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
N1817A Beech
A36TC
Fixed-wing, single engine Individual owner
Arizona
Standard 2023-05-17 ValidFAA registration status code V: Valid registration. All codes
N25RF Cessna
340
Fixed-wing, multi-engine Mlf Aviation LLC
Douglasville, Georgia
Standard 2023-05-17 ValidFAA registration status code V: Valid registration. All codes
N518PC Cessna
340A
Fixed-wing, multi-engine Jnc Holdings LLC
Mequon, Wisconsin
Standard 2023-05-16 ValidFAA registration status code V: Valid registration. All codes
N683TM Cessna
414A
Fixed-wing, multi-engine 007 Arkansas Aviation LLC
Jonesboro, Arkansas
Standard 2023-05-16 ValidFAA registration status code V: Valid registration. All codes
N9219T Piper
PA-46-310P
Fixed-wing, single engine 19Tango LLC
Newport Beach, California
Standard 2023-05-16 ValidFAA registration status code V: Valid registration. All codes
N5464V Cessna
T210L
Fixed-wing, single engine Individual owner
Arizona
Standard 2023-05-13 ValidFAA registration status code V: Valid registration. All codes
N6584N Cessna
T210N
Fixed-wing, single engine Individual owner
South Dakota
Standard 2023-05-13 ValidFAA registration status code V: Valid registration. All codes
N67664 Cessna
340A
Fixed-wing, multi-engine Co-owned owner
Oregon
Standard 2023-05-13 ValidFAA registration status code V: Valid registration. All codes
N6823D Cessna
340A
Fixed-wing, multi-engine S A Fliers LLC
Venice, Florida
Standard 2023-05-13 ValidFAA registration status code V: Valid registration. All codes
N732ZC Cessna
T210M
Fixed-wing, single engine Individual owner
California
Standard 2023-05-13 ValidFAA registration status code V: Valid registration. All codes
N10DC Cessna
TU206G
Fixed-wing, single engine Hbk LLC
Lynden, Washington
Standard 2023-05-12 ValidFAA registration status code V: Valid registration. All codes
N340AG Cessna
340
Fixed-wing, multi-engine Individual owner
Arkansas
Standard 2023-05-12 ValidFAA registration status code V: Valid registration. All codes
N638P Beech
A36TC
Fixed-wing, single engine Individual owner
Texas
Standard 2023-05-12 ValidFAA registration status code V: Valid registration. All codes
N466P Cessna
T310R
Fixed-wing, multi-engine Jv Aviation LLC
Johnston, Rhode Island
Standard 2023-05-11 ValidFAA registration status code V: Valid registration. All codes
N1183Q Cessna
T210L
Fixed-wing, single engine Individual owner
California
Standard 2023-05-10 ValidFAA registration status code V: Valid registration. All codes
N310BL Cessna
T310Q
Fixed-wing, multi-engine Individual owner
North Dakota
Standard 2023-05-10 ValidFAA registration status code V: Valid registration. All codes
N68BM Cessna
T210M
Fixed-wing, single engine Co-owned owner
Nevada
Standard 2023-05-09 ValidFAA registration status code V: Valid registration. All codes
N34549 Beech
58TC
Fixed-wing, multi-engine Octans Aviation CO
Watertown, South Dakota
Standard 2023-05-08 ValidFAA registration status code V: Valid registration. All codes
N34TL Cessna
340A
Fixed-wing, multi-engine Ameagle Aviation LLC
Coventry, Connecticut
Standard 2023-05-08 ValidFAA registration status code V: Valid registration. All codes
N3810C Beech
58P
Fixed-wing, multi-engine Individual owner
Florida
Standard 2023-05-08 ValidFAA registration status code V: Valid registration. All codes
N87RD Piper
PA-46-310P
Fixed-wing, single engine Dougs Glass Shop INC
Bridgewater, Connecticut
Standard 2023-05-08 ValidFAA registration status code V: Valid registration. All codes
N761CT Cessna
T210M
Fixed-wing, single engine Co-owned owner
California
Standard 2023-05-06 ValidFAA registration status code V: Valid registration. All codes
N9415C Cessna
T303
Fixed-wing, multi-engine Southwest Plane Holdings LLC
Kalispell, Montana
Standard 2023-05-06 ValidFAA registration status code V: Valid registration. All codes
N6506Z Cessna
TU206G
Fixed-wing, single engine Af Auto Group
San Jose, California
Standard 2023-05-05 ValidFAA registration status code V: Valid registration. All codes
N7969Q Cessna
401B
Fixed-wing, multi-engine Individual owner
Tennessee
Standard 2023-05-03 ValidFAA registration status code V: Valid registration. All codes
