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
N2262S Cessna
T210L
Fixed-wing, single engine Individual owner
Missouri
Standard 2000-09-14 ValidFAA registration status code V: Valid registration. All codes
N401TJ Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 2000-09-14 ValidFAA registration status code V: Valid registration. All codes
N6192N Cessna
T210N
Fixed-wing, single engine Individual owner
California
Standard 2000-09-13 ValidFAA registration status code V: Valid registration. All codes
N711TW Cessna
T210M
Fixed-wing, single engine Individual owner
Illinois
Standard 2000-08-16 ValidFAA registration status code V: Valid registration. All codes
N1842S Cessna
414
Fixed-wing, multi-engine Individual owner
Minnesota
Standard 2000-08-09 ValidFAA registration status code V: Valid registration. All codes
N66784 Beech
A36TC
Fixed-wing, single engine Individual owner
Utah
Standard 2000-08-03 ValidFAA registration status code V: Valid registration. All codes
N767RR Cessna
T310Q
Fixed-wing, multi-engine Red Leasing LLC
Juneau, Alaska
Standard 2000-07-11 ValidFAA registration status code V: Valid registration. All codes
N100GK Cessna
T210L
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2000-07-06 ValidFAA registration status code V: Valid registration. All codes
N999AV Cessna
P210N
Fixed-wing, single engine Souza Engineering Contracting INC
San Luis Obispo, California
Standard 2000-06-23 ValidFAA registration status code V: Valid registration. All codes
N99VM Beech
A36TC
Fixed-wing, single engine Daniel M Skotte Do PC
Sunriver, Oregon
Standard 2000-06-21 ValidFAA registration status code V: Valid registration. All codes
N761HV Cessna
T210M
Fixed-wing, single engine Resultant Aviation LLC
Orlando, Florida
Standard 2000-06-13 ValidFAA registration status code V: Valid registration. All codes
N1676X Cessna
T210L
Fixed-wing, single engine Skydancer le LLC
Wilmington, Delaware
Standard 2000-05-18 ValidFAA registration status code V: Valid registration. All codes
N1807F Beech
A36TC
Fixed-wing, single engine Turboflyers INC
Leesburg, Virginia
Standard 2000-05-09 ValidFAA registration status code V: Valid registration. All codes
N3862R Beech
A36TC
Fixed-wing, single engine Toco INC
Healdsburg, California
Standard 2000-05-05 ValidFAA registration status code V: Valid registration. All codes
N340VL Cessna
340A
Fixed-wing, multi-engine Vanguard R&R Lease CO INC
Dallas, Texas
Standard 2000-05-04 ValidFAA registration status code V: Valid registration. All codes
N94202 Cessna
T210L
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2000-04-19 ValidFAA registration status code V: Valid registration. All codes
N6591N Cessna
T210N
Fixed-wing, single engine Individual owner
California
Standard 2000-03-30 ValidFAA registration status code V: Valid registration. All codes
N523RC Cessna
T210L
Fixed-wing, single engine S W Air Travel INC
Parshall, Colorado
Standard 2000-03-28 ValidFAA registration status code V: Valid registration. All codes
N210KD Cessna
T210N
Fixed-wing, single engine Contemporary Image Labeling INC
Lebanon, Ohio
Standard 2000-02-11 ValidFAA registration status code V: Valid registration. All codes
N106CA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 2000-02-02 ValidFAA registration status code V: Valid registration. All codes
N117HL Cessna
T210M
Fixed-wing, single engine Individual owner
Washington
Standard 2000-01-21 ValidFAA registration status code V: Valid registration. All codes
N5426C Cessna
T210N
Fixed-wing, single engine Virginia Air INC
Roanoke, Virginia
Standard 2000-01-18 ValidFAA registration status code V: Valid registration. All codes
N2708S Cessna
335
Fixed-wing, multi-engine Individual owner
Arizona
Standard 1999-12-20 ValidFAA registration status code V: Valid registration. All codes
N407DM Beech
B36TC
Fixed-wing, single engine Phillips Consulting Group INC
Wilmington, Delaware
Standard 1999-12-13 ValidFAA registration status code V: Valid registration. All codes
N69433 Cessna
340
Fixed-wing, multi-engine Rsy CORP
Wilmington, Delaware
