NTSB investigations
1,858 cases where the sequence of events included 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '342' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\")) 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '342' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")) 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 ERA17LA176Accident · No injuriesClass 3 · LimitedFinal reportCessna 150M · Homerville, GAA total loss of engine power due to inadequate maintenance and inspection of the engine, which resulted in a fatigue crack and subsequent failure of the No. 4 cylinder.NTSB CEN17LA190Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT 502 · Tahoka, TXThe partial loss of engine power during takeoff for reasons that could not be determined based on the available information.NTSB WPR17LA096Accident · Minor injuriesLimited investigationFinal reportPiper PA 32-260 · Mukilteo, WAThe improper maintenance of the carburetor, which resulted in a stuck float and a partial loss of engine power during takeoff.NTSB ERA17LA169Accident · No injuriesLimited investigationFinal reportPiper PA32RT · Coral Springs, FLThe in-flight disconnection of the fuel injection servo throttle linkage, which resulted in a loss of engine power.NTSB WPR17LA094Accident · Minor injuriesLimited investigationFinal reportYakovlev YAK 52 · Porterville, CAA partial loss of engine power due to contaminants in the fuel system that decreased the fuel flow, the source of which could not be determined.NTSB WPR17LA093Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C · Coolidge, AZA partial loss of engine power due to separation of the throttle cable.NTSB CEN17LA163Accident · No injuriesLimited investigationFinal reportGrumman Schweizer G-164 · Palmer, KSA crack in the cylinder of the radial engine, which resulted in a loss of engine power and a forced landing on unsuitable terrain.NTSB CEN17LA156Accident · No injuriesLimited investigationFinal reportLoomis Xenon 4 · Knoxville, IAA partial loss of engine power for reasons that could not be determined based on the available information. Contributing to the accident was the failure of the owners to obtain proper materials regarding the operation and maintenance of the engine.NTSB ANC17LA020Accident · Minor injuriesLimited investigationFinal reportCessna 182 · Willow, AKThe partial loss of engine power for reasons that could not be determined based on the available information, which resulted in the forced landing attempt and impact with power lines.NTSB ENG17WA020Incident · No injuriesForeign investigationBAE JETSTREAM3100 · Monteria, ColombiaOn April 15, 2017, a Colombian-registered BAE Jetstream J32, HK4820, operated by Aerolinea de Antioquia ADA experienced a loss of power from the No. 2 engine, a Honeywell TPE331 turbopropeller. The engine was shutdown in flight and the airplane diverted to…NTSB WPR17LA082Accident · Minor injuriesLimited investigationFinal reportOTT 601XL-B · The Dalles, ORA partial loss of engine power due to the reverse bending fatigue failure of the propeller hub bolts, which resulted from the bolts not fitting tightly into the propeller hub holes. Also causal was the pilot's decision to use improper bolts for this type of…NTSB CEN17FA139Accident · 1 fatalField investigationFinal reportPiper PA-28-140 · Stonewall, TXThe pilot's failure to attain a proper touchdown point following a loss of engine power and his inability to stop the airplane on the short, soft runway. Contributing to the accident was the inadequate maintenance of the airplane by the owner and the mechanic…NTSB CEN17LA171Accident · Serious injuriesLimited investigationFinal reportJohn Goodman Air Camper · Oronogo, MOA detached throttle cable support block, which resulted in the pilot’s inability to control the throttle and the subsequent stall while maneuvering for an emergency landing.NTSB CEN17LA145Accident · No injuriesLimited investigationFinal reportCessna 120 · Columbia, ILThe partial loss of engine power due to carburetor icing.NTSB ERA17WA132Accident · Serious injuriesForeign investigationBell 206 · Araucária Municipality, BrazilThe government of Brazil has notified the NTSB of an accident involving a BELL 206 helicopter that occurred on March 17, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Brazil's investigation under the provisions of…NTSB ERA17LA128Accident · No injuriesLimited investigationFinal reportPiper PA28 · Tampa, FLA collapsed