NTSB investigations
2,878 cases where the first occurrence was “Loss of engine power(total) - mech failure/malf”.
Cases, newest first
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\" = 351) 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" = 351) 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 CHI02FA243Accident · Minor injuriesField investigationFinal reportCorken/Guillet Christen Eagle II · Kaneville, ILLoss of engine power due to an engine bearing failure.NTSB CHI02FA231Accident · 3 fatalField investigationFinal reportPiper PA-46-350P · Benton Harbor, MIThe pilot's failure to maintain airspeed above stall speed resulting in a stall/spin. Additional causes were the pilot not maintaining best glide airspeed and optimal glidepath following the loss of engine power. A factor to the accident was the engine…NTSB NYC02LA139Accident · No injuriesLimited investigationFinal reportMicket Avid Aerobat · Chesapeake, VAA total loss of engine power due to a seized cylinder, and the pilot's improper decision to conduct the flight with a known deficiency to the engine.NTSB MIA02FA131Accident · 2 fatalField investigationFinal reportAmerican General AA-5 · Boca Raton, FLThe owner/operator's failure to perform an overhaul or comply with a service bulletin 240 which would have probably precluded the continued installation of the number four cylinder exhaust valve and its subsequent failure.NTSB SEA02LA123Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Weiser, IDThe fracture of the number 3 cylinder exhaust pushrod resulting in the exhaust valve's inability to open during the exhaust cycle and the subsequent engine stoppage. Contributing factors were the ditch and elevated roadway which the aircraft crossed during…NTSB MIA02LA121Accident · Minor injuriesLimited investigationFinal reportKenneth Parmerter Loehle 5151 Mustang · Lake Placid, FLThe pilot's failure to maintain airspeed and his inflight loss of control while maneuvering to land following an engine failure. Contributing to the accident was the builder/owner's improper engine installation that resulted in engine overheating and ceasing…NTSB CHI02LA179Accident · No injuriesLimited investigationFinal reportWaltz RV-8 · Omaha, NEA loss of engine power due to a loose connecting rod cap bolt and the resulting fatigue failure of the connecting rod cap. A related factor was the unsuitable terrain.NTSB CHI02FA177Accident · No injuriesField investigationFinal reportPiper PA-28R-200 · Steward, ILA loss of engine power due to the fatigue failure of several number three cylinder through bolts and case studs, which resulted in the separation of the number three engine cylinder. A factor contributing to the accident was the rough terrain.NTSB LAX02GA209Accident · Serious injuriesFinal reportMcDonnell Douglas 369E · Ontario, CAThe mechanic's improper maintenance procedures (FOD prevention) during a 100-hour inspection, which resulted in foreign object damage (FOD) to the compressor section and catastrophic engine failure. Factors were the presence of vehicles and power lines…NTSB LAX02LA204Accident · No injuriesLimited investigationFinal reportBeech V35A · Cottonwood, AZThe loss of engine power as a result of the failure of the #1 lower connecting rod bolt due to fatigue.NTSB DEN02LA055Accident · Minor injuriesLimited investigationFinal reportCessna 175 · Salt Lake City, UTtotal mechanical loss of engine power for reasons undetermined. Contributing factors were the lack of an annual inspection and the (forced landing in) salt water.NTSB LAX02LA197Accident · 1 fatalLimited investigationFinal reportPiper PA-22-135 · Brownsville, CAa loss of engine power for undetermined reasons. Also causal was the pilot's failure to maintain an adequate airspeed during a turn to reverse course back to the runway, resulting in a stall and collision with terrain.NTSB MIA02LA108Accident · Serious injuriesLimited investigationFinal reportPiper PA-32R-301 · Meridian, MSinadequate quality control of the manufacturing processes of the crankshaft gear bolt, resulting in failure of the gear bolt, due to hydrogen embrittlement, a total loss of engine power, and damage to the airplane during the subsequent forced landing.NTSB MIA02LA107Accident · Serious injuriesLimited investigationFinal reportCessna P206 · Manteo, NCa total loss of engine power due to the failure of a connecting rod bolt because of fatigue, resulting in damage to the airplane during the subsequent ditching.NTSB MIA02FA100Accident · No injuriesField investigationFinal reportBell 206L-1 · Fort Lauderdale, FLThe excessive rate of descent by the pilot-in-command during the autorotative landing resulting in a hard landing, following a total loss of engine power caused by failure of the No. 4 bearing.NTSB ATL02LA103Accident · Minor injuriesLimited investigationFinal reportMooney M20J · Charleston, SCTotal loss of engine power due to oil system starvation. A factor was the transmission wire encountered during emergency descent.NTSB ANC02LA041Accident · No injuriesLimited investigationFinal reportCessna 180 · Skwentna, AKA total engine failure during