Standard 1999-11-30 ValidFAA registration status code V: Valid registration. All codes
N9934X Cessna
T210L
Fixed-wing, single engine Individual owner
Texas
Standard 1999-10-29 ValidFAA registration status code V: Valid registration. All codes
N1835S Beech
B36TC
Fixed-wing, single engine Eagles Flying Club INC
San Francisco, California
Standard 1999-10-26 ValidFAA registration status code V: Valid registration. All codes
N4827U Cessna
TU206G
Fixed-wing, single engine Individual owner
Texas
Standard 1999-10-15 ValidFAA registration status code V: Valid registration. All codes
N6661N Cessna
T210N
Fixed-wing, single engine Individual owner
Texas
Standard 1999-10-08 ValidFAA registration status code V: Valid registration. All codes
N732ZM Cessna
T210M
Fixed-wing, single engine Turbo 210 Air LLC
Galveston, Texas
Standard 1999-10-05 ValidFAA registration status code V: Valid registration. All codes
N4888C Cessna
T210N
Fixed-wing, single engine Goflight INC
Birmingham, Michigan
Standard 1999-09-30 ValidFAA registration status code V: Valid registration. All codes
N46MG Piper
PA-46-310P
Fixed-wing, single engine Individual owner
Washington
Standard 1999-09-24 ValidFAA registration status code V: Valid registration. All codes
N61BW Welch William Ben
LANCAIR IV P
Fixed-wing, single engine Individual owner
Illinois
Experimental 1999-08-23 ValidFAA registration status code V: Valid registration. All codes
N140KB Beech
A36TC
Fixed-wing, single engine Individual owner
Texas
Standard 1999-08-21 ValidFAA registration status code V: Valid registration. All codes
N8352Q Cessna
TU206G
Fixed-wing, single engine United Indian Missions DBA
Tucson, Arizona
Standard 1999-08-21 ValidFAA registration status code V: Valid registration. All codes
N37402 Beech
A36TC
Fixed-wing, single engine Viking Construction INC
Hayden Lake, Idaho
Standard 1999-08-16 ValidFAA registration status code V: Valid registration. All codes
N1123U Cessna
T210N
Fixed-wing, single engine Troy Investment CO 1 L P
Brownsville, Texas
Standard 1999-08-06 ValidFAA registration status code V: Valid registration. All codes
N96PT Beech
58P
Fixed-wing, multi-engine Individual owner
Texas
Standard 1999-07-27 ValidFAA registration status code V: Valid registration. All codes
N93295 Cessna
T210L
Fixed-wing, single engine Individual owner
Texas
Standard 1999-06-29 ValidFAA registration status code V: Valid registration. All codes
N207DG Cessna
T207
Fixed-wing, single engine Rwr Air INC
Tok, Alaska
Multiple 1999-06-28 ValidFAA registration status code V: Valid registration. All codes
N6440B Cessna
T210M
Fixed-wing, single engine Wolfe Transportation INC
Meridian, Idaho
Standard 1999-06-24 ValidFAA registration status code V: Valid registration. All codes
N93836 Cessna
T210L
Fixed-wing, single engine Individual owner
Alabama
Standard 1999-06-17 ValidFAA registration status code V: Valid registration. All codes
N9426K Cessna
T210L
Fixed-wing, single engine O Max Aviation
Willowbrook, Illinois
Standard 1999-06-02 ValidFAA registration status code V: Valid registration. All codes
N936JB Cessna
340A
Fixed-wing, multi-engine Hunt Air LLC
Anderson, South Carolina
Standard 1999-06-01 ValidFAA registration status code V: Valid registration. All codes
N8823H Cessna
T210K
Fixed-wing, single engine Individual owner
North Carolina
Standard 1999-05-15 ValidFAA registration status code V: Valid registration. All codes
N1681U Cessna
T210N
Fixed-wing, single engine Co-owned owner
Wisconsin
Standard 1999-04-22 ValidFAA registration status code V: Valid registration. All codes
N321LG Cessna
T210M
Fixed-wing, single engine Laughing Gull Aviation INC
Fort Lauderdale, Florida
Standard 1999-04-22 ValidFAA registration status code V: Valid registration. All codes
N843YT Cessna
T210N
Fixed-wing, single engine True Drilling LLC
Casper, Wyoming
Standard 1999-04-21 ValidFAA registration status code V: Valid registration. All codes
N4858P Cessna
P210N
Fixed-wing, single engine Great Plains Spraying INC
Colby, Kansas
Standard 1999-04-15 ValidFAA registration status code V: Valid registration. All codes
