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
N3222P Beech
B36TC
Fixed-wing, single engine Amlz Air LLC
Rockville, Maryland
Standard 2022-05-10 ValidFAA registration status code V: Valid registration. All codes
N4981K Cessna
P210N
Fixed-wing, single engine Co-owned owner
California
Standard 2022-05-10 ValidFAA registration status code V: Valid registration. All codes
N817RM Beech
A36TC
Fixed-wing, single engine Omega Metals INC
Douglasville, Georgia
Standard 2022-05-10 ValidFAA registration status code V: Valid registration. All codes
N100MT Cessna
340A
Fixed-wing, multi-engine Devo Leasing LLC
Park City, Utah
Standard 2022-05-07 ValidFAA registration status code V: Valid registration. All codes
N414TS Cessna
414
Fixed-wing, multi-engine Individual owner
Texas
Standard 2022-05-07 ValidFAA registration status code V: Valid registration. All codes
N693BH Beech
58P
Fixed-wing, multi-engine Red River Cellular Telephone CORP
Texarkana, Arkansas
Standard 2022-05-06 ValidFAA registration status code V: Valid registration. All codes
N777V Cessna
T310R
Fixed-wing, multi-engine Miso Enteprises LLC
Wilmington, Delaware
Standard 2022-05-05 ValidFAA registration status code V: Valid registration. All codes
N484KW Cessna
T210N
Fixed-wing, single engine Individual owner
Arizona
Standard 2022-05-03 ValidFAA registration status code V: Valid registration. All codes
N84DA Cessna
414A
Fixed-wing, multi-engine Voorhees Investments INC
Costa Mesa, California
Standard 2022-05-02 ValidFAA registration status code V: Valid registration. All codes
N6396X Cessna
402B
Fixed-wing, multi-engine Aviation Tech Services LLC
Edgewater, Florida
Standard 2022-04-29 ValidFAA registration status code V: Valid registration. All codes
N600PA Beech
58P
Fixed-wing, multi-engine Heaven'S Landing Realty INC
Clayton, Georgia
Standard 2022-04-28 ValidFAA registration status code V: Valid registration. All codes
N6447X Cessna
TU206G
Fixed-wing, single engine Steller Air Service LLC
Homer, Alaska
Standard 2022-04-26 ValidFAA registration status code V: Valid registration. All codes
N58TB Beech
58P
Fixed-wing, multi-engine Individual owner
Texas
Standard 2022-04-21 ValidFAA registration status code V: Valid registration. All codes
N235W Cessna
T210N
Fixed-wing, single engine Jmzb Leasing LLC
Amarillo, Texas
Standard 2022-04-20 ValidFAA registration status code V: Valid registration. All codes
N3747C Cessna
414
Fixed-wing, multi-engine S I Air INC
Dover, Delaware
Standard 2022-04-20 ValidFAA registration status code V: Valid registration. All codes
N5144U Cessna
T210N
Fixed-wing, single engine Aeronaut LLC
Saint George, Utah
Standard 2022-04-20 ValidFAA registration status code V: Valid registration. All codes
N515RT Cessna
T210L
Fixed-wing, single engine Cemco Industrial Park LLC
Belen, New Mexico
Standard 2022-04-19 ValidFAA registration status code V: Valid registration. All codes
N732XL Cessna
T210M
Fixed-wing, single engine 5239G LLC
Auburn, Alabama
Standard 2022-04-16 ValidFAA registration status code V: Valid registration. All codes
N8851K Cessna
414A
Fixed-wing, multi-engine Jac Leasing LLC
Fort Myers, Florida
Standard 2022-04-06 ValidFAA registration status code V: Valid registration. All codes
N24SL Cessna
414A
Fixed-wing, multi-engine Skye Tess Airlines LLC
Holmdel, New Jersey
Standard 2022-03-31 ValidFAA registration status code V: Valid registration. All codes
N32V Cessna
340A
Fixed-wing, multi-engine Speer Aviation LLC
Evansville, Indiana
Standard 2022-03-31 ValidFAA registration status code V: Valid registration. All codes
N542C Cessna
T210N
Fixed-wing, single engine Gulf States Financial Services
Lafayette, Louisiana
Standard 2022-03-31 ValidFAA registration status code V: Valid registration. All codes
N8356N Beech
V35A
Fixed-wing, single engine Individual owner
Nevada
Standard 2022-03-31 ValidFAA registration status code V: Valid registration. All codes
N731FT Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2022-03-30 ValidFAA registration status code V: Valid registration. All codes
N5338U Cessna
T210N
Fixed-wing, single engine Watermelon Packer Ll
Mcallen, Texas
Standard 2022-03-29 ValidFAA registration status code V: Valid registration. All codes