cruise flight due to the disentegration of the number five cylinder piston. A contributing factor in the accident was the lack of suitable terrain for a forced landing.NTSB LAX02FA163Accident · 2 fatalField investigationFinal reportCessna T210M · Groveland, CAa catastrophic engine failure due to the fatigue fracture and failure of the crankshaft. A factor contributing to the accident was the unsuitable nature of the mountainous terrain for a successful forced landing. The precipitating cause of the fatigue…NTSB LAX02FA144Accident · Minor injuriesField investigationFinal reportCessna 177B · Fullerton, CAThe total loss of engine power during cruise flight resulting from oil exhaustion. The oil exhaustion resulted from deterioration and total failure of the oil filter converter plate gasket, which had not been replaced due to maintenance personnel's failure to…NTSB LAX02LA143Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164C · Olivehurst, CAFuel starvation due to the failure of an engine accessory component. A contributing factor was the rough terrain.NTSB SEA02LA073Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Goshen, ORThe failure of company maintenance personnel to identify and replace/repair the degraded exhaust stack. Contributing factors were the mis-rigged carburetor heat control and the pilot's failure to maintain appropriate rotor RPM. Additional contributing factors…NTSB FTW02LA108Accident · No injuriesLimited investigationFinal reportMooney M20F · Grapeland, TXThe loss of engine power due to the #2 connecting rod cap separating from the connecting rod. A contributing factor was the limited forward visibility due to oil on the windscreen.NTSB FTW02FA106Accident · 1 fatalField investigationFinal reportBeech D35 · Nacogdoches, TXThe failure of the engine driven fuel pump drive pin resulted in a total loss of engine power. Contributing factors were inadequate maintenance, the pilot's inadequate use of the manual auxillary fuel pump (wobble pump), and the night conditions.NTSB NYC02LA077Accident · No injuriesLimited investigationFinal reportPiper J4A · Cincinnati, OHThe maintenance technician's failure to properly adjust the carburetor float. Factors were the unsuitable terrain.NTSB FTW02LA107Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Ferriday, LAthe failure of the number three cylinder exhaust rocker arm, resulting in a total loss of engine power. A contributing factor was the lack of suitable terrain for the forced landing.NTSB CHI02LA087Accident · No injuriesLimited investigationFinal reportCessna 182H · West Plains, MOThe engine failure due to the fatigue fracture of the crankshaft which resulted from the installation of improper pistons during an STC'd engine conversion by other maintenance personnel. Additional factors included the unsuitable terrain encountered by the…NTSB LAX02FA097Accident · 1 fatalField investigationFinal reportGrumman American AA1B · Pomona, CAa total loss of engine power due to an excessively rich mixture setting in the carburetor. The overly rich operation of the carburetor was due to the overhaul shop's failure to obtain the proper clearance between the float and chamber walls, which allowed the…NTSB ATL02LA052Accident · No injuriesLimited investigationFinal reportCessna 152 · Hudson, FLTotal loss of engine power due to oil starvation to the No. 3 connecting rod preceded by aft displacement of the center main bearing due to excessive wear. This resulted in a forced landing to none suitable terrain and subsequent on-ground collision with a…NTSB DEN02LA028Accident · Minor injuriesLimited investigationFinal reportPiper PA-32R-300 · Ferron, UTa loss of engine power due to the ingestion of foreign object(s) into the meshing of the gears, causing a malfunction of the magneto idler gear and failure of maintenance personnel to detect the signs of imminent failure during a mandatory oil filter…NTSB LAX02LA065Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Oceano, CAA loss of engine power due to the separation of the mixture control cable from the mixture control arm of the carburetor. The mixture cable separation was due to maintenance personnel's failure to secure the mixture control cable away from the nose landing…NTSB FTW02LA064Accident · No injuriesLimited investigationFinal reportBell 206L-3 · Grand Isle 74The pilot's misjudged landing flare. A contributing factor was the fatigue fracture of the PC air line due to the improper installation by company maintenance personnel, which resulted in a loss of engine power.NTSB IAD02LA022Accident · No injuriesLimited investigationFinal reportCessna 310H · Tappahannock, VAThe pilot's inadequate compensation for the gusty wind conditions. Factors in the accident were the gusty wind conditions and the total loss of left engine power due to the alternate air valve becoming disconnected and embedded in the fuel injector servo.NTSB LAX02FA056Accident · 2 fatalField investigationFinal reportCessna 172N · San Clemente, CAa loss of engine power due to a loss of magneto to engine timing resulting from stress corrosion crack induced