NTSB investigations, 1999
132 cases where the first occurrence was “Airframe/component/system failure/malfunction”.
Cases per year
| 1982 | 177 |
|---|---|
| 1983 | 260 |
| 1984 | 220 |
| 1985 | 186 |
| 1986 | 184 |
| 1987 | 182 |
| 1988 | 194 |
| 1989 | 141 |
| 1990 | 134 |
| 1991 | 144 |
| 1992 | 149 |
| 1993 | 132 |
| 1994 | 115 |
| 1995 | 141 |
| 1996 | 148 |
| 1997 | 139 |
| 1998 | 135 |
| 1999 | 132 |
| 2000 | 146 |
| 2001 | 120 |
| 2002 | 140 |
| 2003 | 140 |
| 2004 | 122 |
| 2005 | 113 |
| 2006 | 114 |
| 2007 | 121 |
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 year(c.\"eventDate\") = 1999
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\" = 130)
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") = 1999 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" = 130) 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 FTW00LA055Accident · No injuriesLimited investigationFinal reportCessna 172L · New Orleans, LAThe pilot's inadvertent starting of the engine. Factors were the pilot's failure to set the mixture control to the off position, and the intermittent short in the starter switch.NTSB CHI00FA050Accident · No injuriesField investigationFinal reportIsrael Aircraft Industries 1124A · Milwaukee, WIThe failure of the first stage pressure reducer in the oxygen regulator assembly.NTSB DEN00IA032Incident · No injuriesIncident investigationFinal reportBoeing 737-347 · Salt Lake City, UTImproper assembly of the wheel during build up in the operator's maintenance facilities.NTSB SEA00LA032Accident · No injuriesLimited investigationFinal reportCessna 140 · Helena, MTSeparation of the left main landing gear. Factors include inadequate preflight inspection by the pilot, and inadequate inspection at the time of annual inspection by maintenance personnel.NTSB ATL00LA015Accident · No injuriesLimited investigationFinal reportMaule M7-235C · Iuka, MSThe separation of the nicopress fitting allowing a release of the rudder cable resulting in a loss of control during landing roll. A factor was the manufacturer's use of an improperly calibrated crimping tool.NTSB NYC00MA048Accident · 3 fatalMajor investigationFinal reportIsrael Aircraft Industries 1124A · Gouldsboro, PAThe improper assembly of the horizontal stabilizer trim actuator unit by maintenance personnel.NTSB CHI00LA043Accident · 2 fatalLimited investigationFinal reportMcCarty Wittman W-8 Tailwind · Jamestown, NDthe wing spar failure due to its inadequate construction by the owner/builder.NTSB LAX00LA049Accident · 1 fatalLimited investigationFinal reportCorbin/King Osprey 2 · Chula Vista, CAThe pilot exceeded the design stress limits of the airplane resulting in wing overload and separation.NTSB DEN00IA023Incident · No injuriesIncident investigationFinal reportBoeing 767-232 · Salt Lake City, UTTotal failure of the main landing gear retract actuator due to stress corrosion caused by the use of a faulty sealant by company maintenance personnel that allowed moisture to enter the joint. A factor was the use of an improper fillet seal.NTSB DEN00LA024Accident · No injuriesLimited investigationFinal reportCessna 305A · Akron, COThe failure of the four bolts which attach the right main landing gear assembly to the landing gear strut.NTSB LAX00LA045Accident · Serious injuriesLimited investigationFinal reportLewis Stewart S-51 · Aguila, AZThe jamming of a main landing gear in its wheel well for undetermined reasons.NTSB SEA00LA025Accident · No injuriesLimited investigationFinal reportDassault DA-20 · Boise, IDFailure of the forward gear door lock pin. An inoperative landing gear door and inadequate maintenance inspection of the aircraft were factors.NTSB MIA00FA030Accident · 2 fatalField investigationFinal reportBell 212 · Philadelphia, MSThe failure of the pilot and company maintenance personnel during preflight and periodic inspections to identify the signs of fretting and looseness in the "red" main rotor blade pitch change horn to main rotor blade grip attachment, resulting in the…NTSB LAX00TA051Accident · No injuriesFinal reportde Havilland DHC-7 · Kwajalein, Marshall IslandsThe failure of the flight crew to properly execute the emergency landing gear extension procedure in response to a landing gear unsafe cockpit indication.NTSB CHI00LA038Accident · No injuriesLimited investigationFinal reportCessna 310Q · Moline, ILthe landing gear locking mechanism was not properly locked. Factors relating to this accident were the improper rigging of the gear and the runway marker.NTSB NYC00IA036Incident · No injuriesIncident investigationFinal reportBoeing 767-200 · Jamaica, NYTotal failure of the stabilizer control system for undetermined reasons.NTSB DEN00LA020Accident · No injuriesLimited investigationFinal reportCessna 