Final NTSB investigations

478 cases where the sequence of events included Part(s) separation from AC.

Cases per year

20082026
Final NTSB investigations per year, 2008–2026: 478 cases
200813
200923
201025
201127
201228
201325
201428
201530
201636
201734
201859
201929
202023
202121
202214
202327
202422
202510
20264

Latest cases

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.\"completionStatus\" = 'Completed'
    AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '338' 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.

NTSB ERA26LA289Accident · No injuriesClass 4 · LimitedFinal reportBeech A36 · Weston, CTThe in-flight opening of the engine cowling, which resulted in engine baffling separating from the airplane and impacting the right elevator.Jul 30, 2026 · N9144Q · Substantial damageNTSB ERA26LA193Accident · No injuriesClass 4 · LimitedFinal reportBell UH1 · Enterprise, ALThe in-flight separation of a turn lock fastener stud, which resulted in substantial damage to one tail rotor blade.Apr 4, 2026 · N75140 · Substantial damageNTSB WPR26LA114Accident · Minor injuriesClass 4 · LimitedFinal reportAmerican Champion 8GCBC · Carefree, AZThe pilot reported that he landed the tailwheel equipped airplane at a backcountry airstrip, and while taxiing on rough terrain, the tailwheel spring failed and the tailwheel assembly separated from the airplane. The pilot shut down the airplane and exited to…Mar 2, 2026 · N636DB · Substantial damageNTSB CEN26LA131Accident · No injuriesClass 4 · LimitedFinal reportQuad City Challenger · Van Burensburg, ILPropeller separation due to failure of the propeller attachment bolts.Feb 28, 2026 · UNREG · Substantial damageNTSB CEN25LA392Accident · No injuriesClass 4 · LimitedFinal reportDiamond DA20-C1 · Terre Haute, INThe failure of the nose landing gear strut and associated nosewheel separation during takeoff.Sep 19, 2025 · N544KC · Substantial damageNTSB CEN25LA328Accident · Minor injuriesClass 4 · LimitedFinal reportVans RV14 · Parker, COSeparation of the right landing gear wheel assembly during landing.Aug 13, 2025 · N29JM · Substantial damageNTSB WPR25LA209Accident · No injuriesClass 4 · LimitedFinal reportPipistrel Alpha Trainer · Colorado City, AZThe pilot’s exceedance of the airplane’s never-exceed speed (VNE) during maneuvering, which resulted in the in-flight separation of the left flaperon.Jul 11, 2025 · N209ZM · Substantial damageNTSB ERA25LA236Accident · No injuriesClass 4 · LimitedFinal reportSting Sport TL-2000 · Dunavant, VAThe inflight failure of the propeller due to its exceedance of the manufacturer’s overhaul requirement.Jun 20, 2025 · N878N · Substantial damageNTSB ERA25LA204Accident · Minor injuriesClass 3 · LimitedFinal reportEurocopter Deutschland MBB-BK 117 C-1 · Fort Washington, PAMaintenance personnel’s failure to identify and replace damaged rivet nuts at the air conditioning louver assembly, which resulted in the separation of the louver assembly from the helicopter, the louver assembly’s impact with the tail rotor, and subsequent…May 19, 2025 · N117NC · Substantial damageNTSB ANC25LA028Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Royal Kunia, HIImproper alteration of the crankshaft propeller flange at an unknown time, which resulted in an in-flight separation of the propeller assembly.Mar 27, 2025 · N261FC · Substantial damageNTSB CEN25LA117Accident · No injuriesClass 3 · LimitedFinal reportVans RV-7A · Plainview, TXThe improper machining of the propeller blade bearing seat, which resulted in an inflight propeller blade fatigue failure. Contributing to the accident was the improper machining of the propeller hub and propeller blade root and machining surface quality…Mar 10, 2025 · N923ZA · Substantial damageNTSB WPR25LA096Accident · No injuriesClass 3 · LimitedFinal reportCessna 150J · Minersville, UTThe failure of the propeller blade due to fatigue that