NTSB investigations, PR
180,604 investigations by the National Transportation Safety Board since 1962: 174,583 accidents, the rest incidents and other occurrences. Each has NTSB’s narrative and, once the investigation is done, its probable cause; since 2008, its findings and sequence of events.
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.\"eventStateOrRegion\" = 'PR' AND c.\"eventCountry\" = 'USA' 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."eventStateOrRegion" = 'PR' AND c."eventCountry" = 'USA' 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 ENG13IA036Incident · No injuriesIncident investigationFinal reportBoeing Company, Long Beach Div Boeing MD-11 · Aguadilla, PRan insufficiently robust flange attachment hardware design, which failed to contain engine components that were liberated during an LPT mechanical failure, resulting in engine/nacelle uncontainment. A factor in the incident was the lack of a module-level LPT…NTSB ERA13LA152Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Ciales, PRA loss of main rotor rpm for reasons that could not be determined because an examination of the helicopter’s engine and associated components did not reveal any mechanical malfunctions or failures that would have precluded normal operation.NTSB ERA12TA515Accident · No injuriesFinal reportBell 206B · San Juan, PRThe crew’s inadequate preflight inspection and failure to monitor the fuel state during flight, which resulted in a total loss of engine power due to fuel exhaustion.NTSB ERA12FA484Accident · 1 fatalField investigationFinal reportCessna 172M · San Juan, PRMaintenance personnel’s improper lubrication of the right direct aileron control cable and failure to detect the severe corrosion of the cable during a maintenance inspection, which resulted in the in-flight failure of the cable, the pilot’s subsequent…NTSB ERA12CA325Accident · Minor injuriesData collectionFinal reportCessna 172R · Culebra, PRThe pilot's failure to remove the flight control lock before takeoff.NTSB DCA12FA051Accident · 2 fatalClass 1 · FieldFinal reportConvair 440 - NO Series · San Juan, PRthe flight crew's failure to maintain adequate airspeed after shutting down the right engine due to an in-flight fire in one of the right augmentors. The failure to maintain airspeed resulted in either an aerodynamic stall or a loss of directional control.NTSB ERA12CA211Accident · No injuriesData collectionFinal reportCessna 172M · Mayaquez, PRThe pilot did not maintain control of the airplane while landing in crosswind conditions.NTSB ERA11CA433Accident · No injuriesData collectionFinal reportEurocopter AS 350 B3 · Humacao, PRThe pilot's failure to maintain clearance from a building during landing.NTSB ERA11FA376Accident · 5 fatalField investigationFinal reportCessna A185F · Yabucoa, PRThe pilot's inadequate weather planning and improper decision to continue a visual flight rules flight into instrument meteorological conditions, which resulted in an encounter with a thunderstorm and subsequent loss of control.NTSB ERA11LA230Accident · No injuriesLimited investigationFinal reportCessna 172P · Vega Baja, PRThe failure of the No. 2 cylinder exhaust valve resulting in a loss of engine power.NTSB ERA11LA056Accident · 1 fatalLimited investigationFinal reportCarlo Robert Quicksilver SPT 2S · Lajas, PRThe pilot’s failure to maintain adequate airspeed, which resulted in an aerodynamic stall and entry into a spin.NTSB ERA11LA037Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Aguadilla, PRThe pilot's improper decision to ditch the airplane after a reported partial loss of engine power and overheat on one engine for undetermined reasons.NTSB ERA10CA407Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 · Aguadilla, PRThe pilot's inadequate preflight performance calculations, which resulted in the overweight helicopter's lack of hover capability out of ground effect.NTSB ERA10IA384Incident · No injuriesIncident investigationFinal reportCessna 402C · San Juan, PRThe airplane manufacturer’s inadequate inspection procedures, resulting in the undetected fatigue cracking of the right upper barrel and trunnion assembly.NTSB ERA10LA222Accident · Serious injuriesLimited investigationFinal reportBeech 95-A55 · Arecibo, PRA loss of engine power in one engine due to fuel starvation as a result of the pilot's