N8151Q Cessna
414
Fixed-wing, multi-engine Individual owner
Colorado
Standard 2023-05-03 ValidFAA registration status code V: Valid registration. All codes
N115EA Cessna
340A
Fixed-wing, multi-engine Tso Aviation LLC
Conway, Arkansas
Standard 2023-05-01 ValidFAA registration status code V: Valid registration. All codes
N15JU Beech
58P
Fixed-wing, multi-engine C&D Aviation LLC
Appleton, Wisconsin
Standard 2023-05-01 ValidFAA registration status code V: Valid registration. All codes
N414HK Cessna
414A
Fixed-wing, multi-engine Bdi Air INC
Bakersfield, California
Standard 2023-05-01 ValidFAA registration status code V: Valid registration. All codes
N4746U Cessna
TU206G
Fixed-wing, single engine 4746U LLC
Sherman Oaks, California
Standard 2023-05-01 ValidFAA registration status code V: Valid registration. All codes
N414CR Cessna
414
Fixed-wing, multi-engine Aga Aviation LLC
Woodruff, South Carolina
Standard 2023-04-29 ValidFAA registration status code V: Valid registration. All codes
N6168N Cessna
T210M
Fixed-wing, single engine
Standard 2023-04-28 ValidFAA registration status code V: Valid registration. All codes
N1136V Raytheon Aircraft Company
B36TC
Fixed-wing, single engine N1136V LLC
Sheridan, Wyoming
Standard 2023-04-25 ValidFAA registration status code V: Valid registration. All codes
N17ES Beech
58P
Fixed-wing, multi-engine Crimson Aviation LLC
New York, New York
Standard 2023-04-19 ValidFAA registration status code V: Valid registration. All codes
N3EM Cessna
P210N
Fixed-wing, single engine 3Em LLC
Karnack, Texas
Standard 2023-04-19 ValidFAA registration status code V: Valid registration. All codes
N6013B Cessna
T210M
Fixed-wing, single engine Individual owner
Wyoming
Standard 2023-04-18 ValidFAA registration status code V: Valid registration. All codes
N732WP Cessna
T210M
Fixed-wing, single engine Sky Wings Aviation LLC
Cedar Rapids, Iowa
Standard 2023-04-18 ValidFAA registration status code V: Valid registration. All codes
N928RS Beech
58P
Fixed-wing, multi-engine Ezskies Air Service LLC
Hayden, Idaho
Standard 2023-04-18 ValidFAA registration status code V: Valid registration. All codes
N1978F Cessna
P210N
Fixed-wing, single engine Lofty Pursuits LLC
Sacramento, California
Standard 2023-04-14 ValidFAA registration status code V: Valid registration. All codes
N339DG Cessna
P210N
Fixed-wing, single engine Withheld at owner's request
Standard 2023-04-14 ValidFAA registration status code V: Valid registration. All codes
N28LV Cessna
340A
Fixed-wing, multi-engine Cactus Clover INC
El Paso, Texas
Standard 2023-04-12 ValidFAA registration status code V: Valid registration. All codes
N541CM Cessna
340
Fixed-wing, multi-engine Aero Parts LLC
Roselle, Illinois
Standard 2023-04-12 ValidFAA registration status code V: Valid registration. All codes
N9RY Cessna
340A
Fixed-wing, multi-engine Dpr Capital LLC
Farmington, Utah
Standard 2023-04-12 ValidFAA registration status code V: Valid registration. All codes
N210TS Cessna
P210N
Fixed-wing, single engine Geary INC
Westcliffe, Colorado
Standard 2023-04-11 ValidFAA registration status code V: Valid registration. All codes
N247M Meyers Industries Inc
200C
Fixed-wing, single engine Fsvc Aero INC
Wilmington, Delaware
Standard 2023-04-11 ValidFAA registration status code V: Valid registration. All codes
N5111J Cessna
T310R
Fixed-wing, multi-engine Valiair LTD CO Trustee
Casper, Wyoming
Standard 2023-04-11 ValidFAA registration status code V: Valid registration. All codes
N5425A Cessna
T210N
Fixed-wing, single engine Valiair LTD CO Trustee
Casper, Wyoming
Standard 2023-04-11 ValidFAA registration status code V: Valid registration. All codes
N997JD Cessna
414A
Fixed-wing, multi-engine Aviation.One Business Holdings LLC
Mesa, Arizona
Standard 2023-04-11 ValidFAA registration status code V: Valid registration. All codes
N831GE Beech
58P
Fixed-wing, multi-engine Ts&L Aircraft LLC
Alexandria, Minnesota
Standard 2023-04-10 ValidFAA registration status code V: Valid registration. All codes
N98554 Cessna
340A
Fixed-wing, multi-engine Hawke Air CORP
Helena, Montana
