NTSB investigations
1,709 cases where the sequence of events included Unknown or undetermined.
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\" = '000' 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" = '000' 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 ERA23FA357Accident · 1 fatalClass 3 · FieldFinal reportRobinson Helicopter R22 Beta · Kingston, NJA loss of control, which resulted in the main rotor blade severing the tail boom, for reasons that could not be determined.NTSB CEN23FA391Accident · 1 fatalClass 3 · FieldFinal reportSchleicher Alexander ASH 26 E · Wellington, COThe pilot’s loss of glider control during approach for reasons that could not be determined, which resulted in an aerodynamic stall at an altitude too low for recovery.NTSB CEN23LA388Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 210B · Wichita, KSLoss of engine power for reasons that could not be determined.NTSB ERA23LA351Accident · Serious injuriesClass 3 · LimitedFinal reportNanchang China CJ-6A · Merrickville, NYA total loss of engine power while enroute for reasons that could not be determined.NTSB ANC23LA070Accident · Minor injuriesClass 3 · LimitedFinal reportOliver Robert K Oliver Series 6 · Big Delta, AKA partial loss of engine power for undetermined reasons.NTSB ERA23LA349Accident · No injuriesClass 3 · LimitedFinal reportCessna A185F · Leonardtown, MDA loss of engine power during an approach to landing for undetermined reasons.NTSB GAA23WA245Accident · 1 fatalClass 5 · ForeignSupermarine Spitfire MK26 · Enstone-, United KingdomNTSB ERA23FA346Accident · 2 fatalClass 3 · FieldFinal reportBeech C-99 · Litchfield, MEA horizontal stabilizer pitch trim anomaly that was not identified in the available evidence.NTSB CEN23LA403Accident · No injuriesClass 3 · LimitedFinal reportIsrael Aircraft Industries 1125 Westwind Astra · Wheeling, ILA loss of braking effectiveness during landing for reasons that could not be determined, which resulted in a runway excursion.NTSB ERA23LA344Accident · No injuriesClass 3 · LimitedFinal reportMooney M20K · Fostoria, OHA loss of engine power for unknown reasons.NTSB CEN23LA372Accident · No injuriesClass 3 · LimitedFinal reportPietenpol Aircamper · Hanover, ILThe pilot’s exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall during an attempted forced landing at low altitude. Contributing to the accident was the loss of engine power for undetermined reasons.NTSB GAA23WA239AccidentClass 3 · ForeignCessna 402 · BahamasNTSB ERA23LA354Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-32-300 · Fishers Island, NYThe loss of engine power for reasons that could not be determined. Contributing was the pilot’s misjudgment of airspeed and altitude during the forced landing.NTSB CEN23LA376Accident · 1 fatalClass 4 · LimitedFinal reportSixchuter Spirit XL · Hovland, MNThe collision with the lake by a noncertificated pilot for reasons that could not be determined.NTSB ERA23LA359Accident · No injuriesClass 4 · LimitedFinal reportAero Commander 500 S · Key West, FLA total loss of engine power for reasons that could not be determined.NTSB CEN23FA361Accident · Serious injuriesClass 3 · FieldFinal reportMikoyan Gurevich MIG-23UB · Belleville, MIA reported partial loss of engine power while maneuvering for reasons that could not be determined.NTSB ANC23FA061Accident · 2 fatalClass 3 · FieldFinal reportPiper PA-18-150 · Skwentna, AKAn impact with terrain for reasons that could not be determined because the airplane was not recovered due to the inaccessible nature of the accident site.NTSB CEN23LA351Accident · No injuriesClass 3 · LimitedFinal reportTaylorcraft F21 · Holliday, TXA loss of engine power for reasons that could not be determined, which resulted in impact with terrain.NTSB WPR23LA304Accident · Minor injuriesClass 3 · LimitedFinal reportVan Grouw R / Cantrell L White Lightning · Las Vegas, NMA reported partial loss of engine power during cruise flight for undetermined reasons.NTSB CEN23FA340Accident · 1 fatalClass 3 · FieldFinal reportRichards Heavylift Helo UH-1H · Oakdale, ILAn in-flight loss of control for undetermined reasons.NTSB