The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 8, 2026

Continental TSIO-520 series

4,114 aircraft on the U.S. register carry a Continental TSIO-520 series engine, rated at about 300 horsepower. The Cessna T210 Turbo Centurion is the model most often fitted with it (1,006 aircraft). The aircraft carrying it were built between 1967 and 2003.

The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Continental TSIO-520 series (2 codes). FAA spellings: TSIO-520 SER · TSIO 520 SER.

When the aircraft were built by decade

By decade built, as a table
aircraft
19404
19502
196080
19702,151
19801,302
199089
200031

What the FAA has certified, ordered and been told about the Continental TSIO-520 series the component layer

The design is held under 1 type certificate (E8CE, held by Continental Aerospace Technologies, INC.). The FAA has issued 36 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 411 failure reports with the FAA since 1995, 9 of them in the last ten years.

FAA orders 36 airworthiness directives · newest first

2023-10-262023-17-04 · Reciprocating Engine Oil System · engine
2023-07-172023-09-09 · Exhaust Turbine System (Recip) · engine
2023-03-152023-05-16 · Reciprocating Engine Power Section · engine
2023-02-232023-04-08 · Reciprocating Engine Power Section · engine
2023-02-172023-02-12 · Engine Air Intake System · engine
2022-08-152022-16-03 · Engine (RECIPROCATING) · engine

All orders naming the Continental TSIO-520 series

Failure reports 411 since · what operators and shops told the FAA

0193857769601061116226
Failure reports by year, as a table
reports
962
973
981
991
005
0165
0276
0357
0437
0543
0611
0721
0814
096
1020
118
129
137
146
154
166
192
203
241
251
262

Parts most often reported as the reports name them

Cylinder25Master Switch21Line20Control Cable14Bolt12Relay10Pump9Actuator8Alternator8Skin8
Parts most reported, as a table
reports
Cylinder25
Master Switch21
Line20
Control Cable14
Bolt12
Relay10
Pump9
Actuator8
Alternator8
Skin8

Latest reports

2026-05-07Alternator: destroyed
2026-05-07Alternator: destroyed
2025-09-12Pump: leaking
2024-03-15Cylinder Head: separated
2020-12-24Fitting: broken

Certificates and bulletins

E8CEType certificate held by Continental Aerospace Technologies, INC. · 31 models listed · revised April 6, 2020

Safety bulletins 11 · advice, not orders

2020-04-06NE-20-05 · POWERPLANT - Engine Camshaft Gear Tooth Fracture
2018-06-20NE-18-16 · POWERPLANT Alternator Drive Coupling
2017-05-10NE-17-11 · POWERPLANT Engine damage as a result of kickback
2016-03-08NE-16-13 · Powerplant - Prohibited use of sealant
2013-02-08NE-13-15 · Engine Controls: Continental Motors, Inc. (CMI) Throttle and Mixture Control Levers

Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.

Connections how this engine series links to the rest of the register

Fitted to
Where they are
Biggest operators
Airworthiness

The whole map of how records connect · these connections as data: /graph/engine/continental-tsio-520-series.json.

