NTSB investigations, UT
55 cases where the first occurrence was “Airframe/component/system failure/malfunction”.
Cases per year
| 1982 | 3 |
|---|---|
| 1983 | 3 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 2 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 4 |
| 1994 | 4 |
| 1995 | 4 |
| 1996 | 1 |
| 1997 | 5 |
| 1998 | 3 |
| 1999 | 4 |
| 2000 | 3 |
| 2001 | 2 |
| 2002 | 1 |
| 2003 | 6 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 4 |
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.\"eventStateOrRegion\" = 'UT' AND c.\"eventCountry\" = 'USA'
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 c."eventStateOrRegion" = 'UT' AND c."eventCountry" = 'USA' 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 SEA06LA175Accident · Serious injuriesLimited investigationFinal reportStraw T-Bird II · Leamington, UTThe pilot's loss of aircraft control (control not possible) due to the failure of the left elevator control surface which was the result of a missing inboard bolt (for undetermined reason) which holds the left elevator bow in place.NTSB SEA06FA146Accident · 2 fatalField investigationFinal reportSpectrum Aeronautical 33 · Spanish Fork, UTIncorrect installation by company maintenance personnel of the aft upper torque tube bell crank resulting in roll control that was opposite to that commanded in the cockpit. Contributing factors were the lack of maintenance documentation detailing the…NTSB SEA06LA135Accident · No injuriesLimited investigationFinal reportHughes 369D · Moab, UTThe failure of the collective bungee support bracket due to non-compliance with a service information notice, which resulted in the pilot executing a precautionary autorotative landing. A contributing factor was the lack of suitable terrain for the landing.NTSB SEA06CA108Accident · Minor injuriesData collectionFinal reportGrumman AA-1B · Bountiful, UTAn obstructed windshield which resulted in the pilot misjudging the distance/altitude during an emergency landing. An oil leak as a result of a leaking crankshaft seal was a factor.NTSB DEN05CA105Accident · No injuriesData collectionFinal reportNavion Navion G · Parowan, UTThe jammed left main landing gear and the wheels up landing. Factors contributing to the accident were the misaligned left landing light and that landing gear extension was not possible.NTSB DEN04LA091Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Ogden, UTfracture and subsequent total failure of the nose gear strut. A contributing factor was the pilot not being able to control the airplane.NTSB DEN03LA156Accident · No injuriesLimited investigationFinal reportCessna R182 · Cedar City, UTthe nose wheel separating from the airplane during the precautionary landing. Factors contributing to the accident were the missing nose gear axle through-bolt and the missing cotter pin.NTSB DEN03FA099Accident · 1 fatalField investigationFinal reportAgusta A109K2 · Salt Lake City, UTFatigue of the tail rotor trunnion resulting in complete trunnion failure and subsequent tail rotor separation from the helicopter. Factors contributing to the accident were the low altitude, low airspeed, excessive tail rotor loading, and the worn tail-rotor…NTSB DEN03IA067Incident · No injuriesIncident investigationFinal reportBoeing 757-232 · Salt Lake City, UTtotal failure of a fuel flex line. A contributing factor was a fuel leak, resulting in an inflight engine compartment fire.NTSB DEN03LA041Accident · Serious injuriesLimited investigationFinal reportAerospatiale AS-350BII · Vernal, UTThe pilot's inadequate planning resulting in his inattentiveness of the attached longline. Contributing factors were the entanglement of the longline in the tail rotor, failure of the tail rotor drive shaft, and subsequent inability of the pilot to control…NTSB DEN03FA034Accident · 2 fatalField investigationFinal reportYakovlev YAK 52 · Midway, UTThe malfunction of the elevator control as a result of a jammed elevator control bell crank, rendering control of the airplane impossible. A contributing factor was the foreign object (nut) damage.NTSB DEN03IA033Incident · No injuriesIncident investigationFinal reportBoeing 757-222 · Salt Lake City, UTthe arcing wires in the lavatory sensor that resulted in the subsequent fire.NTSB SEA02LA050Accident · No injuriesLimited investigationFinal reportUnander Velocity 173RG · West Jordan, UTThe pilot's failure to ensure that the gear was extended prior to landing. Factors included a failure of a hydraulic down-pressure switch, and the pilot's attention diverted to another aircraft executing an opposite-direction traffic pattern.NTSB DEN01LA087Accident · No injuriesLimited investigationFinal reportMooney M20K · Bountiful, UTthe failure of the airplane's electrical system for an undetermined reason, which