210D · Sheridan, WYThe partial failure of the engine driven hydraulic pump.NTSB SEA00LA018Accident · Minor injuriesLimited investigationFinal reportPiper PA18 · Malheur City, ORThe pilot's excessive descent rate during an attempted precautionary landing. Factors include the pilot's intentional operation of his aircraft with a known electrical system deficiency, a malfunction of the electrical system while in flight, the pilot's…NTSB SEA00IA019Incident · No injuriesIncident investigationFinal reportBoeing 737-400 · Portland, ORArcing in the electrical system wiring for undetermined reasons.NTSB SEA00TA013Accident · Serious injuriesFinal reportHiller UH-12E · Stites, IDInadequate inspection of the control rotor cuff by a company mechanic and subsequent fatigue fracture of the cuff, resulting in an inflight separation of the control rotor blade. Factors contributing to the accident were: inadequate quality control during…NTSB CHI00IA018Incident · No injuriesIncident investigationFinal reportBoeing 757-222 · Chicago, ILthe in-flight vibration of the airplane's elevator due to excessive freeplay in the elevator control system. Factors included the corrosion of the elevator PCA reaction link bearings and the elevator hinge bearings, excessive axial and radial wear of the…NTSB IAD00LA002Accident · Minor injuriesLimited investigationFinal reportLoral GZ-22 · Mogadore, OHThe failure of the flight control system manufacturer to meet design (hardness) specifications that resulted in stripped splines.NTSB NYC00LA021Accident · No injuriesLimited investigationFinal reportEurocopter AS-350-BA · Westbury, NYthe failure of the operator to ensure the pilot was adequately trained to conduct all inspections required by the flight manual, which resulted in the pilot's inadequate preflight and subsequent failure of the tail rotor pitch change rod. Factors were the…NTSB DEN00LA013Accident · No injuriesLimited investigationFinal reportBellanca 8KCAB · Grand Junction, COA failure of the left main landing gear attachment (u-bolt) due to fatigue.NTSB LAX00GA025Accident · 2 fatalFinal reportMcDonnell Douglas 500N · San Jose, CAThe pilot's in-flight loss of control due to the failure and separation of the forward thruster control cable telescoping sleeve ball swivel fitting, which resulted in a stuck thruster and the entry into an uncontrollable yaw/spin. Also causal was the…NTSB DCA00MA005Accident · 6 fatalClass 1 · MajorFinal reportLearjet 35 · Aberdeen, SDIncapacitation of the flight crewmembers as a result of their failure to receive supplemental oxygen following a loss of cabin pressurization, for undetermined reasons.NTSB MIA00LA013Accident · No injuriesLimited investigationFinal reportBritish Aerospace HS 125-700A · Fayetteville, NCThe overstress failure of the lugs of the cylinder head of the left main landing gear jack for undetermined reasons. Also, inability of the flight crew to extend the left main landing gear.NTSB LAX00LA019Accident · No injuriesLimited investigationFinal reportCessna TR182 · Fresno, CAInadequate maintenance inspection mandated by the FAA, and the inadequate design of the exhaust heater core/muffler and deflectors that failed to divert hot exhaust gasses away from the battery and cabin heat valve.NTSB FTW00LA012Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Olton, TXThe inflight separation of the propeller blade due to damage from a wire strike. A factor was the lack of suitable terrain for the forced landing.NTSB CHI00IA009Incident · No injuriesIncident investigationFinal reportMcDonnell Douglas DC-9-51 · Chicago, ILThe landing gear's wheel separation due to the improper installation of the wheel by company maintenance personnel using incomplete maintenance steps, and the maintenance steps not listed in the manufacturer's manual. Factors were the airport perimeter wall…NTSB FTW00LA030Accident · No injuriesLimited investigationFinal reportAir Tractor AT-802A · Lamesa, TXThe separation of the rudder control cable at the aft fairlead, as a result of wear.NTSB FTW00LA010Accident · Serious injuriesLimited investigationFinal reportPiper PA-18-150 · Granite, OKCorrosion failure of the fuselage support tubing below the right wing forward attach fitting due to inadequate maintenance.NTSB NYC00LA005Accident · No injuriesLimited investigationFinal reportMcDonnell Douglas MD-11F · Newark, NJA divergent, longitudinal oscillation of undetermined origin on the center landing gear, which caused a failure of the center landing gear lower drag brace during landing roll.NTSB FTW99LA272Accident · 1 fatalLimited investigationFinal reportCessna 150F · Poteau, OKThe instructor pilot's inadequate in-flight decision making, which resulted in the continued flight with a disabled generator