Aircraft newest certificates first · 4,114

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N1754U Cessna
T207
Fixed-wing, single engine Sutton Aircraft Salvage LLC
Palmer, Alaska
Standard 2019-06-10 ValidFAA registration status code V: Valid registration. All codes
N9535Y Cessna
T210N
Fixed-wing, single engine Spectra Q LLC
Las Vegas, Nevada
Standard 2019-06-10 ValidFAA registration status code V: Valid registration. All codes
N6640C Cessna
414A
Fixed-wing, multi-engine Gospel Ministries International INC
Collegedale, Tennessee
Standard 2019-06-06 ValidFAA registration status code V: Valid registration. All codes
N8155A Cessna
T310R
Fixed-wing, multi-engine Skylane Ventures LLC
Keizer, Oregon
Standard 2019-06-06 ValidFAA registration status code V: Valid registration. All codes
N986GM Cessna
414A
Fixed-wing, multi-engine Gospel Ministries International INC
Collegedale, Tennessee
Standard 2019-06-06 ValidFAA registration status code V: Valid registration. All codes
N4216Q Cessna
TU206F
Fixed-wing, single engine Foulkrod Freebird LLC
Buda, Texas
Standard 2019-06-03 ValidFAA registration status code V: Valid registration. All codes
N700DK Cessna
340A
Fixed-wing, multi-engine Flysix Oregon LLC
Salem, Oregon
Standard 2019-06-03 ValidFAA registration status code V: Valid registration. All codes
N32MC Cessna
T210L
Fixed-wing, single engine Individual owner
Texas
Standard 2019-05-30 ValidFAA registration status code V: Valid registration. All codes
N145TT Cessna
402B
Fixed-wing, multi-engine Venture Air Solutions INC
Dallas, Georgia
Standard 2019-05-29 ValidFAA registration status code V: Valid registration. All codes
N414MJ Cessna
414A
Fixed-wing, multi-engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2019-05-29 ValidFAA registration status code V: Valid registration. All codes
N800KW Cessna
402B
Fixed-wing, multi-engine Venture Air Solutions INC
Opa Locka, Florida
Standard 2019-05-29 ValidFAA registration status code V: Valid registration. All codes
N2615Q Cessna
402C
Fixed-wing, multi-engine Venture Air Solutions INC
Opa Locka, Florida
Standard 2019-05-28 ValidFAA registration status code V: Valid registration. All codes
N6489W Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2019-05-24 ValidFAA registration status code V: Valid registration. All codes
N12DU Cessna
TU206G
Fixed-wing, single engine Woodtick Summit Aviation LLC
Redmond, Oregon
Standard 2019-05-23 ValidFAA registration status code V: Valid registration. All codes
N91SD Piper
PA-46-310P
Fixed-wing, single engine Flying High LLC
Plainfield, Illinois
Standard 2019-05-23 ValidFAA registration status code V: Valid registration. All codes
N4896K Cessna
P210N
Fixed-wing, single engine Braxtal LLC
Kingfisher, Oklahoma
Standard 2019-05-22 ValidFAA registration status code V: Valid registration. All codes
N8241N Beech
B36TC
Fixed-wing, single engine Special Services LLC
Magnolia, Delaware
Standard 2019-05-21 ValidFAA registration status code V: Valid registration. All codes
N84SJ Cessna
T210N
Fixed-wing, single engine Co-owned owner
California
Standard 2019-05-17 ValidFAA registration status code V: Valid registration. All codes
N6399K Cessna
P210N
Fixed-wing, single engine I B Development LLC
Monahans, Texas
Standard 2019-05-15 ValidFAA registration status code V: Valid registration. All codes
N26QR Beech
A36TC
Fixed-wing, single engine Co-owned owner
California
Standard 2019-05-14 ValidFAA registration status code V: Valid registration. All codes
N39DD Cessna
340
Fixed-wing, multi-engine Co-owned owner
Alaska
Standard 2019-05-14 ValidFAA registration status code V: Valid registration. All codes
N5225V Cessna
T210L
Fixed-wing, single engine Individual owner
Wyoming
Standard 2019-05-10 ValidFAA registration status code V: Valid registration. All codes
N6578C Cessna
414A
Fixed-wing, multi-engine Papoose Air II LLC
Wilmington, Delaware
Standard 2019-05-10 ValidFAA registration status code V: Valid registration. All codes
N4272C Cessna
414A
Fixed-wing, multi-engine Kamps Air LLC
Grand Rapids, Michigan
Standard 2019-05-08 ValidFAA registration status code V: Valid registration. All codes
N438AP Cessna
340A
Fixed-wing, multi-engine Whiskey 340 LLC
Tucson, Arizona
