Final NTSB investigations: Lycoming IO-320 series

876 cases on aircraft whose registry engine model is Lycoming IO-320 series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

19642026
Final NTSB investigations: Lycoming IO-320 series per year, 1964–2026: 876 cases
196417
196521
196634
196735
196825
196920
197033
197128
197234
197332
197427
197521
197620
197719
197836
197919
198022
198117
198217
198313
198418
198512
198615
198717
198810
198911
19909
19919
19925
19935
19943
19955
199610
19975
19986
19999
200011
200111
200213
200313
200410
20058
200611
200714
200810
200912
201010
201113
20127
20139
201410
20157
20164
20178
20186
20193
202010
20217
20229
20239
20245
20255
20262

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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41509'))
  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 CEN26LA225Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-30 · Meridian, MSThe total loss of power to both engines due to fuel exhaustion. Contributing to the accident was the pilot’s failure to verify the airplane’s fuel quantity before departure.Jun 15, 2026 · N8143Y · Substantial damageNTSB ERA26LA190Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-30 · Enterprise, ALThe pilot’s inadequate preflight and inflight fuel planning, which resulted in a total loss of engine power due to fuel starvation and subsequent forced landing into trees.Apr 26, 2026 · N8432Y · Substantial damageNTSB ERA26LA063Accident · Serious injuriesClass 4 · LimitedFinal reportCessna 172 · DeLand, FLThe flight instructor’s inadequate fuel quantity inspection, which resulted in a total loss of engine power due to fuel exhaustion.Dec 8, 2025 · N64859 · Substantial damageNTSB WPR26LA007Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-30 · Gila Bend, AZThe pilot’s improper throttle input and failure to maintain aircraft control during landing.Oct 6, 2025 · N8678Y · Substantial damageNTSB CEN25LA361Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-30 · Caro, MIThe pilot’s failure to remove the tow bar before flight.Sep 2, 2025 · N26RJ · Substantial damageNTSB ERA25LA315Accident · Serious injuriesClass 4 · LimitedFinal reportPatriot CX1900A · Centreville, ALThe pilot’s failure to detect and remove water contamination from the airplane’s fuel system before the flight, which resulted in a total loss of engine power during initial climb.Aug 20, 2025 · N150SP · Substantial damageNTSB ERA25LA153Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-30 · Anderson, SCThe pilots’ overcorrection during the landing roll which resulted in a loss of directional control and runway excursion. Contributing was the flight instructor’s inability to correct the pilot’s actions because due to brakes only being installed on the…Mar 21, 2025 · N8339Y · Substantial damageNTSB CEN25LA015Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-30 · New Orleans, LAThe failure of a landing gear torque arm which resulted in a landing gear collapse and runway excursion.Oct 16, 2024 · N7967Y · Substantial damageNTSB CEN25LA016Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-30 · Springfield, MOThe flight instructor’s inability to confirm landing gear position before landing due to the sun glare which resulted in gear up landing. Contributing to the accident was an undetected tripped circuit breaker for the landing gear and the inoperative gear…Oct 10, 2024 · N7577Y · Substantial damageNTSB WPR24LA275Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-30 · Concord, CAThe failure of the main landing gear to extend and lock for reasons that could not be determined based on the available information. Contributing to the accident was a mechanical failure of the manual landing gear release mechanism due to inadequate clearance…Aug 9, 2024 · N8458Y · Substantial damageNTSB CEN24LA267Accident · No injuriesClass 4 · LimitedFinal reportCovington Edward L SHA-GLASAIR · Saint James, MNAn in-flight bird strike which resulted in an engine compartment fire that ultimately destroyed the airplane.Jul 12, 2024 · N3EC · DestroyedNTSB CEN24LA147Accident · Minor injuriesClass 3 · LimitedFinal reportBellanca 7KCAB · Bluff Dale, TXAn engine compartment fire for reasons that could not be determined due to extensive thermal damage.Apr 4, 2024 · N8946 · DestroyedNTSB WPR24LA061Accident · No injuriesClass 3 · LimitedFinal reportGlasair SH2 · Prescott, AZLoss of directional control during landing due to an improperly constructed and maintained tailwheel locking assembly.Dec 26, 2023 · N29TT · Substantial damageNTSB CEN24LA055Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-30 · Alamosa, COThe pilot’s failure to maintain directional control during landing with an excessive touchdown speed that resulted in a loss of control