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 WPR19LA233Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 120 · Livermore, CAA partial loss of engine power due to fouled spark plugs in the No. 4 cylinder. Contributing to the accident was the pilot’s exceedance of the airplane’s critical angle of attack and a subsequent loss of control during the initial climb.NTSB CEN19LA281Accident · Minor injuriesClass 3 · LimitedFinal reportStinson 108 · Grand Rapids, MNA loss of engine power after takeoff for undetermined reasons.NTSB ERA19FA249Accident · 2 fatalClass 3 · FieldFinal reportCessna T303 · Lagrangeville, NYA partial loss of engine power in both engines during initial climb for reasons that could not be determined based on the available information.NTSB CEN19LA275Accident · No injuriesClass 3 · LimitedFinal reportCessna 150 · Rio Grande City, TXThe loss of engine power following an increase in oil temperature for undetermined reasons during cruise flight, which resulted in a forced landing on unsuitable terrain.NTSB ERA19LA245Accident · Serious injuriesClass 3 · LimitedFinal reportSchweizer 269C · Allentown, PAInadequate maintenance of the helicopter’s magnetos, which resulted in a partial loss of engine power during the initial climb due to a failure of the left magneto and malfunction of the right magneto.NTSB CEN19WA274Accident · No injuriesForeign investigationBell 206 · Vuoggatjålme, SwedenOn August 10, 2019, about 0855 hours universal coordinated time, a Bell 206-L1, Swedish registration SE-JOA, was damaged when the rotor blades struck the tail boom during an emergency landing following a loss of engine power after takeoff near Vuoggatjålme,…NTSB CEN19LA262Accident · Minor injuriesClass 3 · LimitedFinal reportPietenpol Aircamper · Newark, OHThe engine’s failure to produce full power for reasons that could not be determined.NTSB CEN19LA260Accident · Minor injuriesClass 3 · LimitedFinal reportMoth DH60GM · Cortez, COA partial loss of engine power due to carburetor ice accumulation, which resulted in a loss of altitude and impact with trees.NTSB CEN19LA250Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Lyons, NEThe engine's low cylinder compression, which resulted in low rotor rpm and a subsequent dynamic rollover following landing on soft terrain.NTSB CEN19LA265Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Fairhope, ALFailure of the No. 3 exhaust valve and the subsequent loss of engine power due to engine operation with an excessively lean fuel mixture over a period of time.NTSB WPR19LA226Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 177RG · Fall City, WAThe failure of the No. 3 cylinder intake valve that resulted in a partial loss of engine power and a forced landing on uneven terrain.NTSB ERA19TA235Accident · No injuriesClass 3Final reportCessna 152 · Wakefield, VAThe pilot's inadequate preflight inspection, which failed to detect and remove all water from fuel, and maintenance personnel’s unapproved repair of the right wing fuel cap, which resulted in fuel contamination and a subsequent partial loss of engine power…NTSB ERA19LA238Accident · No injuriesClass 3 · LimitedFinal reportAero Commander S2R · Cuthbert, GAThe failure of the No. 1 bearing due to fatigue which resulted in a partial loss of engine power. The reason for the bearing failure could not be determined based on the available information.NTSB GAA19WA458Incident · No injuriesForeign investigationSikorsky S92 · Sable Island, CanadaThe government of Canada has notified the NTSB of an accident involving a SIKORSKY S92 helicopter that occurred on July 24, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Canada's investigation under the provisions…NTSB ANC19LA040Accident · No injuriesClass 3 · LimitedFinal reportCessna 182 · Farewell, AKA reported partial loss of engine power during takeoff for reasons that could not be determined.NTSB WPR19LA198Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Madras, ORA partial loss of power during final approach for undetermined reasons as postaccident examinations did not reveal any preimpact anomalies with the airplane or engine.NTSB CEN19LA233Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Kingston, OKThe partial loss of engine power due to a stuck exhaust valve.NTSB ERA19LA232Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV7 · Ocean