Standard 2019-05-07 ValidFAA registration status code V: Valid registration. All codes
N61BQ Cessna
T210R
Fixed-wing, single engine Ele Motorsports LLC
Dover, Delaware
Standard 2019-05-07 ValidFAA registration status code V: Valid registration. All codes
N67VM Cessna
P210N
Fixed-wing, single engine Creeque Alley Ventures LLC
Missoula, Montana
Standard 2019-05-06 ValidFAA registration status code V: Valid registration. All codes
N6977B Cessna
T210M
Fixed-wing, single engine Co-owned owner
California
Standard 2019-04-29 ValidFAA registration status code V: Valid registration. All codes
N917WC Cessna
TU206F
Fixed-wing, single engine Barr Air Patrol LLC
Mesquite, Texas
Multiple 2019-04-29 ValidFAA registration status code V: Valid registration. All codes
N9338Z Cessna
TU206G
Fixed-wing, single engine Barr Air Patrol LLC
Mesquite, Texas
Standard 2019-04-29 ValidFAA registration status code V: Valid registration. All codes
N769AC Beech
58TC
Fixed-wing, multi-engine Aircraft Propulsion Leasing LLC
Holland, Ohio
Standard 2019-04-26 ValidFAA registration status code V: Valid registration. All codes
N5227J Cessna
340A
Fixed-wing, multi-engine Sbs Partnership
Henderson, Nevada
Standard 2019-04-23 ValidFAA registration status code V: Valid registration. All codes
N13PE Beech
58P
Fixed-wing, multi-engine Camm Air
Spencer, Iowa
Standard 2019-04-22 ValidFAA registration status code V: Valid registration. All codes
N4960K Cessna
P210N
Fixed-wing, single engine Shuck Drilling CO
Edgar, Nebraska
Standard 2019-04-22 ValidFAA registration status code V: Valid registration. All codes
N555SK Cessna
T210N
Fixed-wing, single engine Jld Resources Management LLC
Helena, Montana
Standard 2019-04-22 ValidFAA registration status code V: Valid registration. All codes
N278PB Cessna
P210N
Fixed-wing, single engine P21000318 INC Trustee
Wilmington, Delaware
Standard 2019-04-19 ValidFAA registration status code V: Valid registration. All codes
N531EC Cessna
P210N
Fixed-wing, single engine Blue Jets LLC
Rialto, California
Standard 2019-04-18 ValidFAA registration status code V: Valid registration. All codes
N72412 Cessna
U206D
Fixed-wing, single engine Intricate Bay Operating LLC
Saylorsburg, Pennsylvania
Standard 2019-04-17 ValidFAA registration status code V: Valid registration. All codes
N414WE Cessna
414A
Fixed-wing, multi-engine N414We LLC
Valrico, Florida
Standard 2019-04-15 ValidFAA registration status code V: Valid registration. All codes
N18VJ Beech
58P
Fixed-wing, multi-engine Assurance Data INC
Indiana, Pennsylvania
Standard 2019-04-10 ValidFAA registration status code V: Valid registration. All codes
N732YC Cessna
T210M
Fixed-wing, single engine Individual owner
Nevada
Standard 2019-04-10 ValidFAA registration status code V: Valid registration. All codes
N169GR Beech
B36TC
Fixed-wing, single engine Blue Skies Above LLC
Spring, Texas
Standard 2019-04-09 ValidFAA registration status code V: Valid registration. All codes
N344AH Cessna
T310R
Fixed-wing, multi-engine Adams Flying Service INC
Rayville, Louisiana
Standard 2019-04-08 ValidFAA registration status code V: Valid registration. All codes
N699BB Beech
58P
Fixed-wing, multi-engine Profi-Vision INC
Fogelsville, Pennsylvania
Standard 2019-04-04 ValidFAA registration status code V: Valid registration. All codes
N988YT Beech
B36TC
Fixed-wing, single engine Mdf Ventures LLC
Los Angeles, California
Standard 2019-04-04 ValidFAA registration status code V: Valid registration. All codes
N6529Y Cessna
T210N
Fixed-wing, single engine Bbd Lynch Family LP
Houston, Texas
Standard 2019-03-29 ValidFAA registration status code V: Valid registration. All codes
N761FQ Cessna
T210M
Fixed-wing, single engine Individual owner
Texas
Standard 2019-03-29 ValidFAA registration status code V: Valid registration. All codes
N321JH Cessna
414A
Fixed-wing, multi-engine Individual owner
Idaho
Standard 2019-03-23 ValidFAA registration status code V: Valid registration. All codes
N30942 Cessna
T210L
Fixed-wing, single engine Polar Bear Aviation LLC
Batesville, Mississippi
Standard 2019-03-22 ValidFAA registration status code V: Valid registration. All codes
N3210P Cessna
P210N
Fixed-wing, single engine Individual owner
Florida