N6355C Cessna
T210N
Fixed-wing, single engine Dutch Air LLC
Kalispell, Montana
Standard 2022-03-29 ValidFAA registration status code V: Valid registration. All codes
N1128C Cessna
T210M
Fixed-wing, single engine Individual owner
California
Standard 2022-03-28 ValidFAA registration status code V: Valid registration. All codes
N916MD Cessna
T310R
Fixed-wing, multi-engine 43701 CORP
Zanesville, Ohio
Standard 2022-03-28 ValidFAA registration status code V: Valid registration. All codes
N5091C Cessna
T303
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2022-03-26 ValidFAA registration status code V: Valid registration. All codes
N731PD Cessna
P210N
Fixed-wing, single engine Invisible Angels
Washington, District of Columbia
Standard 2022-03-26 ValidFAA registration status code V: Valid registration. All codes
N730AF Cessna
414
Fixed-wing, multi-engine B Fam LLC
Texico, New Mexico
Standard 2022-03-25 ValidFAA registration status code V: Valid registration. All codes
N731JG Cessna
P210N
Fixed-wing, single engine Gate Air LLC
Ketchum, Idaho
Standard 2022-03-25 ValidFAA registration status code V: Valid registration. All codes
N8712K Cessna
340A
Fixed-wing, multi-engine Individual owner
Idaho
Standard 2022-03-25 ValidFAA registration status code V: Valid registration. All codes
N629WS Cessna
T210K
Fixed-wing, single engine Individual owner
Georgia
Standard 2022-03-24 ValidFAA registration status code V: Valid registration. All codes
N6047S Beech
58P
Fixed-wing, multi-engine Individual owner
Indiana
Standard 2022-03-22 ValidFAA registration status code V: Valid registration. All codes
N210MT Cessna
T210N
Fixed-wing, single engine Waistcat Aviation INC
Mcallen, Texas
Standard 2022-03-21 ValidFAA registration status code V: Valid registration. All codes
N6024S Beech
58P
Fixed-wing, multi-engine Individual owner
Montana
Standard 2022-03-21 ValidFAA registration status code V: Valid registration. All codes
N2058C Beech
58TC
Fixed-wing, multi-engine Scorpion Aviation LLC
Hemet, California
Standard 2022-03-17 ValidFAA registration status code V: Valid registration. All codes
N223SB Beech
58P
Fixed-wing, multi-engine Tokitae Aviation LLC
Anacortes, Washington
Standard 2022-03-14 ValidFAA registration status code V: Valid registration. All codes
N26CF Cessna
T207
Fixed-wing, single engine Kustatan Leasing LLC
Nikiski, Alaska
Standard 2022-03-14 ValidFAA registration status code V: Valid registration. All codes
N410NF Cessna
414A
Fixed-wing, multi-engine Murphy Aviation INC
Gilroy, California
Standard 2022-03-11 ValidFAA registration status code V: Valid registration. All codes
N421A Cessna
421C
Fixed-wing, multi-engine Gone Flyin LLC
Wilmington, Delaware
Standard 2022-03-10 ValidFAA registration status code V: Valid registration. All codes
N349RF Faist Randy R
SUPER ES
Fixed-wing, single engine Phase 2 Ventures LLC
Seattle, Washington
Experimental 2022-03-08 ValidFAA registration status code V: Valid registration. All codes
N4898C Cessna
T210N
Fixed-wing, single engine Palo Aerocraft INC
Salem, Virginia
Standard 2022-03-08 ValidFAA registration status code V: Valid registration. All codes
N340FA Cessna
340A
Fixed-wing, multi-engine In Flight Dynamics LLC
Kirtland, Ohio
Standard 2022-03-07 ValidFAA registration status code V: Valid registration. All codes
N116PA Cessna
414A
Fixed-wing, multi-engine Jht Aircraft LLC
Wilmington, Delaware
Standard 2022-03-04 ValidFAA registration status code V: Valid registration. All codes
N761XF Cessna
T210M
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2022-03-04 ValidFAA registration status code V: Valid registration. All codes
N206SN Cessna
TU206G
Fixed-wing, single engine Dye Seed Ranch INC
Spokane Valley, Washington
Standard 2022-03-03 ValidFAA registration status code V: Valid registration. All codes
N267LM Cessna
P210N
Fixed-wing, single engine Aviation Trust CO LLC Trustee
Oklahoma City, Oklahoma
Standard 2022-03-01 ValidFAA registration status code V: Valid registration. All codes
N456BW Cessna
T207
Fixed-wing, single engine Custom Wholesale Supply CO INC
Odessa, Texas
Standard 2022-02-28 ValidFAA registration status code V: Valid registration. All codes
N50DD Cessna
P210N