and impact with terrain.Dec 6, 2023 · N7790Y · Substantial damageNTSB WPR23LA348Accident · No injuriesClass 3 · LimitedFinal reportChampion 7KCAB · Benson, AZThe pilots’ failure to maintain control of the aircraft during takeoff.Sep 19, 2023 · N998B · Substantial damageNTSB CEN23FA284Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-30 · Sherman, TXThe pilot’s failure to maintain control during a forced landing following a loss of engine power. Contributing was the pilot’s failure to feather the left propeller following the loss of engine power.Jul 8, 2023 · N4743M · Substantial damageNTSB ERA23FA274Accident · 3 fatalClass 3 · FieldFinal reportPiper PA-30 · Claxton, GAThe flight crew’s improper fuel management, which resulted in the airplane’s right engine being starved of fuel and its subsequent total loss of power.Jun 25, 2023 · N7240Y · Substantial damageNTSB ERA23FA270Accident · 2 fatalClass 3 · FieldFinal reportPiper PA-30 · Ebensburg, PAThe pilot’s spatial disorientation and subsequent loss of airplane control, which resulted in an uncontrolled descent and collision with terrain.Jun 17, 2023 · N7628Y · DestroyedNTSB WPR23LA220Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-30 · Nephi, UTA total loss of engine power due to fuel contamination as a result of the inadequate removal of fuel system corrosion during previous maintenance.Jun 8, 2023 · N7318Y · Substantial damageNTSB ERA23FA260Accident · 2 fatalClass 3 · FieldFinal reportVans RV6 · Colonial Beach, VAThe pilot’s failure to maintain adequate airspeed while maneuvering at low altitude, which resulted in an exceedance of the airplane’s critical angle of attack and a subsequent aerodynamic stall.Jun 7, 2023 · N835BC · DestroyedNTSB ERA23LA210Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-30 · St. Augustine, FLThe pilot’s failure to extend the landing gear before landing.Apr 18, 2023 · N751WW · Substantial damageNTSB ERA23FA067Accident · 2 fatalClass 3 · FieldFinal reportPiper PA-30 · Winston-Salem, NCContamination and/or misalignment of the regulator section of the right engine’s fuel servo, which resulted in excessive idle fuel flow and a total loss of engine power. Also causal was the pilot's failure to land immediately on the nearest runway at the…Nov 19, 2022 · N7295Y · Substantial damageNTSB ERA23LA069Accident · Minor injuriesClass 4 · LimitedFinal reportBellanca 7KCAB · Accident, MDThe pilot’s failure to maintain directional control during the landing roll in crosswind conditions.Oct 28, 2022 · N68531 · Substantial damageNTSB WPR23LA013Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-30 · Tucson, AZThe pilot’s loss of control during landing for reasons that could not be determined based on the available evidence.Oct 15, 2022 · N7746Y · Substantial damageNTSB CEN23LA002Accident · No injuriesClass 4 · LimitedFinal reportChampion 7KCAB · Danville, ILThe pilot decision to perform a precautionary landing to a field with obstacles which resulted in a ground loop. Contributing was the pilot’s inadequate fuel planning.Oct 2, 2022 · N869TT · Substantial damageNTSB ERA22LA414Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-39 · Caldwell, NJThe pilot’s acute cerebrovascular event, which caused symptoms that diminished his situational awareness and prompted him to abort the takeoff, resulting in a runway excursion.Sep 9, 2022 · N8925Y · Substantial damageNTSB CEN22LA327Accident · No injuriesClass 4 · LimitedFinal reportChampion 7KCAB · Gordon, NEThe pilot’s loss of control while landing a tailwheel-equipped airplane with a gusty crosswind.Jul 20, 2022 · N7119 · Substantial damageNTSB ERA22LA336Accident · Minor injuriesClass 4 · LimitedFinal reportBellanca 7KCAB · East Haddam, CTThe pilot's failure to maintain directional control during the landing.Jul 17, 2022 · N8680V · Substantial damageNTSB CEN22FA145Accident · 3 fatalClass 3 · FieldFinal reportPiper PA-30 · Pond Creek, OKThe pilot’s loss of control of the airplane, resulting in an in-flight breakup.Mar 17, 2022 · N8357Y · DestroyedNTSB ERA22LA138Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-30 · Farmingdale, NYThe flight crew’s failure to verify the landing gear position prior to landing. Contributing to the accident was an overload in the landing gear motor electrical circuit which resulted in the circuit breaker opening, preventing the landing gear from extending.Feb 28, 2022 · N7943Y · Substantial damageNTSB CEN22LA083Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-30 · Houston, TXThe instructed pilot and the flight instructor’s failure to extend the landing gear before landing resulting in a wheels up landing.Dec 16, 2021 · N19VS · Substantial damageNTSB ERA22LA049Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-30 · Newport Richie, FLA loss of