Standard 2019-03-16 ValidFAA registration status code V: Valid registration. All codes
N6789Y Beech
B36TC
Fixed-wing, single engine Co-owned owner
Ohio
Standard 2019-03-16 ValidFAA registration status code V: Valid registration. All codes
N311JB Cessna
P210N
Fixed-wing, single engine Jack Brain and Associates INC
Castro Valley, California
Standard 2019-03-15 ValidFAA registration status code V: Valid registration. All codes
N340ER Cessna
340A
Fixed-wing, multi-engine Individual owner
California
Standard 2019-03-15 ValidFAA registration status code V: Valid registration. All codes
N66885 Beech
A36TC
Fixed-wing, single engine Turn Key Construction Services INC
Lincoln, California
Standard 2019-03-14 ValidFAA registration status code V: Valid registration. All codes
N8300Z Beech
B36TC
Fixed-wing, single engine Willowridge Farm
Winchester, Kentucky
Standard 2019-03-13 ValidFAA registration status code V: Valid registration. All codes
N598AS Cessna
414A
Fixed-wing, multi-engine Associated Auction & Liquidation CO
Clarksburg, Tennessee
Standard 2019-03-11 ValidFAA registration status code V: Valid registration. All codes
N5CN Cessna
414A
Fixed-wing, multi-engine Co-owned owner
Florida
Standard 2019-03-11 ValidFAA registration status code V: Valid registration. All codes
N36HP Beech
B36TC
Fixed-wing, single engine Nyack INC
Emigrant Gap, California
Standard 2019-03-09 ValidFAA registration status code V: Valid registration. All codes
N58PD Beech
58P
Fixed-wing, multi-engine Individual owner
Oregon
Standard 2019-03-07 ValidFAA registration status code V: Valid registration. All codes
N77LV Beech
58P
Fixed-wing, multi-engine Aviacion del Oeste INC
Mayaguez, Puerto Rico
Standard 2019-03-07 ValidFAA registration status code V: Valid registration. All codes
N6939N Cessna
T210N
Fixed-wing, single engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2019-02-27 ValidFAA registration status code V: Valid registration. All codes
N512GT Cessna
T210L
Fixed-wing, single engine Barron Thomas Aviation INC
Scottsdale, Arizona
Standard 2019-02-25 ValidFAA registration status code V: Valid registration. All codes
N60DR Beech
A36
Fixed-wing, single engine Sudeep Singh Flllp
Clovis, California
Standard 2019-02-25 ValidFAA registration status code V: Valid registration. All codes
N761ME Cessna
T210M
Fixed-wing, single engine Roseburg Skyways LLC
Livermore, California
Standard 2019-02-25 ValidFAA registration status code V: Valid registration. All codes
N6464A Beech
B36TC
Fixed-wing, single engine Individual owner
Texas
Standard 2019-02-23 ValidFAA registration status code V: Valid registration. All codes
N38PF Cessna
T210N
Fixed-wing, single engine Sycan CORP DBA
Paso Robles, California
Standard 2019-02-21 ValidFAA registration status code V: Valid registration. All codes
N9EP Beech
58P
Fixed-wing, multi-engine Mcavian LLC
Perryton, Texas
Standard 2019-02-13 ValidFAA registration status code V: Valid registration. All codes
N550AF Beech
A36TC
Fixed-wing, single engine Atm One INC
Tulsa, Oklahoma
Standard 2019-02-12 ValidFAA registration status code V: Valid registration. All codes
N210PP Cessna
P210N
Fixed-wing, single engine Papaco LLC
Green Cove Springs, Florida
Standard 2019-02-11 ValidFAA registration status code V: Valid registration. All codes
N4363L Piper
PA-46-310P
Fixed-wing, single engine Veritas Holdings LLC
Washington, District of Columbia
Standard 2019-02-11 ValidFAA registration status code V: Valid registration. All codes
N1238R Cessna
340A
Fixed-wing, multi-engine Ltx Consulting LLC
Austin, Texas
Standard 2019-02-09 ValidFAA registration status code V: Valid registration. All codes
N5276A Cessna
T210N
Fixed-wing, single engine Individual owner
Standard 2019-02-06 Reports overdueFAA registration status code N: Non-citizen corporation that has not returned its flight-hour reports. All codes
N9748Z Cessna
T210L
Fixed-wing, single engine Individual owner
California
Standard 2019-02-06 ValidFAA registration status code V: Valid registration. All codes
N39TK Beech
B36TC
Fixed-wing, single engine Cold Water Aviation LLC
Wabasso, Minnesota
Standard 2019-01-24 ValidFAA registration status code V: Valid registration. All codes
N38NT Beech
58P
Fixed-wing, multi-engine Individual owner
Ohio