Fixed-wing, single engine Qualitair LLC Trustee
Michelstadt,
Standard 2022-02-28 ValidFAA registration status code V: Valid registration. All codes
N210PR Cessna
210
Fixed-wing, single engine Co-owned owner
Oklahoma
Standard 2022-02-25 ValidFAA registration status code V: Valid registration. All codes
N4754A Cessna
340A
Fixed-wing, multi-engine Indigo Air LLC
Gulf Breeze, Florida
Standard 2022-02-25 ValidFAA registration status code V: Valid registration. All codes
N58BP Beech
58P
Fixed-wing, multi-engine N7Ss LLC
Nashville, Tennessee
Standard 2022-02-24 ValidFAA registration status code V: Valid registration. All codes
N94WM Piper
PA-46-310P
Fixed-wing, single engine Growth Caddie LLC
Vero Beach, Florida
Standard 2022-02-23 ValidFAA registration status code V: Valid registration. All codes
N514HR Beech
A36TC
Fixed-wing, single engine Individual owner
California
Standard 2022-02-19 ValidFAA registration status code V: Valid registration. All codes
N340EB Cessna
340A
Fixed-wing, multi-engine Co-owned owner
California
Standard 2022-02-15 ValidFAA registration status code V: Valid registration. All codes
N340GG Cessna
340A
Fixed-wing, multi-engine Individual owner
West Virginia
Standard 2022-02-15 ValidFAA registration status code V: Valid registration. All codes
N8605K Cessna
340A
Fixed-wing, multi-engine Wadsworth & Wadsworth LLC
Morehead City, North Carolina
Standard 2022-02-15 ValidFAA registration status code V: Valid registration. All codes
N21BE Cessna
P210N
Fixed-wing, single engine Specialized Helicopter Training LLC
Middleton, Idaho
Standard 2022-02-14 ValidFAA registration status code V: Valid registration. All codes
N311CH Beech
58TC
Fixed-wing, multi-engine Wings of Eaglz LLC
Lamoni, Iowa
Standard 2022-02-12 ValidFAA registration status code V: Valid registration. All codes
N445HP Beech
B36TC
Fixed-wing, single engine Chopra Family LP
Tulare, California
Standard 2022-02-12 ValidFAA registration status code V: Valid registration. All codes
N8EY Cessna
P210R
Fixed-wing, single engine Individual owner
Texas
Standard 2022-02-12 ValidFAA registration status code V: Valid registration. All codes
N880A Cessna
414
Fixed-wing, multi-engine Mj Aviation LLC
Denham Springs, Louisiana
Standard 2022-02-11 ValidFAA registration status code V: Valid registration. All codes
N52WX Piper
PA-46-310P
Fixed-wing, single engine Galaxy Drivers LLC
Dover, Delaware
Standard 2022-02-09 ValidFAA registration status code V: Valid registration. All codes
N628JW Cessna
414A
Fixed-wing, multi-engine Southern Edge Aviation LLC
Blue Ridge, Virginia
Standard 2022-02-09 ValidFAA registration status code V: Valid registration. All codes
N414K Cessna
414A
Fixed-wing, multi-engine Sky Magic Aviation INC Trustee
Wilmington, Delaware
Standard 2022-02-08 ValidFAA registration status code V: Valid registration. All codes
N61BS Beech
B36TC
Fixed-wing, single engine Kris & B Holdings LLC
Hyrum, Utah
Standard 2022-02-04 ValidFAA registration status code V: Valid registration. All codes
N340SH Cessna
340A
Fixed-wing, multi-engine Co-owned owner
Arizona
Standard 2022-02-03 ValidFAA registration status code V: Valid registration. All codes
N6753H Beech
B36TC
Fixed-wing, single engine Jsy Aviation LLC
Port Angeles, Washington
Standard 2022-02-03 ValidFAA registration status code V: Valid registration. All codes
N7347N Cessna
TU206G
Fixed-wing, single engine Av8 LLC
Boise, Idaho
Standard 2022-02-03 ValidFAA registration status code V: Valid registration. All codes
N38082 Beech
A36TC
Fixed-wing, single engine Individual owner
Arizona
Standard 2022-02-02 ValidFAA registration status code V: Valid registration. All codes
N732JF Cessna
T210L
Fixed-wing, single engine Speed of Light Aerospace LLC
Lompoc, California
Standard 2022-01-28 ValidFAA registration status code V: Valid registration. All codes
N9083Z Piper
PA-46-310P
Fixed-wing, single engine Co-owned owner
South Carolina
Standard 2022-01-27 ValidFAA registration status code V: Valid registration. All codes
N3895G Cessna
TU206B
Fixed-wing, single engine Mike Kilo Aviation LLC
Garden Ridge, Texas
Standard 2022-01-26 ValidFAA registration status code V: Valid registration. All codes
N6420Y Cessna
T210N
