NTSB investigations
1,419 cases where the defining event was Loss of engine power (partial).
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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.\"isDefiningEvent\" AND e.\"tier2Number\" = '342') 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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '342') 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 WPR17LA003Accident · Minor injuriesLimited investigationFinal reportMelborn Joe B Kolb Sport 600 · Roberts, IDA total loss of engine power for reasons that could not be determined based on the available information.NTSB ERA17LA019Accident · No injuriesLimited investigationFinal reportCessna 182 · Toone, TNA stuck No. 3 cylinder exhaust valve, which resulted in failure of the cylinder's valvetrain components, breach of the cylinder's rocker box cover, and partial loss of engine power due to oil starvation.NTSB ERA17LA007Accident · Serious injuriesLimited investigationFinal reportJames Bruton Flying Flea · Plymouth, CTA partial loss of engine power for reasons that could not be determined based on the available information.NTSB CEN17LA006Accident · No injuriesLimited investigationFinal reportCessna 172K · Wilmot, WIA failure of the No. 1 piston pin plug due to corrosion in the cylinder barrel, which resulted in oil contamination, oil starvation to the crankshaft connecting rod bearings, and a subsequent partial loss of engine power.NTSB CEN17LA011Accident · No injuriesLimited investigationFinal reportFokker DR-1 · Fulshear, TXA partial loss of engine power due to the improper assembly of the mechanical fuel pump.NTSB ERA16LA331Accident · Minor injuriesLimited investigationFinal reportPiper PA32RT · Camden, SCA total loss of engine power due to the improper torqueing of the magneto, which led it to its malfunctioning in flight.NTSB CEN16LA394Accident · Serious injuriesLimited investigationFinal reportPiper PA 22-108 · Pearland, TXA partial loss of engine power during takeoff for reasons that could not be determined based on the available information following a thorough postaccident examination.NTSB CEN16LA387Accident · Minor injuriesLimited investigationFinal reportPahnke Vernon A Vans RV 9A · Newark, ILThe pilot's failure to properly assemble the fuel pump, which resulted in the loss of fuel pressure and the subsequent partial loss of engine power.NTSB CEN16LA369Accident · No injuriesLimited investigationFinal reportStinson V77 · Jordan, MNA partial loss of engine power due to carburetor icing.NTSB DCA16WA241Accident · No injuriesForeign investigationCessna 152 · Nairobi, KenyaThe Kenya Air Accident Investigation Division (AAID) has notified the NTSB of an accident involving a Cessna 152 airplane that occurred on September 12, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the AAID investigation under the…NTSB CEN16LA349Accident · No injuriesLimited investigationFinal reportPiper PA 28-180 · Cuba, NMA partial loss of engine power for reasons that could not be determined based on available information.NTSB CEN16LA355Accident · Serious injuriesLimited investigationFinal reportRepublic RC3 · Post Oak, MOA partial loss of engine power due to low cylinder compression. Contributing to the loss of engine power was rust formation in the cylinders due to inactivity.NTSB CEN16LA334Accident · Serious injuriesLimited investigationFinal reportPiper PA 25-235 · Bushton, KSA partial loss of engine power for reasons that could not be determined based on the available information.NTSB CEN16LA320Accident · Minor injuriesLimited investigationFinal reportCirrus Design SR20 · Des Moines, IAThe two separations in the induction system due to improper installation and/or maintenance, which resulted in a partial loss of engine power during initial climb.NTSB CEN16WA340Accident · 1 fatalForeign investigationQuad City Challenger II · Amos, CanadaOn August 9, 2016, at 1530 UTC, a Quad City Challenger II (S/N CH2-0903-2368), C-IIJW, impacted terrain near the runway end at Amos/Magny Airport (CYEY), Amos, Quebec, Canada. The aircraft was destroyed and sole occupant on board was fatally injured. The…NTSB ANC16CA056Accident · No injuriesData collectionFinal reportBrian Turner Northern Explorer · Chickaloon, AKA partial loss of engine power due to carburetor icing, which resulted from the pilot’s failure to use carburetor heat.NTSB ERA16LA281Accident · Serious injuriesLimited investigationFinal reportVans RV4 · Shelbyville, KYThe partial loss of engine power due to carburetor icing. Contributing to the accident was the pilot’s failure to effectively use carburetor heat.NTSB ERA16LA280Accident · No injuriesLimited investigationFinal reportPiper PA 28R-201 · Northampton, MAThe failure of the alternate air