resulted in the collapse of the left main gear on landing.NTSB DEN01LA069Accident · No injuriesLimited investigationFinal reportBoeing Stearman E75 · Heber, UTUncommanded locking of the right brake, resulting in loss of control and nose over during landing.NTSB DEN00LA100Accident · No injuriesLimited investigationFinal reportCulver LFA · Moab, UTOverheating of the left brake, causing the wheel to lock. Factors were the pilot not being able to maintain directional control, a dirt berm, and a drainage ditch.NTSB DEN00LA099Accident · Minor injuriesLimited investigationFinal reportCessna TR182 · Milford, UTThe failure of the turbocharger scavenging pump resulting in the total failure of the engine, and the pilot's failure to compensate for wind conditions that led him to over fly the runway during his forced landing. Factors were the pilot's diverted attention…NTSB DEN00LA045Accident · Serious injuriesLimited investigationFinal reportBell 212 · Mt Pleasant, UTFailure of the main rotor mast due to fatigue that resulted from inadequate quality assurance during the manufacturing process.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 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 DEN99LA129Accident · No injuriesLimited investigationFinal reportBoeing A-75-N1 (Stearman) · Tooele, UTThe failure of the right main landing gear tire's inner tube, and the subsequent inadvertent ground loop by the pilot.NTSB DEN00LA033Accident · No injuriesLimited investigationFinal reportCessna T210M · Cedar City, UTThe pilot's failure to follow alternate landing gear extension procedures. Factors were the main landing gear failure to extend and a loss of electrical power.NTSB FTW98FA325Accident · 1 fatalField investigationFinal reportCommander 114TC · West Jordan, UTA brittle fracture of the clamp that joins the exhaust pipe to the turbocharger. The pipe separated and hot exhaust gases escaped into the engine compartment. The engine lost power due to the high heat vaporizing fuel in the fuel line. Factors were inadequate…NTSB FTW98FA276Accident · 2 fatalField investigationFinal reportBeech A36 · Nephi, UTThe improper installation of the turbocharger exhaust stack by unknown maintenance personnel and the subsequent fire in the engine compartment due to the exhaust gas leak from the turbocharger. Factors were the total loss of engine power due to fuel line…NTSB FTW98LA241Accident · No injuriesLimited investigationFinal reportMader WAG-AERO 2+2 · Hurricane, UTAn encounter with high vegetation and unsuitable terrain during a forced landing. A factor was a partial failure of the engine's exhaust stack during flight.NTSB FTW98FA044Accident · 1 fatalField investigationFinal reportPiper PA-34-200T · Myton, UTThe pilot exceeded the design stress limits of the airplane which resulted in an in-flight airframe overload failure. A related factor was the dark night.NTSB FTW98LA027Accident · No injuriesLimited investigationFinal reportHelio H-800 · Ogden, UTfailure of the tail wheel assembly, which rendered the aircraft uncontrollable during landing roll.NTSB FTW98TA051Incident · No injuriesFinal reportCessna P210N · Bryce Canyon, UTThe failure of the resistor (inverter) in the door seal pressurization air pump due to continuous operation. Factors were a failure in the door seal pressurization system, its inadequate design by the manufacturer, its inadequate written instructions for…NTSB FTW97IA363Incident · Minor injuriesIncident investigationFinal reportBoeing 737-200RS · Salt Lake City, UTThe captain's failure to maintain directional control during landing roll. Factors were the loss of hydraulic pressure in the 'A' hydraulic system, the thrust reverser failure on the number one engine, and flight crew coordination not being maintained.NTSB SEA97LA058Accident · No injuriesLimited investigationFinal reportCessna 421C · Cedar City, UTwater contamination in the hydraulic system, which froze in the (right) main gear hydraulic actuator, and restricted movement of the (right) main gear retraction and extension system.NTSB SEA96IA131Incident · No injuriesIncident investigationFinal reportBoeing 767-332 · Salt Lake City, UTfailure of maintenance personnel to properly disconnect (disengage) the right integrated drive generator (IDG) in compliance with the MEL dispatch procedure, which allowed the right IDG to overheat. Factors relating to the incident were: low oil pressure in…NTSB LAX96IA065Incident · No injuriesIncident investigationFinal reportBeech 99 · Salt Lake City, UTimproper installation of the rudder control cable by company maintenance personnel, which resulted in chafing and/or fatigue and subsequent failure of the cable.NTSB SEA96LA013Accident · No injuriesLimited investigationFinal reportCessna TR182 · Salt Lake