Fixed-wing, single engine Flying Amigos Aviation LLC
Las Cruces, New Mexico
Standard 2022-01-24 ValidFAA registration status code V: Valid registration. All codes
N6486V Cessna
T303
Fixed-wing, multi-engine Vroom Engineering INC
Tucson, Arizona
Standard 2022-01-24 ValidFAA registration status code V: Valid registration. All codes
N966UB Beech
58P
Fixed-wing, multi-engine Tex Ark Air CORP
Melissa, Texas
Standard 2022-01-24 ValidFAA registration status code V: Valid registration. All codes
N99HJ Cessna
414A
Fixed-wing, multi-engine Mf Property Management LLC
Hattiesburg, Mississippi
Standard 2022-01-24 ValidFAA registration status code V: Valid registration. All codes
N66TE Cessna
P210N
Fixed-wing, single engine Fly4Fun LLC
El Segundo, California
Standard 2022-01-22 ValidFAA registration status code V: Valid registration. All codes
N210CW Cessna
210N
Fixed-wing, single engine Beach Partnership LLC
Myrtle Beach, South Carolina
Standard 2022-01-20 ValidFAA registration status code V: Valid registration. All codes
N399KM Cessna
T210L
Fixed-wing, single engine Co-owned owner
Texas
Standard 2022-01-20 ValidFAA registration status code V: Valid registration. All codes
N414EE Cessna
414A
Fixed-wing, multi-engine Sp Aviation INC
Hayward, California
Standard 2022-01-19 ValidFAA registration status code V: Valid registration. All codes
N340CE Cessna
340A
Fixed-wing, multi-engine Neely Aviation Services CORP
Port Orange, Florida
Standard 2022-01-12 ValidFAA registration status code V: Valid registration. All codes
N77BV Cessna
P210N
Fixed-wing, single engine
Standard 2022-01-12 ValidFAA registration status code V: Valid registration. All codes
N117RS Beech
58P
Fixed-wing, multi-engine Ja1 Aviation LLC
Sedan, Kansas
Standard 2022-01-08 ValidFAA registration status code V: Valid registration. All codes
N333LB Cessna
T210M
Fixed-wing, single engine 333Lb LLC
Fort Worth, Texas
Standard 2022-01-08 ValidFAA registration status code V: Valid registration. All codes
N4946K Cessna
P210N
Fixed-wing, single engine Orion Technology Group LLC
San Diego, California
Standard 2022-01-08 ValidFAA registration status code V: Valid registration. All codes
N1252G Cessna
414
Fixed-wing, multi-engine International Air Services INC Trustee
Carson City, Nevada
Standard 2022-01-07 ValidFAA registration status code V: Valid registration. All codes
N659RJ Cessna
421C
Fixed-wing, multi-engine Individual owner
Florida
Standard 2022-01-06 ValidFAA registration status code V: Valid registration. All codes
N5154A Cessna
T210N
Fixed-wing, single engine Co-owned owner
Texas
Standard 2022-01-05 ValidFAA registration status code V: Valid registration. All codes
N2708T Cessna
335
Fixed-wing, multi-engine Cae Aviation LLC
Peshtigo, Wisconsin
Standard 2022-01-03 ValidFAA registration status code V: Valid registration. All codes
N224KA Cessna
T210N
Fixed-wing, single engine Individual owner
Texas
Standard 2021-12-29 ValidFAA registration status code V: Valid registration. All codes
N888PJ Cessna
T210N
Fixed-wing, single engine Individual owner
Texas
Standard 2021-12-28 ValidFAA registration status code V: Valid registration. All codes
N89AD Cessna
402C
Fixed-wing, multi-engine Clairmont Holdings Vi LLC
St Thomas, U.S. Virgin Islands
Standard 2021-12-28 ValidFAA registration status code V: Valid registration. All codes
N989AA Cessna
401A
Fixed-wing, multi-engine Individual owner
North Carolina
None on file 2021-12-21 ValidFAA registration status code V: Valid registration. All codes
N6178W Cessna
P210N
Fixed-wing, single engine Blu Sky Key West LLC
Key West, Florida
Standard 2021-12-20 ValidFAA registration status code V: Valid registration. All codes
N402SS Cessna
402B
Fixed-wing, multi-engine Kellair LTD INC
Sunrise, Florida
Standard 2021-12-16 Reports overdueFAA registration status code N: Non-citizen corporation that has not returned its flight-hour reports. All codes
N959RH Cessna
414A
Fixed-wing, multi-engine Rd Holdings LLC
Las Vegas, Nevada
Standard 2021-12-16 ValidFAA registration status code V: Valid registration. All codes
N6431P Cessna
P210N
Fixed-wing, single engine Hhd Aviation LLC
Hamilton, Ohio
Standard 2021-12-10 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.