valve plate hinge pin, which caused the alternate air valve plate to lodge in the fuel servo assembly, which resulted in a restriction of air to the fuel servo assembly, a loss of engine power, and an off-airport emergency…NTSB CEN16LA313Accident · No injuriesLimited investigationFinal reportLiming Louis L HPL 1 High Wing Para · Mt. Orab, OHA partial loss of engine power due to a missing throttle cable fastener.NTSB WPR16LA159Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Weiser, IDA partial loss of engine power due to an internal catastrophic failure of the master rod crankpin bearing.NTSB CEN16LA297Accident · No injuriesLimited investigationFinal reportCessna 172F · Newark, ILThe failure of the No. 4 cylinder exhaust valve, which resulted in a partial loss of engine power and a forced landing. Contributing to the valve failure and loss of engine power was the extended time since the last overhaul.NTSB CEN16LA287Accident · Minor injuriesLimited investigationFinal reportStinson 108 · Dodge Center, MNA partial loss of engine power due to carburetor ice.NTSB CEN16LA275Accident · Minor injuriesClass 3 · LimitedFinal reportMeyers 200 · Huron, SDThe partial loss of engine power due an unsecured throttle cable. The reason for the unsecured throttle cable could not be determined.NTSB CEN16LA273Accident · No injuriesLimited investigationFinal reportBrandt Sonex · Lodi, WIThe separated rocker arm assembly for undetermined reasons, which resulted in the partial loss of engine power and led to the landing gear collapsing during the subsequent forced landing.NTSB CEN16LA270Accident · Serious injuriesLimited investigationFinal reportCessna 182J · Weatherford, TXAn electrical system malfunction for reasons that could not be determined, and the subsequent loss of engine power due to the loss of the electrical boost pumps. Also causal was the pilot's improper emergency action following the loss of engine power due to…NTSB ANC16LA047Accident · No injuriesLimited investigationFinal reportAeropro CZ A220 · McCarthy, AKThe pilot’s failure to maintain directional control during the takeoff roll, which resulted in a loss of control and impact with terrain. Contributing to the accident were engine power surges due to the bent carburetor throttle valve lever.NTSB CEN16LA267Accident · Minor injuriesLimited investigationFinal reportAeronca 7BCM · Longmont, COThe pilot's decision to continue the takeoff after observing a partial loss of engine power, the reason for which could not be determined because postaccident examination of the airframe and engine revealed no evidence of mechanical malfunctions or failures.NTSB CEN16FA241Accident · 1 fatalField investigationFinal reportBoeve Earl Seawind · Buena Vista, COThe pilot's failure to maintain control of the airplane during a forced landing following a partial loss of engine power, which resulted in a hard landing and nose over. The reason for the loss of engine power could not be determined due to the severity of…NTSB WPR16LA134Accident · No injuriesLimited investigationFinal reportBell OH 58A · Brawley, CAThe engine's degraded performance due to excessive wear of the engine bleed valve, which prevented it from closing during the accident flight. Contributing to the accident was the operator's failure to overhaul the bleed valve within the…NTSB ERA16LA231Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Hollywood, FLA partial loss of engine power during the initial climb for undetermined reasons.NTSB ANC16LA035Accident · Minor injuriesLimited investigationFinal reportUniversal Stinson 108 · Big Lake, AKA total loss of engine power during cruise flight for reasons that could not be determined because postaccident examination of the airframe and engine revealed no mechanical malfunctions or failures that would have precluded normal operation.NTSB CEN16LA229Accident · Minor injuriesLimited investigationFinal reportCessna 182P · Humansville, MOA partial loss of engine power for reasons that could not determined, because an examination and test run of the engine did not reveal any anomalies that would have contributed to the loss of engine power.NTSB CEN16LA223Accident · Minor injuriesLimited investigationFinal reportCirrus Design SR22 · Colorado Springs, COA hard landing on rough terrain due to a faulty deployment of the airplane’s airframe parachute system following a partial loss of engine power for reasons that could not be determined, because postaccident examination revealed no malfunctions or anomalies…NTSB ERA16LA212Accident · Serious injuriesLimited investigationFinal reportPiper PA28RT · Taylorsville, KYThe pilot's improper decision to continue a takeoff with a partial loss of engine power that occurred early in the takeoff roll. The reason for