N5287A Cessna
T210N
Fixed-wing, single engine Tax Busters INC
El Paso, Texas
Standard 1999-03-27 ValidFAA registration status code V: Valid registration. All codes
N2092S Cessna
T210L
Fixed-wing, single engine Midwest Airmotive INC
Mount Sterling, Kentucky
Standard 1999-03-10 ValidFAA registration status code V: Valid registration. All codes
N79CH Cessna
T210M
Fixed-wing, single engine Individual owner
New Mexico
Standard 1999-03-09 ValidFAA registration status code V: Valid registration. All codes
N176MM Cessna
T310R
Fixed-wing, multi-engine Rair Air INC
Stateline, Nevada
Standard 1999-03-04 ValidFAA registration status code V: Valid registration. All codes
N7359C Cessna
TU206G
Fixed-wing, single engine Individual owner
California
Standard 1999-03-01 ValidFAA registration status code V: Valid registration. All codes
N764EA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 1999-02-17 ValidFAA registration status code V: Valid registration. All codes
N771EA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 1999-02-17 ValidFAA registration status code V: Valid registration. All codes
N514NC Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 1999-02-08 ValidFAA registration status code V: Valid registration. All codes
N763EA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 1999-01-29 ValidFAA registration status code V: Valid registration. All codes
N769EA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 1999-01-29 ValidFAA registration status code V: Valid registration. All codes
N335TJ Cessna
335
Fixed-wing, multi-engine Individual owner
Virginia
Standard 1999-01-25 ValidFAA registration status code V: Valid registration. All codes
N1894E Cessna
340A
Fixed-wing, multi-engine Delvest LLC
Grosse Pointe, Michigan
Standard 1999-01-22 ValidFAA registration status code V: Valid registration. All codes
N2235S Cessna
T210L
Fixed-wing, single engine N2235S LLC
Overland Park, Kansas
Standard 1999-01-04 ValidFAA registration status code V: Valid registration. All codes
N389CS Mooney Aircraft Corp.
M20K
Fixed-wing, single engine Individual owner
Connecticut
Standard 1998-12-04 ValidFAA registration status code V: Valid registration. All codes
N6879R Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 1998-11-20 ValidFAA registration status code V: Valid registration. All codes
N9549G Cessna
TU206F
Fixed-wing, single engine Individual owner
California
Standard 1998-11-19 ValidFAA registration status code V: Valid registration. All codes
N1781E Cessna
T310R
Fixed-wing, multi-engine Co-owned owner
Oklahoma
Standard 1998-09-29 ValidFAA registration status code V: Valid registration. All codes
N6492Y Cessna
T210N
Fixed-wing, single engine Co-owned owner
Pennsylvania
Standard 1998-08-28 ValidFAA registration status code V: Valid registration. All codes
N3690D Beech
58P
Fixed-wing, multi-engine R B M Corporation
Cropwell, Alabama
Standard 1998-08-27 ValidFAA registration status code V: Valid registration. All codes
N6006N Cessna
T210M
Fixed-wing, single engine Individual owner
Texas
Standard 1998-08-25 ValidFAA registration status code V: Valid registration. All codes
N536JS Beech
B36TC
Fixed-wing, single engine Individual owner
Colorado
Standard 1998-08-19 ValidFAA registration status code V: Valid registration. All codes
N46PA Piper
PA-46-310P
Fixed-wing, single engine Individual owner
Washington
Standard 1998-08-18 ValidFAA registration status code V: Valid registration. All codes
N994NZ Cessna
T210M
Fixed-wing, single engine Individual owner
Colorado
Standard 1998-07-30 ValidFAA registration status code V: Valid registration. All codes
N406GA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 1998-07-27 ValidFAA registration status code V: Valid registration. All codes
N6875D Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 1998-07-27 ValidFAA registration status code V: Valid registration. All codes
N37PB Cessna
T210L
Fixed-wing, single engine 37Pb INC
Seattle, Washington
Standard 1998-07-24 ValidFAA registration status code V: Valid registration. All codes