City, MDThe disconnection of the propeller governor control arm from the propeller governor due to a missing attachment bolt, which resulted in a partial loss of engine power during takeoff when the governor control vibrated to a high pitch, low rpm setting.NTSB CEN19LA226Accident · Minor injuriesClass 3 · LimitedFinal reportCashen Super Acro Sport · Detroit Lakes, MNAn open circuit in the engine's electrical switch box, which resulted in a partial loss of engine power and subsequent forced landing.NTSB ANC19LA034Accident · No injuriesClass 3 · LimitedFinal reportCessna 172RG · Ocean City, MDA partial loss of power due to the liberation or failure of the No. 2 cylinder's exhaust valve.NTSB WPR19LA195Accident · Serious injuriesClass 3 · LimitedFinal reportCessna T210 · Hurricane, UTMaintenance personnel's improper installation of a throttle cable to the throttle body arm, which resulted in a throttle detachment during takeoff and subsequent loss of power. Contributing to the accident was the inadequate inspection of the throttle…NTSB CEN19LA222Accident · Serious injuriesClass 3 · LimitedFinal reportStinson 108 · Clinton, ARA partial loss of engine power for undetermined reasons.NTSB WPR19LA207Accident · No injuriesClass 3 · LimitedFinal reportStinson 108 · Klamath Falls, ORThe mechanic’s failure to identify an engine performance issue, which led to a partial loss of engine power. Contributing to the accident was the pilot’s decision to operate the airplane with a known mechanical deficiency.NTSB GAA19WA592Accident · No injuriesForeign investigationBeech B36 · Mexico, MexicoThe government of Mexico has notified the NTSB of an accident involving a BEECH B36 airplane that occurred on July 05, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Mexico's investigation under the provisions of…NTSB CEN19LA206Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 140 · Reeves, LAThe pilot's failure to secure the oil filler cap, which resulted in oil starvation and a precautionary off-airport landing, during which the airplane was substantially damaged.NTSB WPR19FA178Accident · 1 fatalClass 2 · FieldFinal reportMaule M7-235B · Sunriver, ORA partial loss of engine power due to the separation of baffling in both mufflers. Contributing to the accident was the pilot's failure to retract the landing gear on the float-equipped airplane before performing a forced landing to the river.NTSB WPR19LA176Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Fullerton, CAPartial loss of engine power during takeoff due to an age-degraded carburetor heat valve seal, which detached and partially blocked the carburetor air inlet. Contributing to the accident was an inadequate maintenance inspection.NTSB CEN19LA179Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA28 · Cottrellville Township, MIThe partial loss of engine power due to carburetor icing and the pilot’s failure to use carburetor heat in weather conditions conducive to serious carburetor icing. The reason for the pilot’s inability to advance the throttle for the go-around could not be…NTSB ERA19FA196Accident · 1 fatalClass 3 · FieldFinal reportTrella T-21 · Endicott, NYA partial loss of engine power for reasons that could not be determined, and the pilot's subsequent exceedance of the airplane's critical angle of attack during an attempted return to the runway, which resulted in an aerodynamic stall/spin at an altitude that…NTSB CEN19LA172Accident · Minor injuriesClass 3 · LimitedFinal reportKarns SKY Ranger · Hedgesville, WVA partial loss of engine power during takeoff due to the formation of carburetor ice while on the ground, which resulted in an impact with terrain.NTSB CEN19LA167Accident · Serious injuriesClass 3 · LimitedFinal reportErcoupe 415 · Hawkins, TXA partial loss of engine power for undetermined reasons.NTSB ANC19LA027Accident · No injuriesClass 3 · LimitedFinal reportHelio H391 · Hope, AKThe pilot’s failure to maintain directional control during a precautionary landing, which resulted in a ground loop. Contributing to the accident was a partial loss of engine power for reasons that could not be determined.NTSB WPR19LA167Accident · Serious injuriesClass 3 · LimitedFinal reportMooney M20V · Phoenix, AZThe partial loss of engine power during cruise flight for reasons that could not be determined with the available evidence.NTSB GAA19WA414Incident · No injuriesForeign investigationCessna 207 · Birtingarholt, IcelandNTSB ANC19FA021Accident · 1 fatalClass 2 · FieldFinal reportBradshaw / McCauley Giles G-202 · Wasilla, AKThe pilot's failure to maintain control after the partial loss of engine power. Contributing to the accident was a contamination of the fuel system, which likely seized the electric fuel pump and restricted fuel flow to the engine.NTSB CEN19LA158Accident · Serious injuriesClass 3 · LimitedFinal reportBoeing B75N1 · Fredericksburg, TXThe loss of engine power for undetermined reasons.NTSB CEN19LA152Accident · Minor injuriesClass 3 · LimitedFinal reportRand Robinson KR2 · Poplar Grove, ILThe loss of engine power due to vapor lock of the throttle body injection system.NTSB CEN19FA144Accident · 1 fatalClass 2 · FieldFinal reportVans RV6 · Chillicothe, OHThe pilot's failure to maintain control of the airplane following an intermittent loss of engine power during cruise flight that resulted in him impacting trees. The reason for the loss of engine power could not be determined based on the available…NTSB CEN19WA254Accident · Minor injuriesForeign investigationCirrus SR22 · Abergavenny, United KingdomOn May 12, 2019, about 0930 coordinated universal time (UTC), a Cirrus Aircraft SR22T airplane, Guernsey registration 2-RORO, serial number 701, was destroyed during a forced landing and postimpact fire following a loss of engine power shortly after takeoff…NTSB WPR19LA140Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Red Rock, AZA partial loss of engine power for reasons that could not be determined based on the available information.NTSB ERA19FA164Accident · 1 fatalField investigationFinal reportPiper PA28 · Foley, ALA partial loss of engine power due to a stuck exhaust valve and the flight instructor's exceedance of the airplane's critical angle of attack following the loss of power, which resulted in an aerodynamic stall at low altitude.NTSB CEN19FA135Accident · Serious injuriesClass 2 · FieldFinal reportPiper PA34 · Anderson, INThe loss of left engine power due to an incorrectly adjusted fuel servo and the airplane's nose up trim which resulted in the airplane steep climb, loss of airspeed, and aerodynamic stall and subsequent impact with terrain.NTSB ANC19FA018Accident · 2 fatalField investigationFinal reportBeech A60 · Santa Rosa, NMThe pilot's loss of airplane control due to his failure to maintain appropriate control inputs and airspeed after shutting down an engine because of a progressive failure of the pressure relief valve in the fuel pump, which resulted in variable fuel pressure…NTSB WPR19LA136Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28R · Winter Haven, FLA partial loss of engine power due to worn fuel valve O-rings, which allowed air into the fuel system and resulted in a forced landing to unsuitable terrain.NTSB WPR19LA128Accident · No injuriesClass 3 · LimitedFinal reportBeech 35 · Sedona, AZThe partial loss of engine power due to deteriorated O-rings in the throttle metering assembly. Contributing to the accident was non-compliance with the manufacturer's recommended throttle metering assembly overhaul schedule.NTSB ERA19LA162Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Melbourne, FLA partial loss of engine power due to carburetor icing, and the flight instructor’s failure to effectively use carburetor heat while operating at an idle engine power setting in conditions conducive to carburetor icing.NTSB ERA19LA159Accident · Minor injuriesClass 3 · LimitedFinal reportZenair Zodiac CH601 · Angier, NCA partial loss of engine power due to partial interruption of the fuel supply for undetermined reasons.NTSB CEN19LA129Accident · No injuriesClass 3 · LimitedFinal reportPiper PA 23 · Sulphur Spring, TXThe pilot’s inadequate preflight inspection, during which he failed to detect the water contamination in the left fuel, which resulted in a partial loss of power in the left engine. Contributing to the accident was the total loss of power in the right engine…NTSB CEN19LA127Accident · No injuriesClass 3 · LimitedFinal reportBeech 50 · Sheldon, MOA partial loss of engine power on both engines due to detonation for undetermined reasons.NTSB CEN19LA126Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Dwight, ILA partial loss of engine power due to a restriction in fuel flow for undetermined reasons.