improper fuel management, resulting in a forced landing in a field.NTSB ERA10TA215Accident · No injuriesFinal reportCessna 404 · Ponce, PRA loss of power to the right engine for undetermined reasons.NTSB ERA10LA207Accident · 1 fatalLimited investigationFinal reportLuciano Edison HA-2 Sportster · Humacao, PRThe failure of the pilot to maintain control of the gyrocraft while maneuvering after takeoff. Contributing to the accident was the pilot’s operation of the gyrocraft with an inoperative right magneto.NTSB ERA10LA158Accident · 1 fatalLimited investigationFinal reportMonroig Pedro J Rans S-6S · Mayaguez, PRThe sport pilot's failure to maintain adequate airspeed during landing in crosswind conditions resulting in an aerodynamic stall.NTSB ERA10CA152Accident · Minor injuriesData collectionFinal reportPiper PA-28-180 · Patillas, PRThe student pilot’s decision to abort the takeoff with insufficient runway remaining.NTSB ERA10CA090Accident · No injuriesData collectionFinal reportPiper PA-38-112 · Patillas, PRThe pilot's inadequate visual lookout and failure to maintain clearance from a tree.NTSB ERA10CA051Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 · Morovis, PRThe pilot’s delayed attempt to go around.NTSB ERA09LA413Accident · 1 fatalLimited investigationFinal reportCessna 152 · Ponce, PRThe airplane’s impact with water for undetermined reasons.NTSB DCA09CA051Accident · Serious injuriesData collectionFinal reportBoeing 767 332 · San Juan, PRInadvertent encounter with convective turbulence while in cruise.NTSB ERA09LA266Accident · No injuriesLimited investigationFinal reportDouglas DC3 · San Juan, PRWorn electrical wires and a fuel pressure indicating system hose, which resulted in a ground fire during taxi.NTSB ERA09MA157Accident · 6 fatalMajor investigationFinal reportCessna 206H · Quebradillas, PRThe pilot exceeded the design limits of the airplane, which resulted in an in-flight break up while maneuvering in adverse weather conditions.NTSB ERA09FA078Accident · 3 fatalField investigationFinal reportRockwell International 690B · Rio Grande, PRThe pilot's continued visual flight into instrument meteorological conditions, which resulted in an in-flight collision with terrain.NTSB ERA09LA051Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 · San Juan, PRThe detachment of the forward left servo control tube upper rod end attachment bolt during a hover due to separation of its retaining nut for undetermined reasons.NTSB NYC08CA300Accident · Serious injuriesData collectionFinal reportQuicksilver MXL II · Barceloneta, PRThe student pilot's failure to maintain control of the airplane during an aborted landing. Contributing to the accident were the high winds.NTSB NYC08LA225Accident · 2 fatalLimited investigationFinal reportRans Rans S-6ES · Lajas, PRThe pilot's failure to maintain airspeed resulting in an inadvertent stall/spin.NTSB ANC07LA069Accident · No injuriesLimited investigationFinal reportCessna 182 · Arecibo, PRThe pilot's failure to refuel the airplane prior to fuel exhaustion, which resulted in a loss of engine power during climb, and an off-airport forced landing.NTSB MIA07CA103Accident · Serious injuriesData collectionFinal reportHughes 269A · Las Piedras, PRThe failure of the non-certificated pilot to maintain a proper rate of descent during the autorotative landing following a reported loss of engine power for undetermined reasons, resulting in a hard landing.NTSB NYC07LA149Accident · No injuriesLimited investigationFinal reportMesserschmitt BO-105 · Isla de Vieques, PRThe mechanic's failure to secure the engine governor locking hardware, which resulted in the right engine losing power.NTSB MIA07LA086Accident · Serious injuriesLimited investigationFinal reportAerospatiale ATR 72-212 · San Juan, PRIn-flight encounter with turbulence that resulted in injuries to a flight attendant and a passenger.NTSB MIA07LA063Accident · Serious injuriesLimited investigationFinal reportJimenez Reymundo Challenger II Specia · Arecibo, PRThe uncertificated pilot's failure to remove the aft seat belt from around the aft control stick prior to flight.NTSB MIA07CA107Accident · No injuriesData collectionFinal reportRobinson R-44-II · Isla Grande, PRThe pilot's inadvertent encounter with a loss of tail rotor effectiveness which resulted in damage to the helicopter during the