Standard 2023-04-10 ValidFAA registration status code V: Valid registration. All codes
N5160J Cessna
340
Fixed-wing, multi-engine Individual owner
Michigan
Standard 2023-04-08 ValidFAA registration status code V: Valid registration. All codes
N761RC Cessna
T210M
Fixed-wing, single engine Clannalu Air LLC
Midland, Texas
Standard 2023-04-07 ValidFAA registration status code V: Valid registration. All codes
N808LC Beech
58P
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2023-04-06 ValidFAA registration status code V: Valid registration. All codes
N734WG Cessna
P210N
Fixed-wing, single engine Stone Aviation LLC
Traverse City, Michigan
Standard 2023-04-05 ValidFAA registration status code V: Valid registration. All codes
N78UM Beech
58P
Fixed-wing, multi-engine Denver Air Support INC
Englewood, Colorado
Standard 2023-04-05 ValidFAA registration status code V: Valid registration. All codes
N181JR Beech
58P
Fixed-wing, multi-engine Cavu Clearing LLC
Palm Coast, Florida
Standard 2023-04-04 ValidFAA registration status code V: Valid registration. All codes
N5552X Beech
A36
Fixed-wing, single engine Jjs Aero LLC
Middletown, Delaware
Standard 2023-04-03 ValidFAA registration status code V: Valid registration. All codes
N6018S Beech
58P
Fixed-wing, multi-engine Individual owner
Florida
Standard 2023-04-03 ValidFAA registration status code V: Valid registration. All codes
N761HT Cessna
T210M
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2023-04-03 ValidFAA registration status code V: Valid registration. All codes
N789SL Beech
58P
Fixed-wing, multi-engine Individual owner
Texas
Standard 2023-04-03 ValidFAA registration status code V: Valid registration. All codes
N3799P Cessna
P210N
Fixed-wing, single engine Ct Services LLC
Albuquerque, New Mexico
Standard 2023-04-02 ValidFAA registration status code V: Valid registration. All codes
N626HM Cessna
340A
Fixed-wing, multi-engine Rb Aviation LLC
Tyler, Texas
Standard 2023-04-02 ValidFAA registration status code V: Valid registration. All codes
N110CW Beech
58TC
Fixed-wing, multi-engine Mile High 1 LLC
Lakeway, Texas
Standard 2023-04-01 ValidFAA registration status code V: Valid registration. All codes
N22WG Cessna
P210N
Fixed-wing, single engine Corpat INC
Missoula, Montana
Standard 2023-04-01 ValidFAA registration status code V: Valid registration. All codes
N38LP Cessna
414
Fixed-wing, multi-engine N38Lp LLC
Jacksonville, Florida
Standard 2023-04-01 ValidFAA registration status code V: Valid registration. All codes
N18499 Beech
B36TC
Fixed-wing, single engine Austin Aviation LLC
Boise, Idaho
Standard 2023-03-30 ValidFAA registration status code V: Valid registration. All codes
N4720Y Cessna
T210N
Fixed-wing, single engine Kraemair Aviation LLC
Sauk City, Wisconsin
Standard 2023-03-29 ValidFAA registration status code V: Valid registration. All codes
N158KS Beech
58P
Fixed-wing, multi-engine Co-owned owner
Texas
Standard 2023-03-28 ValidFAA registration status code V: Valid registration. All codes
N1908G Cessna
T310R
Fixed-wing, multi-engine Air Z Flying Service INC
Richmond Heights, Ohio
Standard 2023-03-28 ValidFAA registration status code V: Valid registration. All codes
N340HW Cessna
340A
Fixed-wing, multi-engine Co-owned owner
South Carolina
Standard 2023-03-28 ValidFAA registration status code V: Valid registration. All codes
N4380D Piper
PA-46-310P
Fixed-wing, single engine Livengood Leasing CO LLC
Mesa, Arizona
Standard 2023-03-28 ValidFAA registration status code V: Valid registration. All codes
N9894Y Cessna
T210N
Fixed-wing, single engine Individual owner
Iowa
Standard 2023-03-28 ValidFAA registration status code V: Valid registration. All codes
N756YH Cessna
TU206G
Fixed-wing, single engine Groundhog Mining and Milling CO LLC
Dillon, Montana
Standard 2023-03-27 ValidFAA registration status code V: Valid registration. All codes
N761ZE Cessna
T210M
Fixed-wing, single engine Brandvik Pipe & Equipment INC
Borger, Texas
Standard 2023-03-27 ValidFAA registration status code V: Valid registration. All codes
N67586 Beech
B36TC
Fixed-wing, single engine Carwashos LLC
Colorado Springs, Colorado
Standard 2023-03-25 ValidFAA registration status code V: Valid registration. All codes