fracture, and separation of the magneto impulse coupling spring.NTSB FTW02FA054Accident · 2 fatalField investigationFinal reportCessna T210-M · Monticello, ARThe separation of the #2 connecting rod and subsequent catastrophic failure of the engine. A factor was the in-flight collision with a vehicle while maneuvering to a emergency landing area.NTSB LAX02LA035Accident · No injuriesLimited investigationFinal reportClassic Waco YMF · Banning, CAa loss of engine power due to a crack in the carburetor float and leaking portions of the carburetor that resulted in an overly rich mixture.NTSB MIA02LA022Accident · 1 fatalLimited investigationFinal reportRobert N. Gilmore Rans S-10 · Oneonta, ALThe failure of the pilot to maintain airspeed following loss of engine power resulting in the airplane stalling and entering a spin from which it crashed. Factors in the accident was improper repair of the front cylinder intake manifold seal by the pilot…NTSB MIA02LA018Accident · Serious injuriesLimited investigationFinal reportBeech P35 · Belle Glade, FLThe loss of engine oil for undetermined reasons that resulted in the engine seizing, a forced landing on a dirt road, and an impact with a vehicle on the dirt road during the landing rollout.NTSB NYC02LA028Accident · No injuriesLimited investigationFinal reportPiper PA-28R-200 · Cattaraugus, NYA separation of the cylinder from the engine for undetermined reason(s). A factor was the hidden ground obstruction (hole) which the airplane struck during the landing roll.NTSB FTW02LA030Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Anton, TXThe total loss of engine power while maneuvering due to a cracked cylinder, which resulted in a forced landing. A factor was lack of suitable terrain for the forced landing.NTSB SEA02FA009Accident · 1 fatalField investigationFinal reportCessna 175C · Miles City, MTThe separation of the number four cylinder exhaust valve guide from the cylinder head, leading to the failure of the exhaust valve stem and the catastrophic failure of the engine while in cruise flight. Factors include the necessity of attempting a forced…NTSB CHI02LA005Accident · No injuriesLimited investigationFinal reportCessna 182N · Graham, MOA loss of engine power due to the fatigue failure of the number 2 piston. Contributing to the accident was the unsuitable terrain.NTSB MIA02LA008Accident · Minor injuriesLimited investigationFinal reportCessna T206H · LakeLanier Isl., GAThe fatigue failure of the crankshaft for undetermined reasons resulting in the total loss of engine power. A contributing factor in the accident was the unsuitable terrain encountered by the pilot during the forced landing.NTSB NYC02LA002Accident · Minor injuriesLimited investigationFinal reportBeech C-45H · Hudson, NHThe pilot/owner's failure to properly identify the inoperative engine prior to feathering the wrong propeller, and his lack of familiarity with the required corrective procedures. A factor was the initial engine failure.NTSB LAX01FA306Accident · Minor injuriesField investigationFinal reportBell 206B · Hilo, HIThe failure of the mechanic to secure the No. 8 bearing thrust nut during maintenance work, which resulted in the total failure of the first stage turbine wheel shaft. Also causal was his misjudgment of his height during the flare resulting in a hard landing.…NTSB FTW01LA210Accident · No injuriesLimited investigationFinal reportCessna T188C · Aiken, TXthe application of silicon sealant to the crankcase mating surfaces by maintenance personnel, which resulted in improper torque on the bolts which mate the crankcase halves, vibration, and the subsequent failure of the #2 main crankshaft bearing. A factor was…NTSB IAD01LA107Accident · Serious injuriesLimited investigationFinal reportPiper PA-32RT-300T · Medina, OHfatigue failure of the dual magneto mounting flanges that resulted from undetected contact damage sustained during a previous installation, which resulted in its separation from the engine during take-off.NTSB FTW01LA208Accident · No injuriesLimited investigationFinal reportPiper PA-32R-301 · Waco, TXthe mechanic's failure to perform an airworthiness directive, which resulted in the loss of engine oil through a partially failed oil filter converter plate gasket, and subsequent engine failure during takeoff climb. A contributing factor was the lack of…NTSB ATL01LA110Accident · No injuriesLimited investigationFinal reportCessna 172R · Orlando, FLThe improper installation of the engine vacuum pump by maintenance personnel which resulted in oil exhaustion and the subsequent loss of engine power. A factor was the none-suitable terrain.NTSB NYC01LA226Accident · Serious injuriesLimited investigationFinal reportMurray JN4-D · Morrisdale, PAFailure of the ignition coil, which resulted in a loss of engine power. A factor was the 10-foot corn in the forced landing field.NTSB NYC01LA220Accident · No injuriesLimited investigationFinal reportAndre Mini Max 1500R · Chesapeake, VAThe pilot's failure to follow the engine manufacturer's descent procedure, which resulted in a lean mixture condition and subsequent engine seizure.