subsequent hard landing.NTSB MIA07FA042Accident · 2 fatalField investigationFinal reportPartenavia P 68C · Adjuntas, PRThe pilot's failure to maintain altitude/clearance with mountainous terrain for undetermined reasons during a normal descent under instrument meteorological and dark night conditions.NTSB DCA06FA068Accident · No injuriesField investigationFinal reportBoeing B757-232 · San Juan, PRthe first officer's inadvertent application of full nose-up trim during a prolonged flare, resulting in an excessive pitch angle during landing and subsequent tailstrike. Contributing to the accident was the flight crew's failure to correct the airplane's…NTSB ANC06LA112Accident · No injuriesLimited investigationFinal reportBeech BE-18 · Culebra, PRA loss of engine power due to fuel starvation/exhaustion in all engines for an undetermined reason during cruise flight, which resulted in a forced landing and ditching.NTSB ANC06LA078Accident · Minor injuriesLimited investigationFinal reportPiper PA-23-250 · Borinquen, PRFuel starvation/exhaustion for an undetermined reason during cruise flight, which resulted in a complete loss of engine power to both engines and a ditching in the ocean.NTSB MIA06LA071Accident · Serious injuriesLimited investigationFinal reportCessna 402C · Dorado, PRThe failure of the pilot to use on-board weather radar equipment for weather avoidance and the pilot's continued operation into known adverse weather conditions, resulting in injury to passengers.NTSB MIA06CA059Accident · No injuriesData collectionFinal reportPiper PA-18 · SanJuan, PRThe pilot's failure to maintain directional control during landing.NTSB MIA06LA044Accident · Minor injuriesLimited investigationFinal reportMBB BO-105S · Ponce, PRA loose B-nut on the PC line connecting the power turbine governor (PTGOV) to the fuel control unit (FCU) that created a leak and caused the engine to roll back to an idle condition, causing a low hydraulic system pressure and subsequent control lock. A…NTSB MIA05CA144Accident · Minor injuriesData collectionFinal reportGrumman American G-164 · Sabana Grande, PRThe pilot's inadvertent encounter with a downdraft in mountainous terrain resulting in an uncontrolled descent and collision with the terrain.NTSB MIA05CA134Accident · No injuriesData collectionFinal reportBell 206B · San Juan, PRThe inadequate preflight/planning by the pilot for his initiation of the flight with inadequate fuel supply, and his failure to maintain main rotor rpm following a total loss of engine power due to fuel exhaustion which resulted in a hard landing.NTSB SEA05FA074Incident · No injuriesField investigationFinal reportCessna 208B · Roosevelt Roads, PRThe fracture of multiple compressor turbine blades while the airplane was in a cruise flight configuration resulting in a loss of engine power. Sulphidation type corrosion was a factor in failure of the blades.NTSB MIA05LA079Accident · No injuriesLimited investigationFinal reportRockwell Aero Commander 500 · San Juan, PRThe failure of the pilot to follow the emergency checklist and his inadvertent operation of the airplane with known discrepancies resulting in landing overrun and on-ground collision with a ditch during the landing roll.NTSB ANC05FA038Accident · Serious injuriesField investigationFinal reportAero Commander 500-S · San Juan, PRThe fuel truck operator's improper refueling of a gasoline engine powered airplane with jet (turbine) fuel, and the pilot's inadequate preflight, which resulted in a loss of power in both engines and subsequent collision with trees. Factors associated with…NTSB ANC05LA032Accident · Minor injuriesLimited investigationFinal reportJohnson Revolution Mini 500 · Isabela, PRThe loss of engine power during cruise flight for an undetermined reason, which resulted in an autorotation and collision with terrain.NTSB MIA05LA013Accident · No injuriesLimited investigationFinal reportPiper PA-23-250 · San Juan, PRThe pilot-in-command's failure to maintain airspeed while on base to final leg, which resulted in an inadvertent stall/mush and subsequent impact with the runway.NTSB MIA05CA009Accident · Serious injuriesData collectionFinal reportRobinson R-22 · Vega Baja, PRThe pilot's failure to select a suitable landing area resulting in a tangled skid with vegetation during an aborted landing and subsequent dynamic roll over.