City, UTmaintenance personnel improperly installed a landing gear system hydraulic line and the throttle cable which resulted in chaffing and subsequent loss of hydraulic fluid disabling the landing gear extention systems.NTSB SEA95LA195Accident · No injuriesLimited investigationFinal reportMaule M-5-235C · Ogden, UTthe pilot's failure to use brakes to maintain directional control following a tailwheel steering malfunction. Partial failure of the tailwheel steering system contributed to the accident.NTSB SEA95LA178Accident · No injuriesLimited investigationFinal reportCessna 210E · Bullfrog, UTThe right brake locking for undetermined reasons.NTSB SEA95LA030Accident · No injuriesLimited investigationFinal reportMaule MX-7-235 · Heber City, UTAn open connection clip. A factor to the accident was a locked tail wheel assembly.NTSB SEA94LA142Accident · 1 fatalLimited investigationFinal report1ST FTR GP FOCKE-WULF 190 · Salt Lake City, UTImproper balancing of the ailerons resulting in aileron flutter.NTSB SEA94LA125Accident · Serious injuriesLimited investigationFinal reportKelly Long EZ · Lindon, UTPiston failure and unsuitable terrain for a successful forced landing.NTSB SEA94LA092Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Levan, UTThe left main landing gear wheel bearing broke resulting in the wheel jamming and the airplane nosing over.NTSB SEA91LA028Accident · Minor injuriesLimited investigationFinal reportAerospatiale SA316B · Vernal, UTA malfunction/failure of the helicopter's main rotor lead-lag damper.NTSB DEN90LA086Accident · No injuriesLimited investigationFinal reportSchweizer SGS 2-33A · Morgan, UTSeparation of the tow rope and the pilot's failure to establish an appropriate descent rate as he returned to land. Contributing to the accident were the tailwind and the unsuitable terrain for landing beyond the runway end.NTSB DEN90LA065Accident · No injuriesLimited investigationFinal reportCessna P206A · Logan, UTThe pilot flew the aircraft with an improper modification to the fuel system, which resulted in a fuel leak and subsequent fire.NTSB DEN90LA054Accident · No injuriesLimited investigationFinal reportPiper PA-32RT-300T · Provo, UTImproper installation by maintenance personnel and fatigue failure and leakage of the left intermediate exhaust pipe, which resulted in an in-flight fire in the engine compartment. Contributing factors were: inadequate service bulletin provided by the…NTSB DEN89FA076Accident · No injuriesField investigationFinal reportSwearingen SA226TC · Saint George, UTMalfunction of the nosewheel steering system due to improper installation of the nosewheel steering poppet valve & inadequate maintenance instructions.NTSB DEN88LA074Accident · No injuriesLimited investigationFinal reportCessna 152 · Hurricane, UTThe student plt said that when he departed st. george, UT for Hurricane, which is 21 NM northeast, the wind was from the south at about 5 KTS. He landed to the north at Hurricane. He said he did not notice any wind as he prepared to depart to the south. Upon…NTSB DEN87DTM01Accident · Serious injuriesFinal reportEvans VP-2 · Cedar Valley, UTThe acft was flown by two different plts who complained of stiff ailerons. The aileron system was examined but no deficiencies were noted. A third plt then took off and began a lt turn at about 75 to 100 ft AGL. When he attempted to return to wings level he…NTSB DEN87LA215Accident · No injuriesLimited investigationFinal reportPiper PA-34-220T · Salt Lake City, UTThe pilot stated the touchdown seemed normal but the aircraft began to porpoise, the propellers struck the runway and the aircraft came to a stop. A post accident inspection revealed the nose gear steering roller had become dislodged and prevented proper…NTSB DEN86LA067Accident · Minor injuriesLimited investigationFinal reportPiper PA-22-150 · Cedar City, UTThe plt stated that while in cruise flt, a loud noise was heard followed by air entering the cockpit. The plt said he initially reduced pwr, not knowing what the problem was. According to the plt, when no visual problem with the aircraft was found, he added…NTSB DEN86LA016Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Vernal, UTThe plt stated he had just departed a site located on top of a mountain, which is approximately 12,200 ft MSL. The pilot said 30 seconds later, the helicopter lost partial power. Requiring him to make a force landing. The inspection of the turbocharger…NTSB DEN83FA215Accident · Minor injuriesField investigationFinal reportHughes 369D · Woodruff, UTThe helicopter was being used to lift seismic materials on a 100 ft long line. After lifting the load to a hover at about 10 to 20 ft, the plt heard a loud 'bang' which was followed by a loss of directional control. The helicopter began uncontrolled spinning…