Standard 2019-01-22 ValidFAA registration status code V: Valid registration. All codes
N6303X Cessna
340A
Fixed-wing, multi-engine Individual owner
Colorado
Standard 2019-01-18 ValidFAA registration status code V: Valid registration. All codes
N1915W Cessna
T310Q
Fixed-wing, multi-engine Co-owned owner
Iowa
Standard 2019-01-17 ValidFAA registration status code V: Valid registration. All codes
N5938M Cessna
340
Fixed-wing, multi-engine Co-owned owner
Oregon
Standard 2019-01-17 ValidFAA registration status code V: Valid registration. All codes
N820AH Cessna
TU206G
Fixed-wing, single engine Individual owner
Colorado
Standard 2019-01-16 ValidFAA registration status code V: Valid registration. All codes
N6467N Beech
B36TC
Fixed-wing, single engine Da Vinci Aero LLC
Lake Ozark, Missouri
Standard 2019-01-15 ValidFAA registration status code V: Valid registration. All codes
N6736T Beech
B36TC
Fixed-wing, single engine Individual owner
Iowa
Standard 2019-01-15 ValidFAA registration status code V: Valid registration. All codes
N81TB Beech
58P
Fixed-wing, multi-engine Malachi Leasing CO
Wilmington, Delaware
Standard 2019-01-09 ValidFAA registration status code V: Valid registration. All codes
N11KR Cessna
T210L
Fixed-wing, single engine Individual owner
Oregon
Standard 2019-01-07 ValidFAA registration status code V: Valid registration. All codes
N401CA Cessna
401A
Fixed-wing, multi-engine Individual owner
California
Standard 2019-01-07 ValidFAA registration status code V: Valid registration. All codes
N5131Q Cessna
T210L
Fixed-wing, single engine Individual owner
Texas
Standard 2019-01-07 ValidFAA registration status code V: Valid registration. All codes
N44SA Beech
58P
Fixed-wing, multi-engine Gniks LLC
Nevada, Missouri
Standard 2018-12-27 ValidFAA registration status code V: Valid registration. All codes
N562DG Cessna
T210M
Fixed-wing, single engine B2D LLC
Wickenburg, Arizona
Standard 2018-12-26 ValidFAA registration status code V: Valid registration. All codes
N216LH Cessna
TU206G
Fixed-wing, single engine Co-owned owner
Oregon
Standard 2018-12-21 ValidFAA registration status code V: Valid registration. All codes
N80MT Cessna
TU206G
Fixed-wing, single engine Co-owned owner
Montana
Standard 2018-12-18 ValidFAA registration status code V: Valid registration. All codes
N33WK Beech
58P
Fixed-wing, multi-engine Individual owner
Texas
Standard 2018-12-17 ValidFAA registration status code V: Valid registration. All codes
N4911J Cessna
T188C
Fixed-wing, single engine Individual owner
Missouri
Restricted 2018-12-17 ValidFAA registration status code V: Valid registration. All codes
N5181J Cessna
340A
Fixed-wing, multi-engine Force One INC
Missoula, Montana
Standard 2018-12-17 ValidFAA registration status code V: Valid registration. All codes
N30PH Beech
58P
Fixed-wing, multi-engine Individual owner
Texas
Standard 2018-12-14 ValidFAA registration status code V: Valid registration. All codes
N712SB Cessna
T310R
Fixed-wing, multi-engine Individual owner
California
Standard 2018-12-14 ValidFAA registration status code V: Valid registration. All codes
N340WJ Cessna
340A
Fixed-wing, multi-engine Integritas Aviation LLC
Cedar Park, Texas
Standard 2018-12-12 ValidFAA registration status code V: Valid registration. All codes
N6709Q Beech
B36TC
Fixed-wing, single engine Clear Blue Marketing INC
Reno, Nevada
Standard 2018-12-12 ValidFAA registration status code V: Valid registration. All codes
N3422 Cessna
TU206F
Fixed-wing, single engine Individual owner
Texas
Standard 2018-12-10 ValidFAA registration status code V: Valid registration. All codes
N3685W Beech
A36TC
Fixed-wing, single engine Individual owner
Washington
Standard 2018-12-01 ValidFAA registration status code V: Valid registration. All codes
N780MB Cessna
402B
Fixed-wing, multi-engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2018-11-30 ValidFAA registration status code V: Valid registration. All codes
N2375S Cessna
T210L
Fixed-wing, single engine Individual owner
Idaho
Standard 2018-11-29 ValidFAA registration status code V: Valid registration. All codes
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Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 8, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.