originated from an impact pit sustained at an unknown time. Contributing to the accident was the failure of unknown maintenance personnel to detect and repair the impact pit before painting the propeller,…Feb 16, 2025 · N151GW · Substantial damageNTSB ERA25LA114Accident · No injuriesClass 3 · LimitedFinal reportCessna 172P · Clarksville, TNThe flight instructor’s inadequate preflight inspection of the airplane, which allowed the partially secured engine cowl to separate in flight.Feb 3, 2025 · N62112 · Substantial damageNTSB ERA25LA102Accident · No injuriesClass 4 · LimitedFinal reportDaniel A Robinson High 6 Berkut 540 · Orlando, FLThe pilot’s failure to verify the canopy latches were in the locked position prior to takeoff.Jan 20, 2025 · N976DR · Substantial damageNTSB DCA25LA025Accident · No injuriesClass 4 · LimitedFinal reportBoeing 737-9 · Houston, TXBrake application before all three landing gears were on the ground, which caused the failure of the right main landing gear tires and resulted in tire fragments impacting the fuselage.Oct 24, 2024 · N27515 · Substantial damageNTSB CEN24LA330Accident · No injuriesClass 4 · LimitedFinal reportEsqual VM1 · Oshkosh, WIThe pilot’s premature rotation during takeoff which resulted in the airplane settling back to the runway and the subsequent separation of the left wheel.Aug 27, 2024 · N151GH · Substantial damageNTSB WPR24LA260Accident · No injuriesClass 3 · LimitedFinal reportKitfox Series V · La Grande, ORSeparation of the propeller blades from progressive damage at the blade roots due to overtightening of the hub bolts.Jul 23, 2024 · N53562 · Substantial damageNTSB ERA24LA325Accident · No injuriesClass 4 · LimitedFinal reportFlight Design Ctsw · Cuba, NYA separation of the left main landing gear wheel assembly during landing.Jul 23, 2024 · N504CT · Substantial damageNTSB ERA24FA310Accident · 1 fatalClass 3 · FieldFinal reportWilliams John Titan T-51 Mustang · Geneva, OHA sudden propeller overspeed and subsequent separation of the propeller blades and hub, while maneuvering at high speed and at low altitude, which resulted in a collision with a tree during the subsequent forced landing attempt.Jul 21, 2024 · N751TX · Substantial damageNTSB ANC24FA063Accident · 3 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 · Kekaha, HIAn encounter with turbulence due to downdraft winds that resulted in mast bumping and an in-flight breakup.Jul 11, 2024 · N144KW · Substantial damageNTSB ERA24LA303Accident · No injuriesClass 3 · LimitedFinal reportJones LONG-EZ · Thomasville, GAThe pilot reported that he was maneuvering around weather at 11,500 ft mean sea level (msl) when he made a rapid descent to 3,500 ft msl to remain clear of clouds. He reported that he did not exceed the airplane’s maneuvering speed during the descent, and…Jul 10, 2024 · N4JZ · Substantial damageNTSB CEN24FA248Accident · 1 fatalClass 3 · FieldFinal reportRotorway Scorpion 133 · Andale, KSThe pilot’s abrupt control inputs, which resulted in a low-G condition, main rotor mast bumping, and subsequent severing of the tailboom by the main rotor blades.Jul 5, 2024 · N51017 · DestroyedNTSB ERA24FA283Accident · 5 fatalClass 3 · FieldFinal reportPiper PA46 · Trout Creek, NYThe pilot’s loss of airplane control in flight due to spatial disorientation during a climb to cruise altitude in instrument meteorological conditions and turbulence, which resulted in the in-flight breakup of the airplane. Contributing to the accident was…Jun 30, 2024 · N85PG · DestroyedNTSB CEN24LA244Accident · Minor injuriesClass 4 · LimitedFinal reportDesert Fox 1 · Ellicott, COThe pilot's decision to takeoff with a quartering tailwind and high density altitude which resulted in a runway overrun. Contributing to the accident was the failure of the right main axle mount due to the poor weld.Jun 27, 2024 · N10ZR · Substantial damageNTSB ERA24LA276Accident · Minor injuriesClass 3 · LimitedFinal reportSnyder Searey · New Ipswich, NHA total loss of engine power due to the exhaust muffler and tailpipe assembly separating from its attach points and impacting the propeller.Jun 25, 2024 · N453TS · Substantial damageNTSB WPR24LA211Accident · No injuriesClass 3 · LimitedFinal reportBeech 58P · Escalante, UTThe failure of the windshield for undetermined reasons.Jun 19, 2024 · N9NS · Substantial damageNTSB DCA24LA210Accident · No injuriesClass 4 · LimitedFinal reportBoeing 767-316 ER · Milan, INOne or more latches were not fully re-engaged after a service check which resulted in the auxiliary power unit (APU) doors separating from the aircraft during climb out.Jun 17, 2024 · C-FCJU · Substantial damageNTSB CEN24FA179Accident · 2 fatalClass 3 · FieldFinal reportPiper PA46-500TP · Marianna, ARThe pilot’s exceedance of the airplane’s design limitations, which resulted in an in-flight breakup.May 13, 2024 · N241PM · Substantial damageNTSB ANC24FA029Accident · 2 fatalClass 3 · FieldFinal reportDouglas C54D · Fairbanks, AKA loss of power of the No. 1 engine for reasons that could not be determined, and the incorrect installation of a B-nut fitting in the propeller feathering system, which allowed engine oil to spray onto the exhaust system when the propeller was feathered…Apr 23, 2024 · N3054V · DestroyedNTSB CEN24LA149Accident · No injuriesClass 4 · LimitedFinal reportVan's RV-12iS · Lake Elmo, MNThe student pilot’s improper landing flare, which resulted in a bounced landing, and the nose gear collapsing. Contributing to the accident was the student pilot’s lack of experience.Apr 5, 2024 · N245EM · Substantial damageNTSB WPR24LA122Accident · No injuriesClass 3 · LimitedFinal reportCessna 180A · Nordman, IDMaintenance personnel's improper installation of the left main landing gear wheel assembly, which resulted in a loss of torque and subsequent separation of the wheel and axle assembly from the main landing gear leg during landing.Apr 4, 2024 · N5281D · Substantial damageNTSB CEN24LA128Accident · No injuriesClass 3 · LimitedFinal reportEurocopter Deutschland MBB-BK 117 C-2 · West Lafayette, INThe failure of maintenance personnel to properly install the tail rotor pitch change slider attachment hardware (T-bolt), which led to the disconnection of the pitch change slider, a loss of tail rotor control, and subsequent hard landing. Contributing to the…Mar 7, 2024 · N191LL · Substantial damageNTSB WPR24LA098Accident · No injuriesClass 4 · LimitedFinal reportCessna 182A · Weippe, IDThe pilot’s failure to secure the oil filler cap during the preflight inspection, which resulted in a precautionary landing on the soft surface and subsequent nose over.Feb 22, 2024 · N6323B · Substantial damageNTSB ERA24LA109Accident · No injuriesClass 4 · LimitedFinal reportPiper PA23 · Louisville, KYThe failure of maintenance personnel to thoroughly inspect and repair the worn-out panel fasteners and fastener holes.Feb 1, 2024 · N1317P · Substantial damageNTSB ERA24LA093Accident · Serious injuriesClass 4 · LimitedFinal reportQuest Kodiak 100 · Lakeport, FLThe improper recovery from a bounced landing, which resulted in a hard landing and subsequent noseover.Jan 19, 2024 · N5799 · Substantial damageNTSB DCA24MA063Accident · Minor injuriesClass 1 · MajorFinal reportBoeing 737-9 · Portland, ORthe in-flight separation of the left mid exit door (MED) plug due to Boeing Commercial Airplanes’ failure to provide adequate training, guidance, and oversight necessary to ensure that manufacturing personnel could consistently and correctly comply with its…Jan 6, 2024 · N704AL · Substantial damageNTSB ERA24LA084Accident · No injuriesClass 4 · LimitedFinal reportGolden Avio S R L F30 Brio · Midland, VAThe pilot’s improper recovery from a bounced landing, which resulted in damage to, and the separation of the nose wheel and fork bracket