and subsequent total failure of the electrical system. Factors were the installation of the inadequate generator fuse by unknown…NTSB MIA99FA267Accident · Serious injuriesField investigationFinal reportLearjet 24 · Gainesville, GAThe inadequate inspection of the main landing gear brake assemblies, which lead to operation of the aircraft with worn brakes that failed during the landing roll. Contributing factors were the descending terrain, roadway and ditch.NTSB LAX99FA317Accident · 2 fatalField investigationFinal reportKaman HH-43F · Phoenix, AZFailure of the horizontal stabilizer left outboard forward attach point because of a previously existing crack that resulted from inadequate maintenance inspection by the operator. A factor was the use of automotive parts.NTSB FTW99FA265Accident · 2 fatalField investigationFinal reportCarter Spacewalker II · Conroe, TXThe in-flight separation of the left wing due to the failure of the wing spars resulting from the builder's improper design change utilizing basswood for the spars instead of the specified spruce.NTSB MIA99LA270Accident · No injuriesLimited investigationFinal reportCessna 172RG · Orlando, FLthe pilot's failure to ensure that the landing gear was down and locked following loss of electrical power for undetermined reasons, resulting in substantial damage to the airplane when the right main landing gear collapsed upon landing.NTSB ANC99LA152Accident · Minor injuriesLimited investigationFinal reportMaule ML-4 · Anchorage, AKThe improper (reversed) connection of the elevator control cables by the owner/pilot-mechanic, and the failure to have the installation inspected by another mechanic.NTSB SEA99LA171Accident · No injuriesLimited investigationFinal reportGarlick UH-1H · Usk, WAFatigue failure of the 90-degree gearbox attachment studs, resulting in separation of the tailrotor and 90-degree gearbox from the vertical fin.NTSB IAD99LA068Accident · No injuriesLimited investigationFinal reportCessna 172P · Friendly, MDThe pilot's misjudgment of speed during the landing approach. The inoperative airspeed indicator was a contributing factor.NTSB LAX99FA315Accident · Serious injuriesField investigationFinal reportBoeing 757-2S7 · Agua Caliente, AZthe systemic failure of the airline's maintenance department to identify and correct the long standing history of intermittent faults, nuisance warnings, and erratic behavior in this airplane's GPWS system. Also causal is the airline's failure to perform the…NTSB LAX99FA311Accident · 1 fatalField investigationFinal reportNo American/Rogers B L P-51R · Reno, NVThe onset of a flutter event and the resultant separation of the rudder and empennage from the aircraft. The precipitating cause for the flutter could not be determined.NTSB ANC99LA145Accident · Minor injuriesLimited investigationFinal reportCessna 185F · Delta Junction, AKCorrosion and a fatigue failure of the lower end of the landing gear strut. Factors in the accident were the manufacturer's and the FAA's insufficient standards/requirements for life limits and inspection procedures.NTSB FTW99LA267Accident · No injuriesLimited investigationFinal reportAeronca 11AC · Van Horn, TXA restriction within the auxiliary fuel supply system and the rough terrain during the subsequent precautionary landing resulting on main gear collapse.NTSB MIA99LA265Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Naples, FLThe pilot's failure to perform manual gear extension procedures with a suspected unsafe landing gear indication which resulted in a collapse of the main landing gear on landing rollout. A factor in the accident was the pilot's lack of total experience in kind…NTSB ATL99LA124Accident · No injuriesLimited investigationFinal reportCessna 190 · Enterprise, ALThe fatigue failure of the main landing gear spring.NTSB MIA99LA242Accident · Serious injuriesLimited investigationFinal reportSukhoi SU-29 · Fort Lauderdale, FLan in-flight failure of the right aileron due to fatigue cracking in the attachment structure of the right inboard aerodynamic compensator, which resulted in a loss of control, a forced landing, and subsequent impact with the ground.NTSB LAX99LA283Accident · No injuriesLimited investigationFinal reportBell UH-1B · Lost Hills, CAFailure and separation of the 90-degree gearbox as a result of the disengagement of the pinion and gear teeth. The cause(s) of the pinion and gear disengagement were undetermined.NTSB IAD99IA059Incident · No injuriesIncident investigationFinal reportBoeing 727-200 · Washington, DCThe inadequate lubrication of the landing gear side strut assembly by company maintenance personnel. A factor in the accident was the inadequate design of the assembly that trapped water and prevented adequate lubrication.