engine induction duct, which resulted in restricted air flow to the engine and a subsequent loss of engine power. Contributing to the accident was the operator's failure to ensure that the correct induction duct was installed.NTSB ANC17LA017Accident · Minor injuriesLimited investigationFinal reportBeech G18 · Metlakatla, AKAn engine power loss for reasons that could not be determined because the airplane was not recovered.NTSB WPR17LA067Accident · Minor injuriesLimited investigationFinal reportGuarino Vans · Marysville, CAA partial loss of engine power for reasons that could not be determined due to the fragmentation of the electrical system.NTSB ENG17WA015Incident · No injuriesForeign investigationAirbus A320 · Sao Paulo, BrazilOn February 23, 2017, during takeoff from São Paulo airport, the right hand engine of a Brazilian registered Airbus 320, registration number PT–MZY, lost power, causing a rejected takeoff and a temporary excursion from the runway. The Brazilian Centro de…NTSB ERA17LA110Accident · Serious injuriesLimited investigationFinal reportPiper PA28R · Bayonne, NJMaintenance personnel’s incorrect installation of the No. 3 cylinder’s hydraulic valve tappet plunger, which resulted in a failure of the No. 3 cylinder’s intake valve and the subsequent partial loss of engine power.NTSB CEN17LA104Accident · No injuriesLimited investigationFinal reportBeech D55 · Columbus, OHThe partial loss of left engine power during takeoff and initial climb, which led to a hard landing in gusting crosswind conditions. The reason for the loss of engine power could not be determined because postaccident examination of the left engine revealed…NTSB CEN17WA380Incident · No injuriesForeign investigationSchweizer 269C · Locarno, SwitzerlandOn February 7, 2017, about 1016 universal coordinated time (UTC), a Schweizer 269C helicopter, Swiss registration HB-XFQ, conducted a precautionary landing near Locarno (LSZL), Switzerland, after the engine oil pressure was at minimum pressure and the oil…NTSB CEN17LA093Accident · No injuriesLimited investigationFinal reportPiper J3C · Brenham, TXThe reciprocating engine's exhaust valve being stuck in the “open” position, which resulted in a partial loss of engine power during initial climb.NTSB ANC17TA015Accident · Serious injuriesFinal reportPiper PA-32 · Pilot Point, AKThe pilot's continued flight into known icing conditions, which resulted in structural icing and a forced landing on icy, snow-covered terrain.NTSB WPR17LA048Accident · No injuriesLimited investigationFinal reportSchosanski John H Cozy MK IV R · Napa, CAA partial loss of power due to missing apex seals.NTSB WPR17LA046Accident · Serious injuriesLimited investigationFinal reportSoftex Invest V-24L · Paradise, MTA partial loss of power during cruise flight for reasons that could not be determined because postaccident examination of the engines did not reveal evidence of any preimpact mechanical malfunctions or failures that would have precluded normal operation.NTSB CEN17LA079Accident · No injuriesLimited investigationFinal reportQuicksilver GT-400 R503 · New Braunfels, TXThe partial loss of engine power due to a loose spark plug. Contributing to the accident was the pilot's improper preflight inspection of the airplane.NTSB WPR17LA050Accident · No injuriesClass 3 · LimitedFinal reportDiamond Aircraft Ind DA 40 NG · Kingman, AZThe loss of engine oil pressure during cruise flight, which resulted in partial loss of engine power and necessitated a forced landing. The loss of oil pressure was the result of a failed engine piston, likely initiated by foreign object damage, which…NTSB WPR17LA042Accident · No injuriesLimited investigationFinal reportAir Tractor AT 602 · Willows, CAThe decision of the maintenance facility mechanic to conduct maintenance without reference to the applicable manufacturer’s guidance, which resulted in the improper reassembly and subsequent failure of the engine compressor bleed valve, which in turn…NTSB ERA17FA072Accident · 1 fatalField investigationFinal reportPiper PA28 · Middlebury, VTThe pilot's improper decision to return to the airport following a partial or complete loss of engine power during takeoff initial climb and his failure to maintain sufficient airspeed while maneuvering, which resulted in exceedance of the critical angle of…NTSB CEN17LA065Accident · No injuriesLimited investigationFinal reportLueck Kitfox 7 · Cody, WYImproper maintenance of the fuel pressure