N414MD Cessna
414A
Fixed-wing, multi-engine Raptor 414 Airmotive LLC
Poplar Grove, Illinois
Standard 2023-03-24 ValidFAA registration status code V: Valid registration. All codes
N27457 Cessna
414A
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2023-03-22 ValidFAA registration status code V: Valid registration. All codes
N404DG Cessna
414A
Fixed-wing, multi-engine Subgup LLC
Naples, Florida
Standard 2023-03-22 ValidFAA registration status code V: Valid registration. All codes
N78NG Cessna
414A
Fixed-wing, multi-engine Ram Aero Development INC
Waco, Texas
Standard 2023-03-22 ValidFAA registration status code V: Valid registration. All codes
N1668T Cessna
414
Fixed-wing, multi-engine Kevu Aviators LLC
Maryville, Missouri
Standard 2023-03-21 ValidFAA registration status code V: Valid registration. All codes
N400AP Cessna
340
Fixed-wing, multi-engine Zoie Air LLC
Fort Lauderdale, Florida
Standard 2023-03-21 ValidFAA registration status code V: Valid registration. All codes
N788M Piper
PA-46-310P
Fixed-wing, single engine Air First LLC
Kalispell, Montana
Standard 2023-03-21 ValidFAA registration status code V: Valid registration. All codes
N2669N Cessna
340A
Fixed-wing, multi-engine Co-owned owner
California
Standard 2023-03-20 ValidFAA registration status code V: Valid registration. All codes
N3CY Cessna
T337G
Fixed-wing, multi-engine Individual owner
Ohio
Standard 2023-03-20 ValidFAA registration status code V: Valid registration. All codes
N3KP Cessna
P210N
Fixed-wing, single engine Allied Asset Management LLC
Oklahoma City, Oklahoma
Standard 2023-03-18 ValidFAA registration status code V: Valid registration. All codes
N47645 Cessna
340A
Fixed-wing, multi-engine Arizona Type Ratings LLC
Sedona, Arizona
Standard 2023-03-18 ValidFAA registration status code V: Valid registration. All codes
N6449H Cessna
T207A
Fixed-wing, single engine N6449H LLC
Pompano Beach, Florida
Standard 2023-03-17 ValidFAA registration status code V: Valid registration. All codes
N8150Q Cessna
414
Fixed-wing, multi-engine Southern Journey LLC
South Padre Island, Texas
Standard 2023-03-17 ValidFAA registration status code V: Valid registration. All codes
N310EM Piper
PA-46-310P
Fixed-wing, single engine Tc Aviation LLC
Atlanta, Georgia
Standard 2023-03-15 ValidFAA registration status code V: Valid registration. All codes
N5516C Cessna
T210N
Fixed-wing, single engine Individual owner
Texas
Standard 2023-03-15 ValidFAA registration status code V: Valid registration. All codes
N2138S Cessna
T210L
Fixed-wing, single engine Individual owner
Georgia
Standard 2023-03-14 ValidFAA registration status code V: Valid registration. All codes
N396B Beech
B36TC
Fixed-wing, single engine Co-owned owner
Montana
Standard 2023-03-14 ValidFAA registration status code V: Valid registration. All codes
N4865P Cessna
P210N
Fixed-wing, single engine Thundersky Farms INC
Helena, Montana
Standard 2023-03-14 ValidFAA registration status code V: Valid registration. All codes
N6151Y Cessna
T210N
Fixed-wing, single engine Individual owner
Utah
Standard 2023-03-13 ValidFAA registration status code V: Valid registration. All codes
N6188Y Cessna
T210N
Fixed-wing, single engine Lexington Enterprises Group INC
San Jose, California
Standard 2023-03-13 ValidFAA registration status code V: Valid registration. All codes
N310BF Cessna
T310R
Fixed-wing, multi-engine Gv Air INC
Medford, Oregon
Standard 2023-03-12 ValidFAA registration status code V: Valid registration. All codes
N175SP Cessna
414A
Fixed-wing, multi-engine N500Aa LLC
Wilmington, Delaware
Standard 2023-03-11 ValidFAA registration status code V: Valid registration. All codes
N444DT Piper
PA-46-310P
Fixed-wing, single engine Individual owner
California
Standard 2023-03-11 ValidFAA registration status code V: Valid registration. All codes
N5484J Cessna
T310R
Fixed-wing, multi-engine Individual owner
Louisiana
Standard 2023-03-11 ValidFAA registration status code V: Valid registration. All codes
N1FH Cessna
180K
Fixed-wing, single engine Individual owner
Vermont
Standard 2023-03-10 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.