NTSB investigations
2,248 cases where NTSB found Not determined, general.
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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '05000000')) 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '05000000')) 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 CEN16LA040Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R22 Beta · Sugarland, TXThe overspeed of the main rotor system for reasons that could not be determined based on the available information.NTSB ERA16LA040Accident · No injuriesLimited investigationFinal reportCirrus Design SR22 · Jefferson, NCA total loss of engine power for reasons that could not be determined during a postaccident test run of the engine.NTSB CEN16FA037Accident · 1 fatalField investigationFinal reportCessna 182Q · Richmond, MOThe airplane's impact with trees and terrain during an off-airport forced landing in dark night conditions following a partial loss of engine power. The reason for the partial loss of engine power could not be determined because postaccident examination did…NTSB CEN16LA031Accident · Minor injuriesLimited investigationFinal reportAmerican Autogyro Sparrowhawk · Wakeman, OHA loss of engine power/performance for reasons that could not be determined because a postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB WPR16LA020Accident · Minor injuriesLimited investigationFinal reportBell 206B · Dallas, ORA loss of engine power for reasons that could not be determined based on the available information.NTSB ERA16LA030Accident · No injuriesLimited investigationFinal reportHughes 369D · Marion, SCA momentary jam in the tail rotor control system from an undetermined source, resulting in a torsional fracture of the tail rotor control torque tube and a loss of helicopter control.NTSB WPR16LA019Accident · No injuriesLimited investigationFinal reportAmerican Eurocopter AS350B3 · Folsom, CAThe flight instructor's failure to perform simulated engine failure training in accordance with manufacturer guidance, including his improper recovery from the maneuver, which resulted in an overshoot of the intended landing zone when the engine did not…NTSB CEN16LA021Accident · No injuriesLimited investigationFinal reportPiper PA 28-235 · Winneconne, WIAn engine compartment fire during landing, which resulted in extensive fire damage, for reasons that could not be determined during examinations of the remaining wreckage.NTSB ERA16LA058Accident · No injuriesLimited investigationFinal reportCessna R182 · Sanford, FLA collapse of the nose landing gear due to a separation of the drag attachment fitting from the airframe. The separation was likely due to preexisting damage from an undetermined event.NTSB WPR16LA011Accident · No injuriesLimited investigationFinal reportChristopher Tom Kitfox 5 · Battle Ground, WAThe total loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no preimpact mechanical malfunctions or failures that would have precluded normal operation.NTSB ERA16FA012Accident · 2 fatalField investigationFinal reportPiper PA 28-180 · Lake Worth, FLA loss of control for reasons that could not be determined based on the available information.NTSB ERA16LA009Accident · No injuriesLimited investigationFinal reportCessna 172N · Miami Beach, FLA total loss of engine power for reasons that could not be determined because the airplane was not recovered from the ocean after the ditching.NTSB CEN16LA019Accident · Serious injuriesLimited investigationFinal reportQuest Kodiak 100 · Sheridan, WYThe loss of airplane control during takeoff for reasons that could not be determined based on the available information.NTSB WPR16LA005Accident · Serious injuriesLimited investigationFinal reportPiper PA28 · Compton, CAA total loss of engine power during initial climb for reasons that could not be determined because postaccident engine examination did not reveal any anomalies that would have precluded normal operation.NTSB CEN16LA003Accident · Minor injuriesLimited investigationFinal reportBell 47G · Huntsville, TXThe pilot's loss of helicopter control during an agricultural application pass for reasons that could not be determined due to the extent of damage to the flight control system.NTSB WPR16LA003Accident · Serious injuriesLimited investigationFinal reportCessna TU206G · Fall City, WAThe airplane’s collision with the ground short of the runway for reasons that could not be determined based on the available evidence.NTSB ERA16FA001Accident · 4 fatalField investigationFinal reportPiper PA32R · Westminster, SCThe pilot's loss of airplane control for reasons that could not be determined based on the available information.NTSB CEN15FA426Accident · 1 fatalField investigationFinal reportJones Ralph D Zodiac CH 601 HD · Ama, LAThe pilot's failure to maintain adequate airspeed and his exceedance of the airplane's critical angle of attack following a loss of engine power for reasons that could not be determined based on available evidence, which resulted in an aerodynamic stall and…NTSB WPR15LA265Accident · Serious injuriesLimited investigationFinal reportAero Commander 680 E · Boise, IDThe pilot's failure to maintain airplane control following an engine problem for reasons that could not be determined because postaccident examination of both engines and the rudder revealed no malfunctions or anomalies that would have precluded normal…NTSB CEN15LA418Accident · Minor injuriesLimited investigationFinal reportCessna 421B · Platteville, WIThe partial loss of right engine power for undetermined reasons with insufficient runway remaining for the aborted takeoff.NTSB ERA15FA362Accident · 2 fatalField investigationFinal reportCessna 150H · Morrisville, NYThe pilot's failure to maintain airspeed and her exceedance of the airplane's critical angle-of-attack, which led to an aerodynamic stall, following a total loss of engine power for reasons that could not be determined because postaccident examination of the…NTSB CEN15LA444Accident · No injuriesLimited investigationFinal reportPiper PA 24-250 · New Orleans, LAThe collapse of the landing gear for reasons that could not be determined based on the available information.NTSB ANC15LA073Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 · Fort Glenn, AKThe separation of the tail rotor gearbox from the tailboom attachment point due to overstress loads imposed by a tail rotor blade imbalance as the result of impact with an undetermined object during low-level flight operations.NTSB WPR15LA261Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C · Forest Grove, ORA partial loss of engine power during cruise flight for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB GAA15LA281Accident · No injuriesLimited investigationFinal reportDehavilland DHC 2 MK.I · Nikolai, AKA loss of directional control during a water takeoff for reasons that could not be determined because the airplane was not examined due to the remote accident location.NTSB CEN15LA439Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Alice, TXA loss of engine power during a practice power recovery autorotation for reasons that could not be determined based on the available information.NTSB ANC15LA070Accident · No injuriesLimited investigationFinal reportHelio H 295 · Delta Junction, AKA partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB ERA15FA353Accident · 1 fatalField investigationFinal reportAero Vodochody L39 · Oneida, TNThe pilot's failure to maintain airplane control following a partial loss of engine power during initial climb. The reason for the partial loss of engine power could not be determined due to extensive postimpact damage.NTSB CEN15LA412Accident · Minor injuriesLimited investigationFinal reportGuisinger Gary G Baby Belle · Stuart, IAThe failure of the tail rotor driveshaft for reasons that could not be determined due to the mechanically and thermally deformed fracture surface.NTSB ERA15FA351Accident · 1 fatalField investigationFinal reportCessna 172 · Riegelwood, NCThe noncertificated pilot’s failure to maintain adequate clearance from terrain for reasons that could not be determined based on the available evidence.NTSB ERA15LA343Accident · Serious injuriesLimited investigationFinal reportDehavilland DHC-6 · Louisburg, NCThe propeller’s movement to the beta position during landing for reasons that could not be determined during postaccident examination and testing, which resulted in an attempted go-around and subsequent loss of airplane control.NTSB CEN15LA404Accident · 1 fatalLimited investigationFinal reportCessna TR182 · Midland, TXThe partial loss of engine power for reasons that could not be determined based on the available evidence.NTSB WPR15LA257Accident · 1 fatalLimited investigationFinal reportHughes 369HS · Manra Island, KiribatiA The loss of helicopter control for reasons that could not be determined asbecause the helicopter sank in the oceanwater and was not recovered.NTSB WPR15LA254Accident · Minor injuriesLimited investigationFinal reportRaudenbush Ernie Lancair Super ES · Winkelman, AZA partial loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no anomalies.NTSB CEN15LA391Accident · Minor injuriesLimited investigationFinal reportFerence John W Thatcher CX4A · Hebron, OHThe loss of engine power for reasons that could not be determined because a postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB ERA15LA334Accident · Serious injuriesLimited investigationFinal reportBeech B19 · Dexter, METhe flight instructor’s inadequate preflight planning, which resulted in collision with trees and terrain during takeoff.NTSB ERA15LA333Accident · No injuriesLimited investigationFinal reportBeech E 90 · Fayetteville, TNA total loss of electrical power for reasons that could not be determined and the pilot's subsequent failure to properly follow the manual landing gear extension procedures, which resulted in the landing gear not extending.NTSB ERA15FA330Accident · 1 fatalField investigationFinal reportCirrus Design SR22 · Alabaster, ALAn in-flight loss of airplane control for reasons that could not be determined because postaccident examination of the airframe and engine revealed no preimpact mechanical malfunctions or failures that would have precluded normal operation.NTSB CEN15LA389Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT 502B · Monroe, NELoss of propeller thrust for reasons that could not be determined, since examination of the airplane's engine, propeller, and associated accessories revealed no anomalies.NTSB CEN15FA374Accident · 1 fatalField investigationFinal reportBeech 35 B33 · El Dorado, ARThe loss of engine power for reasons that could not be determined during postaccident examination of the accident site or based on the available information and the pilot's failure to maintain adequate airspeed and his exceedance of the airplane's critical…NTSB ANC15FA066Accident · 2 fatalField investigationFinal reportCessna 180 · Kasilof, AKThe total loss of engine power for reasons that could not be determined based on postaccident examination and testing.NTSB ERA15LA323Accident · Serious injuriesLimited investigationFinal reportCessna 150 · Dorado, PRA short circuit of unknown origin, which resulted in electrical arcing in the engine compartment and smoke in the cockpit, which necessitated a precautionary landing to a field.NTSB WPR15LA245Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C · Las Vegas, NVA total loss of engine power during a practice autorotation for reasons that could not be determined.NTSB ERA15LA318Accident · No injuriesLimited investigationFinal reportCessna 172K · Chiefland, FLThe partial loss of engine power during cruise flight for reasons that could not be determined because a postaccident airframe and engine examination and engine test run revealed no evidence of mechanical malfunctions or failures.NTSB WPR15LA242Accident · 1 fatalLimited investigationFinal reportBartels Lancair · Pacific Ocean (Pacific Ocean)The pilot's incapacitation for reasons that could not be determined because the airplane was not recovered from the ocean.NTSB ERA15FA308Accident · 2 fatalField investigationFinal reportBeech N35 · Weirsdale, FLA partial loss of engine power during takeoff. The reason for the partial loss of power could not be determined due to the extensive fire and impact damage to the engine.NTSB CEN15LA377Accident · No injuriesLimited investigationFinal reportGrumman G 164B · Sac City, IAThe loss of engine power for reasons that could not be determined based on the available information.NTSB ERA15LA306Accident · Serious injuriesLimited investigationFinal reportWright Daniel J Volksplane VP-1 · Brooksville, FLThe pilot's failure to abort the takeoff after determining that the engine was not producing adequate power. Contributing to the accident was the engine's inability to produce adequate power for reasons that could not be determined due to extensive postimpact…NTSB WPR15LA235Accident · Minor injuriesLimited investigationFinal reportCleveland Allan B Nieuport 11# · Bellingham, WAA partial loss of engine power for reasons that could not be determined because postaccident examination revealed no mechanical malfunctions or anomalies that would have precluded normal operation.NTSB ANC15FA062Accident · 2 fatalField investigationFinal reportPiper PA 18-150 · Chugiak, 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.