to extend.NTSB LAX00LA004Accident · No injuriesLimited investigationFinal reportCessna 421B · Montague, CAThe collapse of the left main landing gear during the landing rollout for undetermined reasons, which resulted in the pilot's loss of directional control.NTSB FTW00LA002Accident · No injuriesLimited investigationFinal reportCessna 210L · Fayetteville, ARThe cause of the right main gear collapse was undetermined. A factor was the failure of the gear 'down & locked' switch resulting in a false 'down & locked' indication in the cockpit.NTSB FTW99LA258Accident · No injuriesLimited investigationFinal reportCessna 172RG · Fort Smith, ARThe failure of the electric pump motor/hydraulic power pack resulting in the collapse of the right main landing gear upon landing.NTSB MIA99LA236Accident · Minor injuriesLimited investigationFinal reportMichael L. Luckey Sportsman 2 + 2 · Grand Junction, TNThe improper spoiler extension by the passenger following the bounced landing, which resulted in the hard landing and collapse of the left main landing gear.NTSB CHI99LA291Accident · No injuriesLimited investigationFinal reportCessna 182 · Tecumseh, MIfracture of the right main landing gear strut.