NTSB investigations: Continental TSIO-520 series

22 cases on aircraft whose registry engine model is Continental TSIO-520 series, where the defining event was Sys/Comp malf/fail (non-power). 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

20082026
NTSB investigations: Continental TSIO-520 series per year, 2008–2026: 22 cases
20082
20092
20102
20111
20122
20132
20162
20191
20201
20212
20221
20232
20241
20261

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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17040')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '330'))
  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 CEN26LA270Accident · No injuriesClass 4 · LimitedInvestigation openCessna P210R · Arkadelphia, ARJul 23, 2026 · N5258A · Substantial damageNTSB ERA24LA386Accident · No injuriesClass 3 · LimitedFinal reportCessna 402 · Boston, MAThe failure of a solid hydraulic fluid line, which resulted in a loss of hydraulic fluid that prevented the landing gear extension process from completing normally. Contributing to the outcome was the pilot’s failure to fully activate the emergency landing…Sep 17, 2024 · N18VV · Substantial damageNTSB CEN24LA062Accident · No injuriesClass 4 · LimitedFinal reportCessna 340A · New Orleans, LAThe improper maintenance of the main landing gear, which resulted in a collapse and overstress failure of the left main landing gear during landing.Dec 12, 2023 · N7067W · Substantial damageNTSB ERA23LA101Accident · No injuriesClass 4 · LimitedFinal reportCessna 340A · Atlantic Ocean, Turks & Caicos IslandsA fuel system malfunction for reasons that could not be determined, which resulted in fuel starvation to both engines.Jan 3, 2023 · N824BC · Substantial damageNTSB ERA22LA272Accident · No injuriesClass 3 · LimitedFinal reportCessna 414 · Monongahela, PALoss of braking authority due to a loosened brake line fitting for reasons that could not be determined, which resulted in a runway overrun.Jun 19, 2022 · N1996G · Substantial damageNTSB CEN21LA460Accident · No injuriesClass 4 · LimitedFinal reportCessna P210N · El Paso, TXA faulty landing gear pressure switch prematurely deactivated the landing gear motor during extension, which resulted in the landing gear collapsing during rollout.Sep 28, 2021 · N4614K · Substantial damageNTSB GAA21WA026Accident · No injuriesClass 5 · ForeignCessna 340A · Toulouse, FranceFeb 2, 2021 · N8618G · Substantial damageNTSB ERA20CA100Accident · No injuriesData collectionFinal reportCessna 402 · Barnstable, MAThe pilot's failure to properly secure the crew hatch door before takeoff, which resulted in the door’s forward hinge assembly tearing from its fuselage mount point.Feb 12, 2020 · N409BK · Substantial damageNTSB CEN19LA059Accident · No injuriesLimited investigationFinal reportCessna T210 · Flint, MIThe failure of the nose landing gear actuator hydraulic hose, which resulted in the loss of hydraulic fluid and hydraulic system pressure and a subsequent gear-up landing.Jan 6, 2019 · N1237M · Substantial damageNTSB CEN17LA039Accident · Serious injuriesLimited investigationFinal reportCessna P210N · Pleasanton, TXMaintenance personnel's improper installation of the throttle linkage attachment hardware, which resulted in a partial loss of engine power when the hardware separated in flight.Nov 13, 2016 · N44C · Substantial damageNTSB ERA16FA185Accident · 4 fatalField investigationFinal reportBeech A36TC · Tupelo, MSA preexisting stress rupture that initiated at a spot weld in the turbocharger v-band exhaust clamp, which resulted in the failure of the clamp and separation of the exhaust tailpipe, an in-flight fire, and subsequent impact with terrain.May 16, 2016 · N60RW · DestroyedNTSB WPR13LA274Accident · No injuriesLimited investigationFinal reportCessna T210L · Fresno, CAA hydraulic fluid leak in the nose landing gear actuator rod seal, which prevented the hydraulic system from building up sufficient pressure to fully retract or extend the main landing gear.Jun 16, 2013 · N94086 · Substantial damageNTSB WPR13LA184Accident · Serious injuriesLimited investigationFinal reportBeech A36TC · Big Bear City, CAThe improper overhaul of the propeller, which resulted in the installation of an incorrect propeller actuating pin and deformation of the ferrule hole and led to the pin’s fatigue failure. Contributing to the accident was the failure of multiple owners and…Apr 6, 2013 · N36SG · Substantial damageNTSB ERA12IA550Incident · No injuriesIncident investigationFinal reportCessna 402C · Nantucket, MACompany maintenance personnel’s failure to comply with the airplane manufacturer’s service instructions by not removing the cracked drag brace from service nor inspecting the repaired drag brace at the appropriate interval, which resulted in the failure of…Aug 31, 2012 · N769EA · Minor damageNTSB CEN12LA420Accident · No injuriesLimited investigationFinal reportCessna T210M · Colorado Springs, COThe failure of the right hydraulic main gear down-lock actuator hose in flight.Jul 20, 2012 · N311TM · Substantial damageNTSB CEN11CA640Accident · No injuriesData collectionFinal reportCessna T210M · Cahokia, ILA failure of a spring in the main landing gear actuation system that prevented the landing gear from extending.Aug 25, 2011 · N44HR · Substantial damageNTSB 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.Jul 27, 2010 · N402VN · Minor damageNTSB ERA10LA128Accident · No injuriesLimited investigationFinal reportCessna 402C · Watertown, NYThe pilot's decision to continue the approach with a known anomaly with the left airspeed indicator. Contributing to the accident was an undetermined malfunction of the left airspeed indicator and the condition of the runway, resulting in decreased braking…Feb 1, 2010 · N121PB · Substantial damageNTSB CEN10LA014Accident · No injuriesLimited investigationFinal reportCessna T210L · Albuquerque, NMThe mechanic's failure to find and repair a leaking main landing gear hydraulic line during an annual inspection.Oct 14, 2009 · N211LC · Substantial damageNTSB CEN09LA417Accident · No injuriesLimited investigationFinal reportCessna T210L · Santa Teresa, NMThe failure of the landing gear accumulator seal for undetermined reasons. Contributing to the accident was the pilot’s failure to confirm the status of the landing gear.Jul 1, 2009 · N2118S · Substantial damageNTSB LAX08LA086Accident · No injuriesLimited investigationFinal reportCessna 402 · Henderson, NVThe failure of the left main landing gear torque link assembly for undetermined reasons.Mar 26, 2008 · N4010Q · Substantial damageNTSB MIA08LA079Accident · No injuriesLimited investigationFinal reportCessna 402B · Fort Lauderdale, FLThe improper adjustment of the right main landing gear down lock by maintenance personnel resulting in the gear collapse during the landing roll..Mar 15, 2008 · N300SH · Substantial damage