NTSB investigations, 1989
33 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
Latest 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 year(c.\"eventDate\") = 1989
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 year(c."eventDate") = 1989 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 ANC90LA023Accident · No injuriesLimited investigationFinal reportChampion 7ECA · Tanana, AKFailure of the right main gear axle bolt.NTSB LAX90DVG02Accident · No injuriesFinal reportSchweizer G-164B · Knights Landing, CAThe failure of the right main Landing gear due to a sheared bolt that attached the spring leg to the gear.NTSB LAX90DUJ01Accident · No injuriesFinal reportRoger Nelson Aeronica/T · Sierra Vista, AZThe pilot's inaccurate placement of the aircraft wheels into depressions in a platform mounted on a moving pickup truck during an airshow performance.NTSB MIA90LA004Accident · No injuriesLimited investigationFinal reportMaule M-4-220C · Orlando, FLFailure of the left main landing gear.NTSB ANC90LA003Accident · No injuriesLimited investigationFinal reportPiper PA-22 · Dillingham, AKFailure of the right main gear.NTSB MIA89LA239Accident · No injuriesLimited investigationFinal reportLake LA-4-200 · Orlando, FLRetraction of the right main landing gear for an unknown reason.NTSB SEA89FA155Accident · No injuriesField investigationFinal reportCessna 402B · Seattle, WAThe landing gear down lock mechanism failure.NTSB ANC89LA142Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Red Lake, AKThe pilot's selection of unsuitable terrain. The rough/uneven terrain was a contributing factor.NTSB MIA89LA216Accident · No injuriesLimited investigationFinal reportCessna 195B · Hollywood, FLThe failure of the left main landing gear spring due to low cycle fatigue, resulting in the loss of control of the ground.NTSB DEN89LA172Accident · No injuriesLimited investigationFinal reportCessna T188C · Fort Benton, MTOverload failure of the left main landing gear attaching bolts for an unknown reason.NTSB DEN89LA147Accident · No injuriesLimited investigationFinal reportBeech A24R · Evanston, WYThe pilot became disoriented and delayed in taking remedial action, which resulted on a critically low fuel level. A factor related to the accident was: rough/uneven terrain in the emergency landing area.NTSB DEN89LA138Accident · No injuriesLimited investigationFinal reportPiper PA-34-200T · Las Cruces, NMFailure of the left main landing gear trunnion. A contributing factor was: inadequate inspection procedure in Piper service bulletin #787A.NTSB ANC89LA093Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Eek, AKFailure of the center torque link bolt on the right main gear.NTSB CHI89LA106Accident · No injuriesLimited investigationFinal reportPiper PA-38-112 · Elyria, OHFailure (shearing) of the right main gear attaching bolts. A contributing factor was: failure of the owner/operator to comply with service bulletin #673B.NTSB DEN89FA123Accident · Minor injuriesField investigationFinal reportMcdonnell Douglas MD-80 · Denver, COA right main landing gear vibration of unknown origin, which resulted in a failure of the right main landing gear torque link and side brace.NTSB DEN89IA124Incident · No injuriesIncident investigationFinal reportBoeing 727-247 · Denver, COFailure of the left main landing gear forward trunnion bearing support fitting due to a crack initiating at the forward edge of the bore and propagating by intergranular stress corrosion into the bore surface that resulted in an eventual ductile fracture.NTSB LAX89LA201Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · San Diego, CAThe collapse of the right main landing gear due to a bent rod end which prevented the landing gear drag link to lock over center.NTSB SEA89LA089Accident · No injuriesLimited investigationFinal reportChampion 7GCB · Copalis Beach, WAThe pilot's failure to perform the necessary preflight planning and preparation which resulted in the selection of unsuitable terrain for landing. Contributing to the accident was the soft sand bar.NTSB MIA89LA147Accident · No injuriesLimited investigationFinal reportCessna 310P · Fort Myers, FLCollapse of the left main landing gear due to overload failure of the trunnion and bellcrank assembly.NTSB MIA89IA145Incident · No injuriesIncident investigationFinal reportPiper PA-34-200T · Miami, FLFatigue failure of the left main landing gear trunnion. A contributing factor was: inadequate inspection procedure in Piper service bulletin #787A.NTSB CHI89IA084Incident · No injuriesIncident investigationFinal reportFokker F-27 MK500 · Moline, ILMaterial failure of the landing gear retraction and extension assembly. Inadequate maintenance and troubleshooting procedures in company directives were factors in this incident.NTSB NYC89LA127Accident · No injuriesLimited investigationFinal reportCessna 150G · Hudson, NYFatigue failure of the right main strut.NTSB LAX89FA160Accident · Minor injuriesField investigationFinal reportSikorsky S-58ET · Santa Ana, CAFailure of the landing gear resulting from excessive loading during ground operations, and fatigue cracking.NTSB ANC89LA058Accident · No injuriesLimited investigationFinal reportCessna 185 · Trinity Lake, AKThe pilot's selection of unsuitable terrain on which to land.NTSB MIA89LA121Accident · No injuriesLimited investigationFinal reportCessna 340A · West Palm Beach, FLFailure of the right main landing gear bellcrank assembly due to binding and inadequate maintenance lubrication.NTSB ATL89LA108Accident · No injuriesLimited investigationFinal reportBeech A36 · Chamblee, GAThe inattention of the pilot which resulted in the inadvertent retraction of the landing gear during the landing roll.NTSB CHI89FA058Accident · No injuriesField investigationFinal reportCessna 177RG · Rockford, ILThe inadequate servicing of the hydraulic fluid by maintenance personnel and the pilot's failure to extend the landing gear manually.NTSB MIA89LA107Accident · No injuriesLimited investigationFinal reportCessna 402A · Miami, FLThe overload failure of the bellcrank for the left main gear retraction linkage assembly for an unknown reason.NTSB ATL89LA097Accident · No injuriesLimited investigationFinal reportCessna 180J · W. Columbia, SCImproper torquing of the attachment bolt during installation by unknown person(s), which resulted in the separation of the bolt and nut and subsequent separation of the main landing gear from the airplane.NTSB MIA89IA094Incident · No injuriesIncident investigationFinal reportBeech B60 · Jacksonville, FLFailure of the left main landing gear retract rod due to poor maintenance and inspection of the main gear assembly.NTSB ANC89LA044Accident · No injuriesLimited investigationFinal reportPiper J-5 · Skwentna, AKThe pilot's selection of unsuitable terrain. A contributing factor is the pilot's lack of experience in off airport landings.NTSB MIA89LA085Accident · No injuriesLimited investigationFinal reportCessna 340A · Jacksonville, FLSeizure of the right main landing gear upper downlock top bushing, and the failure of other maintenance personnel to properly rig the landing gear down light micro switches.NTSB ANC89LA030Accident · No injuriesLimited investigationFinal reportChampion 7GCBC · Cantwell, AKThe pilot's selection of unsuitable terrain for landing. Contributing factors were the pilot's lack of total experience, and the snow covered runway.