GAA23WA227Accident · No injuriesClass 5 · ForeignCessna 177 · Frejus (in water), FranceNTSB CEN23LA337Accident · No injuriesClass 3 · LimitedFinal reportCub Crafters CCX-2000 · Winsted, MNA total loss of engine power on approach for undetermined reasons.NTSB GAA23WA231Accident · 2 fatalClass 5 · ForeignHawker Beechcraft G58 · Vilhena, BrazilNTSB WPR23FA286Accident · 1 fatalClass 3 · FieldFinal reportRisen 915 iS · Glendive, MTThe pilot’s failure to maintain airspeed, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall/spin.NTSB GAA23WA230Accident · 2 fatalClass 5 · ForeignCessna 172 · Trujillo, PeruNTSB GAA23WA221AccidentClass 5 · ForeignCessna 150 · Alexandria, CanadaNTSB ERA23LA309Accident · Serious injuriesClass 3 · LimitedFinal reportBell 206-L4 · Caldwell, OHThe helicopter’s uncontrolled vertical descent and impact with terrain for reasons that could not be determined.NTSB CEN23LA318Accident · Minor injuriesClass 3 · LimitedFinal reportBeech H35 · Georgetown, TXA loss of engine power for reasons that could not be determined.NTSB GAA23WA207Accident · 1 fatalClass 5 · ForeignCessna 210 · Bradda Head, United KingdomNTSB GAA23WA213Accident · 1 fatalClass 5 · ForeignCessna FR182 · Ferrara di Monte Baldo, ItalyNTSB CEN23LA306Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Pocahontas, ILA reported loss of engine power for undetermined reasons.NTSB ANC23LA054Accident · Serious injuriesClass 3 · LimitedFinal reportDehavilland DHC-2 MK. I(L20A) · Twin Hills, AKThe pilot’s loss of control during initial climb for reasons that could not be determined.NTSB CEN23LA297Accident · Serious injuriesClass 3 · LimitedFinal reportCirrus Design SR22 · Boelus, NELoss of engine power for reasons that could not be determined.NTSB CEN23LA295Accident · No injuriesClass 3 · LimitedFinal reportBell UH-1H · Woodlawn, ILThe separation of the tail boom from the fuselage for reasons that could not be determined.NTSB WPR23LA264Accident · Minor injuriesClass 3 · LimitedFinal reportCessna A185F · La Mesa, CAA total loss of engine power for undetermined reasons.NTSB GAA23WA198Accident · 1 fatalClass 4 · ForeignPiper 23 · Thirsk, United KingdomNTSB GAA23WA194Accident · 2 fatalClass 5 · ForeignLancair 360 · Habsheim, FranceNTSB ERA23LA288Accident · No injuriesClass 4 · LimitedFinal reportSteen Skybolt · Aliceville, ALA partial loss of engine power for reasons that could not be determined as the wreckage was not recovered and could not be examined.NTSB ERA23LA283Accident · Minor injuriesClass 3 · LimitedFinal reportAirborne Edge-X · Coral Gables, FLA partial loss of engine power for reasons that could not be determined.NTSB WPR23LA249Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Meeks Bay, CAA loss of engine power for reasons that could not be determined based on the available information.NTSB GAA23WA185AccidentClass 5 · ForeignMooney M20E · Andrewsfield, United KingdomNTSB GAA23WA217Accident · 3 fatalClass 5 · ForeignGippsAero GA-8 · Ghanzi, BotswanaNTSB CEN23LA268Accident · Serious injuriesClass 3 · LimitedFinal reportVelocity Velocity XL · Tahlequah, OKA total loss of engine power for undetermined reasons.NTSB CEN23FA269Accident · 1 fatalClass 3 · FieldFinal reportSchweizer G-164B · Beltrami, MNA collision with terrain and subsequent nose over for undetermined reasons.NTSB CEN23LA262Accident · No injuriesClass 3 · LimitedFinal reportPiper PA23 · Ocean Springs, MSA total loss of engine power during the initial climb due to fuel starvation for undetermined reasons.NTSB CEN23LA259Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28RT-201T · Baytown, TXThe total loss of engine power for undetermined reasons and the subsequent impact with terrain.NTSB GAA23WA173Accident · 2 fatalClass 5 · ForeignBell 412 · Gom, MexicoNTSB GAA23WA172Accident · No injuriesClass 5 · ForeignRobinson R44 · San Carlos de Boliva-Buenos Aires, ArgentinaNTSB GAA23WA171Accident · No injuriesClass 5 · ForeignReims F · Herten-Rheinfelden, GermanyNTSB CEN23LA232Accident · No injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Bloomfield, NEA partial loss of engine power during takeoff for reasons that could not be determined.