assembly, and subsequent collapse of the nose landing gear assembly.Dec 31, 2023 · N37GA · Substantial damageNTSB ERA24FA075Accident · 1 fatalClass 3 · FieldFinal reportHughes Helicopters 369E · Miami, FLMain rotor contact with the tail boom for unknown reasons, resulting in the separation of the tail boom.Dec 27, 2023 · N757TB · Substantial damageNTSB WPR24LA051Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-28-180 · Mesa, AZA failure of the engine cowling right side latch pin and fasteners, which resulted in the partial separation of the engine cowling during flight.Dec 5, 2023 · N9166J · Substantial damageNTSB CEN24LA038Accident · Minor injuriesClass 3 · LimitedFinal reportBede BD-4 · Lowell, INFatigue cracking of the propeller blade root, which resulted in the in-flight separation of the propeller blade from its root. Contributing to the accident was the improper machining of the blade root threads, which resulted in chatter/ratchet marks that…Nov 14, 2023 · N931AS · Substantial damageNTSB WPR23FA351Accident · 1 fatalClass 3 · FieldFinal reportGolden Circle T Bird · Arlington, WAA failure of the forward left wing spar due to an improper repair, which resulted in an inflight separation of the left wing. Contributing to the accident was improper maintenance by splicing the wing spar.Sep 22, 2023 · UNREG · Substantial damageNTSB ERA23LA369Accident · No injuriesClass 3 · LimitedFinal reportEurocopter Deutschland EC135T2 · Fargo, GAThe separation of the outer span of a tail rotor blade during flight as a result of localized intergranular corrosion due to a diminished protective coating at a critical location on the tail rotor blade surface that, combined with cyclic loading, resulted in…Sep 13, 2023 · N273AM · Substantial damageNTSB ANC23LA071Accident · Minor injuriesClass 3 · LimitedFinal reportBell Helicopter Textron Canada 206L-4 · King Salmon, AKThe failure of both pilots to see and avoid while en route, which resulted in a midair collision.Sep 5, 2023 · N193AL · 2 aircraft · Substantial damageNTSB CEN23LA398Accident · Minor injuriesClass 3 · LimitedFinal reportVan's RV-12 · Crystal, MNThe pilot’s improper landing flare, which resulted in a bounced landing and an overstress fracture of the nose landing gear strut.Sep 4, 2023 · N321BT · Substantial damageNTSB 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.Aug 31, 2023 · N2356M · Substantial damageNTSB ERA23FA352Accident · 2 fatalClass 3 · FieldFinal reportEurocopter EC135 · Pompano Beach, FLAn inflight fire outside of the engine firewalls, likely from overheating of the No. 1 engine for undetermined reasons, which resulted in a partial tailboom separation.Aug 28, 2023 · N109BC · DestroyedNTSB ERA23LA345Accident · No injuriesClass 4 · LimitedFinal reportWaco UPF-7 · Warrenton, VAA ground loop during landing resulting from a partial separation of the right main landing gear strut during takeoff.Aug 20, 2023 · N39721 · Substantial damageNTSB ERA23FA330Accident · 1 fatalClass 3 · FieldFinal reportCessna P210 · Junction City, GAThe pilot’s continued flight into a known area of adverse weather, which resulted in the penetration of a severe thunderstorm, the pilot’s loss of airplane control, and the airplane’s subsequent in-flight breakup.Aug 10, 2023 · N210JT · DestroyedNTSB WPR23LA283Accident · Minor injuriesClass 3 · LimitedFinal reportBeech C35 · Rock Springs, WYMaintenance personnel’s failure to properly secure the propeller pitch control rod castellated nut hardware, which resulted in an in-flight failure of the pitch control bearing and subsequent loss of engine RPM and thrust.Jul 20, 2023 · N620D · Substantial damageNTSB CEN23LA296Accident · Minor injuriesClass 3 · LimitedFinal reportMagni M24 · Mineral Point, MOThe inflight loss of the engine’s air filter which collided with the propeller which resulted in a vibration.Jul 11, 2023 · N123PS · Substantial damage