N185MT Cessna
A185F
Fixed-wing, single engine Co-owned owner
Washington
Multiple 1998-06-30 ValidFAA registration status code V: Valid registration. All codes
N320TJ Cessna
320B
Fixed-wing, multi-engine Individual owner
Florida
Standard 1998-06-11 ValidFAA registration status code V: Valid registration. All codes
N548GA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 1998-05-29 ValidFAA registration status code V: Valid registration. All codes
N6748C Beech
A36TC
Fixed-wing, single engine San Andres Farms
Raymondville, Texas
Standard 1998-05-28 ValidFAA registration status code V: Valid registration. All codes
N1657X Cessna
T210L
Fixed-wing, single engine Individual owner
Utah
Standard 1998-05-19 ValidFAA registration status code V: Valid registration. All codes
N618CA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 1998-05-18 ValidFAA registration status code V: Valid registration. All codes
N2559J Cessna
T188C
Fixed-wing, single engine Individual owner
Michigan
Restricted 1998-04-14 ValidFAA registration status code V: Valid registration. All codes
N372FC Cessna
T310Q
Fixed-wing, multi-engine Co-owned owner
Nebraska
Standard 1998-04-14 ValidFAA registration status code V: Valid registration. All codes
N5522C Cessna
T210R
Fixed-wing, single engine Individual owner
Minnesota
Standard 1998-04-14 ValidFAA registration status code V: Valid registration. All codes
N54AK Cessna
T210N
Fixed-wing, single engine Great Planes Reproductive Centers Pa
Circle Pines, Minnesota
Standard 1998-03-16 ValidFAA registration status code V: Valid registration. All codes
N111BX Cessna
414
Fixed-wing, multi-engine Individual owner
New Hampshire
Standard 1998-03-05 ValidFAA registration status code V: Valid registration. All codes
N115BH Cessna
340A
Fixed-wing, multi-engine Bighorn Airways INC
Sheridan, Wyoming
Standard 1997-12-15 ValidFAA registration status code V: Valid registration. All codes
N26514 Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 1997-12-11 ValidFAA registration status code V: Valid registration. All codes
N761LM Cessna
T210M
Fixed-wing, single engine Individual owner
New York
Standard 1997-12-10 ValidFAA registration status code V: Valid registration. All codes
N210FM Cessna
P210N
Fixed-wing, single engine Aero M INC
Key West, Florida
Standard 1997-12-04 ValidFAA registration status code V: Valid registration. All codes
N6476Z Beech
B36TC
Fixed-wing, single engine Individual owner
Florida
Standard 1997-11-28 ValidFAA registration status code V: Valid registration. All codes
N87356 Cessna
T310R
Fixed-wing, multi-engine Co-owned owner
Florida
Standard 1997-10-09 ValidFAA registration status code V: Valid registration. All codes
N310BA Cessna
T310R
Fixed-wing, multi-engine Individual owner
Georgia
Standard 1997-08-13 ValidFAA registration status code V: Valid registration. All codes
N9309Y Cessna
T210N
Fixed-wing, single engine Co-owned owner
California
Standard 1997-08-13 ValidFAA registration status code V: Valid registration. All codes
N178RD Cessna
T210N
Fixed-wing, single engine Helicopter Consultants INC
Union, Washington
Standard 1997-08-12 ValidFAA registration status code V: Valid registration. All codes
N214M Cessna
P210R
Fixed-wing, single engine Individual owner
California
Standard 1997-08-01 ValidFAA registration status code V: Valid registration. All codes
N696DT Cessna
414
Fixed-wing, multi-engine Individual owner
California
Standard 1997-06-25 ValidFAA registration status code V: Valid registration. All codes
N5417Y Cessna
T210N
Fixed-wing, single engine Individual owner
Indiana
Standard 1997-06-17 ValidFAA registration status code V: Valid registration. All codes
N6328C Cessna
T210N
Fixed-wing, single engine Arnold Aviation & Thunder Mountain Express INC
Cascade, Idaho
Standard 1997-05-21 ValidFAA registration status code V: Valid registration. All codes
N340KY Cessna
340A
Fixed-wing, multi-engine E Lite Aviation INC
Cordova, Tennessee
Standard 1997-05-15 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.