regulator, which resulted in an excessive fuel and airbox pressure differential and subsequent loss of engine power.NTSB ERA17LA067Accident · Serious injuriesLimited investigationFinal reportMathias Linda B Lightning · Franklin, VAA partial loss of engine power due to pre-ignition damage to the No. 2 cylinder piston and the pilot's exceedance of the airplane's critical angle of attack while maneuvering in the airport traffic pattern, which resulted in an aerodynamic stall.NTSB ERA17WA080Accident · 6 fatalForeign investigationNeiva EMB-721D · Manaus, BrazilOn December 7, 2016, about 1150 UTC, an Industria Aeronautica Neiva S/A EMB 721D, Brazilian registration PT-REI, registered to and operated by a foreign individual, collided with trees then terrain shortly after takeoff. Visual meteorological conditions…NTSB WPR17FA024Accident · 4 fatalField investigationFinal reportPiper PA 31T · Elko, NVA loss of engine power to the left engine for reasons that could not be determined due to the extensive fire and impact damage to the airplane.NTSB CEN17LA039Accident · Serious injuriesLimited investigationFinal reportCessna P210N · Pleasanton, TXMaintenance personnel's improper installation of the throttle linkage attachment hardware, which resulted in a partial loss of engine power when the hardware separated in flight.NTSB GAA17LA090Accident · No injuriesLimited investigationFinal reportPiper PA28R · Watertown, WIThe pilot’s failure to attain a proper glidepath on approach for landing, which resulted in impact with trees. Contributing to the accident was a partial, temporary loss of engine power for reasons that could not be determined because postaccident examination…NTSB ERA17LA037Accident · No injuriesLimited investigationFinal reportAviat A 1B · Geneva, FLA partial loss of engine power due to debris in the No. 1 cylinder that damaged the spark plugs.NTSB CEN17LA099Accident · No injuriesLimited investigationFinal reportRobinson R22 Beta · Asherton, TXThe partial loss of engine power due to the failure of the magneto's internal timing during low-altitude maneuvering.NTSB WPR17LA009Accident · No injuriesLimited investigationFinal reportGray Jim Robert Exec 90 · Caldwell, IDThe pilot's failure to properly tighten the tension bolts during the installation of the alternator belt, which resulted in inadequate voltage to sustain ignition and the subsequent partial loss of engine power.NTSB ERA17LA024Accident · Minor injuriesLimited investigationFinal reportCessna 172 · Cedar Key, FLA partial loss of engine power due to a stuck exhaust valve and the noncertificated pilot's inadequate preflight planning, which resulted in the airplane being overloaded, both of which led to the airplane's inability to attain a positive climb rate.…NTSB ERA17LA023Accident · Serious injuriesLimited investigationFinal reportErcoupe 415 · Lindenwold, NJA partial loss of engine power for reasons that could not be determined based on the available information.NTSB ERA17LA020Accident · Minor injuriesLimited investigationFinal reportTaylorcraft BC12 D · Vaughn, GAA total loss of engine power for reasons that could not be determined because postaccident examination of the airplane and engine did not reveal any evidence of preimpact malfunctions or failures that would have precluded normal operation.NTSB ERA17LA015Accident · Serious injuriesLimited investigationFinal reportCessna 150 · Stockbridge, GAA partial loss of engine power due to a stuck exhaust valve and the pilot's exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall.NTSB CEN17LA018Accident · Minor injuriesLimited investigationFinal reportPiper PA 18-150 · Jasper, TXA partial loss of engine power for reasons that could not be determined, because an examination of the airplane did not identify a specific reason for the loss of engine power.NTSB WPR17LA004Accident · Serious injuriesClass 3 · LimitedFinal reportRockwell International 112A · Phoenix, AZA catastrophic engine failure due to lack of lubrication due to the absence of 2 piston cooling nozzles that backed out of their respective threaded bores, which resulted in a forced landing on unsuitable terrain.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 CEN17LA015Accident · No injuriesLimited investigationFinal reportMilholland Kelly D · Livingston, TXA total loss of engine power for reasons that could not be determined based on the available information.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.