directional control on landing for undetermined reasons.Nov 7, 2021 · N8822Y · Substantial damageNTSB ERA22FA047Accident · 1 fatalClass 3 · FieldFinal reportPiper PA30 · Rock Hill, SCThe pilot’s exceedance of the airplane's critical angle of attack while troubleshooting a landing gear indication, which resulted in an aerodynamic stall at low altitude.Nov 5, 2021 · N8924Y · Substantial damageNTSB ERA22LA037Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-30 · Waverly, TNThe pilot’s improper pre-flight fuel planning, which resulted in a total loss of engine power to both engines due to fuel exhaustion.Oct 29, 2021 · N30SH · Substantial damageNTSB WPR21LA328Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Wasilla, AKThe pilot’s inability to maintain control of the airplane during taxi after it encountered the prop wash from a larger airplane that was conducting a high-power engine run on the same taxiway.Aug 20, 2021 · N89ZW · Substantial damageNTSB WPR21LA179Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-30B · Corvallis, ORThe pilot’s failure to maintain airplane control during a simulated engine out landing which resulted in impact with terrain.Apr 29, 2021 · N125RJ · Substantial damageNTSB CEN21LA171Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-30 · Wanatah, INThe pilots’ fuel mismanagement, which resulted in fuel starvation and a total loss of engine power to both engines.Mar 22, 2021 · N7588Y · Substantial damageNTSB CEN21LA105Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-30 · Navasota, TXThe pilot’s failure to extend the landing gear before landing.Dec 28, 2020 · N1236 · Substantial damageNTSB CEN20LA399Accident · 2 fatalClass 3 · LimitedFinal reportVans RV9 · Zeeland, MIThe pilot’s failure to maintain airspeed during a visual approach in dark night conditions, which resulted in an aerodynamic stall and loss of airplane control. Contributing to the accident was the pilot’s lack of recent flight experience at night.Sep 19, 2020 · N94KJ · DestroyedNTSB WPR20LA314Accident · No injuriesClass 4 · LimitedFinal reportPiper PA30 · Homer, AKThe pilot’s improper flare which resulted in a hard bounced landing and runway excursion.Sep 12, 2020 · N7669Y · Substantial damageNTSB WPR20LA308Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA 30 · Billings, MTThe pilot’s improper fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.Sep 12, 2020 · N7602Y · Substantial damageNTSB ERA20LA272Accident · No injuriesClass 3 · LimitedFinal reportPiper PA 30 · Alabaster, ALA loss of control and lack of climb performance shortly after takeoff for reasons that could not be determined based on available evidence, resulting in a collision with terrain.Aug 2, 2020 · N7750Y · Substantial damageNTSB WPR20LA223Accident · No injuriesClass 3 · LimitedFinal reportPiper PA 30 · Vaughn, NMThe total loss of power in the right engine due to fuel starvation. Contributing to the accident was the pilot’s failure to follow the manufacturer-recommended procedure after the loss of power in the right engine.Jul 15, 2020 · N8488Y · Substantial damageNTSB WPR20LA180Accident · Minor injuriesClass 3 · LimitedFinal reportBellanca 7KCAB · Renton, WAMaintenance personnel’s inadequate post-maintenance inspections that resulted in the total loss of engine power due to a blockage in the air intake.Jun 12, 2020 · N36339 · Substantial damageNTSB WPR20LA252Accident · No injuriesClass 3 · LimitedFinal reportPiper PA 30 · Salem, ORA fatigue failure of the right main landing gear trunnion.Jun 5, 2020 · N8244Y · Substantial damageNTSB ERA20LA194Accident · No injuriesClass 3 · LimitedFinal reportBellanca 8KCAB · Rainbow City, ALThe partial loss of engine power for reasons that could not be determined based on available evidence.May 22, 2020 · N68555 · Substantial damageNTSB WPR20LA111Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA 30 · Eagle Creek, ORThe pilot's loss of airplane control during takeoff due to his left shoe’s interference with the rudder pedal.Mar 19, 2020 · N7155Y · DestroyedNTSB GAA19CA041Accident · No injuriesData collectionFinal reportVans RV 6 · Paola, KSThe pilot's failure to maintain directional control, which resulted in a runway excursion during the aborted landing and subsequent impact with vegetation and a nose-over.Jun 1, 2019 · N515CW · Substantial damageNTSB CEN19LA153Accident · Minor injuriesClass 3 · LimitedFinal reportChampion 8KCAB · Fredericksburg, TXA total loss of engine power due to fuel exhaustion.May 25, 2019 · N68557 · Substantial damageNTSB ERA19FA170Accident · 1 fatalClass 3 · FieldFinal reportPiper PA 30 · Naples, FLIncapacitation of the pilot due to a birdstrike through the windshield in front of the pilot's position, while on approach to land.May 11, 2019 · N7650Y · Destroyed