the partial loss of engine power could not be determined because postaccident fire damage to the engine precluded…NTSB WPR16FA124Accident · 2 fatalField investigationFinal reportGrumman American Avn. AA 1B · Hawthorne, CAThe failure of both pilots to land the airplane on the remaining runway when a sufficient rate of climb could not be attained. Contributing to the accident was a reduction of available engine power due to severe camshaft lobe wear.NTSB ERA16LA202Accident · Minor injuriesLimited investigationFinal reportBell 407 · Mountain City, TNAn incorrect and unapproved repair of the engine compressor diffuser performed by a machinist at a repair facility, which resulted in failure of the compressor diffuser aft plate and a partial loss of engine power.NTSB WPR16LA119Accident · Minor injuriesLimited investigationFinal reportBeech C23 · Waianae, HIThe total loss of engine power during cruise flight due to carburetor icing. Contributing to the accident was the pilot’s delay in applying carburetor heat during flight while operating in an area conducive to carburetor icing.NTSB WPR16FA115Accident · No injuriesField investigationFinal reportCzech Aircraft Works Spol Sro Sportcruiser · Santa Monica, CAA partial loss of engine power during takeoff due to vapor lock. Contributing to the accident was the student pilot's failure to notice that the engine had exceeded multiple temperature limits and that the fuel flow had become erratic during an extended…NTSB WPR16LA110Accident · Minor injuriesLimited investigationFinal reportSeguin Quickie · Mojave, CAA loss of engine power for reasons that could not be determined based on the available information.NTSB WPR16LA106Accident · No injuriesLimited investigationFinal reportBoeing B75N1 · Winslow, AZThe partial loss of engine power during takeoff initial climb in high-density altitude conditions for reasons that could not be determined because a postaccident examination of the airplane and engine revealed no anomalies.NTSB WPR16LA104Accident · No injuriesLimited investigationFinal reportBell UH 1B · Maxwell, CAA reduction in available engine power during takeoff due to a stuck hot air valve, which resulted in low rotor rpm and a forced landing. Contributing to the accident was the lack of dry film lubricant and the presence of corrosion on the hot air valve…NTSB CEN16FA172Accident · 1 fatalField investigationFinal reportCessna 310F · North Little Rock, ARThe pilot's failure to promptly feather the left propeller upon the initial loss of engine power shortly after takeoff and his failure to maintain airspeed while maneuvering with one engine inoperative, which resulted in a loss of control at a low altitude.…NTSB ERA16LA172Accident · No injuriesLimited investigationFinal reportChampion 7BCM · Tyrone, GAA partial loss of engine power during cruise flight for reasons that could not be determined because postaccident examination of the engine revealed no anomalies that would have precluded normal operation.NTSB ANC16LA021Accident · No injuriesLimited investigationFinal reportJim Riggs AK Ridge Runner · Wasilla, AKThe loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any mechanical malfunctions or failures that would have precluded normal operation.NTSB ERA16LA167Accident · No injuriesLimited investigationFinal reportBell 47D1 · Myerstown, PAA total loss of engine power for reasons that could not be determined because examination of the engine revealed no mechanical anomalies that would have precluded normal operation.NTSB ERA16LA166Accident · No injuriesLimited investigationFinal reportChampion 7ECA · Tannersville, PAA loss of engine power for reasons that could not be determined based on the available evidence.NTSB CEN16LA156Accident · Minor injuriesClass 3 · LimitedFinal reportBell 206 · Arden Hills, MNA partial loss of engine power for reasons that could not be determined based on the available evidenceNTSB WPR16FA091Accident · 1 fatalField investigationFinal reportNokes Matthew Lancair IV P · Fallbrook, CAA loss of engine power during cruise for reasons that could not be determined because examination of the airplane did not reveal any anomalies that would have precluded normal operation.NTSB ERA16LA145Accident · No injuriesLimited investigationFinal reportCessna 175B · Hurley, MSThe mechanic's failure to identify and remove a plastic sheath covering a portion of the mixture control cable during an annual inspection, which prevented the proper securing of the mixture control cable and full travel of the control at the carburetor and…NTSB CEN16LA143Accident · No injuriesLimited investigationFinal reportCirrus Design SR22 · Alexandria, LAThe partial loss of engine power for reasons that could not be determined based on the available information.