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
N196CA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2015-02-04 ValidFAA registration status code V: Valid registration. All codes
N205CA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2015-02-04 ValidFAA registration status code V: Valid registration. All codes
N829BA Cessna
P210N
Fixed-wing, single engine Adaptive Resources INC
Fort Morgan, Colorado
Standard 2015-02-02 ValidFAA registration status code V: Valid registration. All codes
N4MC Beech
58P
Fixed-wing, multi-engine Individual owner
Kansas
Standard 2015-01-30 ValidFAA registration status code V: Valid registration. All codes
N111SH Cessna
T210L
Fixed-wing, single engine Individual owner
Texas
Standard 2015-01-28 ValidFAA registration status code V: Valid registration. All codes
N267CA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2015-01-28 ValidFAA registration status code V: Valid registration. All codes
N5328J Cessna
340A
Fixed-wing, multi-engine Kahler Automation CORP
Fairmont, Minnesota
Standard 2015-01-23 ValidFAA registration status code V: Valid registration. All codes
N414T Cessna
414
Fixed-wing, multi-engine Millstreet Software INC
Pompano Beach, Florida
Standard 2015-01-16 ValidFAA registration status code V: Valid registration. All codes
N4945M Beech
58P
Fixed-wing, multi-engine Midland College
Midland, Texas
Standard 2015-01-12 ValidFAA registration status code V: Valid registration. All codes
N887W Cessna
T210L
Fixed-wing, single engine Quad City Area Flying Eagles INC
Milan, Illinois
Standard 2015-01-08 ValidFAA registration status code V: Valid registration. All codes
N903CA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2015-01-06 ValidFAA registration status code V: Valid registration. All codes
N746ZX Cessna
T210N
Fixed-wing, single engine Individual owner
Illinois
Standard 2014-12-31 ValidFAA registration status code V: Valid registration. All codes
N960DF Cessna
414A
Fixed-wing, multi-engine Air Services International Leasing LLC
Fort Lauderdale, Florida
Standard 2014-12-16 ValidFAA registration status code V: Valid registration. All codes
N6028N Cessna
T210M
Fixed-wing, single engine Bernhard Mark J
Alamo, California
Standard 2014-12-15 ValidFAA registration status code V: Valid registration. All codes
N6507V Beech
B36TC
Fixed-wing, single engine Individual owner
Arizona
Standard 2014-12-09 ValidFAA registration status code V: Valid registration. All codes
N97AH Beech
A36TC
Fixed-wing, single engine Kw Air LLC
Fallbrook, California
Standard 2014-12-09 ValidFAA registration status code V: Valid registration. All codes
N171DF Beech
58P
Fixed-wing, multi-engine Dkg Motorized Conveyances INC
Beaverton, Oregon
Standard 2014-12-04 ValidFAA registration status code V: Valid registration. All codes
N1830Z Beech
58P
Fixed-wing, multi-engine Jaju Aviation INC
Abilene, Texas
Standard 2014-12-03 ValidFAA registration status code V: Valid registration. All codes
N50HG Beech
58P
Fixed-wing, multi-engine Individual owner
California
Standard 2014-12-01 ValidFAA registration status code V: Valid registration. All codes
N57PB Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2014-11-24 ValidFAA registration status code V: Valid registration. All codes
N404NS Cessna
402C
Fixed-wing, multi-engine J + D Aviation Services LLC
Centerville, Massachusetts
Standard 2014-11-20 ValidFAA registration status code V: Valid registration. All codes
N890CA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2014-11-18 ValidFAA registration status code V: Valid registration. All codes
N210RB Cessna
T210N
Fixed-wing, single engine Library Interiors of Florida INC
Auburndale, Florida
Standard 2014-11-14 ValidFAA registration status code V: Valid registration. All codes
N543BC Cessna
414
Fixed-wing, multi-engine Individual owner
Idaho
Standard 2014-11-14 ValidFAA registration status code V: Valid registration. All codes
N2076S Cessna
T210L
Fixed-wing, single engine Warden Air LLC
Warden, Washington
Standard 2014-11-13 ValidFAA registration status code V: Valid registration. All codes
N678CT Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2014-11-06 ValidFAA registration status code V: Valid registration. All codes
N218CC Cessna
T210N
Fixed-wing, single engine Sotally Tober LLC
Wilmington, Delaware
Standard 2014-10-30 ValidFAA registration status code V: Valid registration. All codes
N5337C Cessna
T310R
Fixed-wing, multi-engine Marc INC
Bolton, Mississippi
Standard 2014-10-30 ValidFAA registration status code V: Valid registration. All codes
N888MT Cessna
340A
Fixed-wing, multi-engine Co-owned owner
California
Standard 2014-10-30 ValidFAA registration status code V: Valid registration. All codes
N2673D Cessna
340A
Fixed-wing, multi-engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2014-10-27 ValidFAA registration status code V: Valid registration. All codes
N306PM Cessna
414A
Fixed-wing, multi-engine Bc 414 LLC
Vineyard Haven, Massachusetts
Standard 2014-10-23 ValidFAA registration status code V: Valid registration. All codes
N377CF Cessna
T207
Fixed-wing, single engine Individual owner
New York
Standard 2014-10-23 ValidFAA registration status code V: Valid registration. All codes
N732AQ Cessna
T210L
Fixed-wing, single engine Gold Star Air
Portland, Maine
Standard 2014-10-21 ValidFAA registration status code V: Valid registration. All codes
N94RW Cessna
414A
Fixed-wing, multi-engine Individual owner
Illinois
Standard 2014-10-21 ValidFAA registration status code V: Valid registration. All codes
N146Z Beech
58P
Fixed-wing, multi-engine Utah State University
Logan, Utah
Standard 2014-10-15 ValidFAA registration status code V: Valid registration. All codes
N731MQ Cessna
P210N
Fixed-wing, single engine Classic Management CORP
Marion, Indiana
Standard 2014-10-15 ValidFAA registration status code V: Valid registration. All codes
N831JB Beech
58P
Fixed-wing, multi-engine Djd Properties LLC
Victoria, Texas
Standard 2014-10-10 ValidFAA registration status code V: Valid registration. All codes
N346E Beech
B36TC
Fixed-wing, single engine North Coast Aeronautical LLC
Cleveland, Ohio
Standard 2014-10-09 ValidFAA registration status code V: Valid registration. All codes
N59173 Cessna
T210L
Fixed-wing, single engine Individual owner
Nevada
Standard 2014-10-09 ValidFAA registration status code V: Valid registration. All codes
N999BF Beech
A36TC
Fixed-wing, single engine Rigel Aviation INC
Jefferson Hills, Pennsylvania
Standard 2014-10-08 ValidFAA registration status code V: Valid registration. All codes
N8671K Cessna
340A
Fixed-wing, multi-engine Flight Unlimited LLC
Dover, Delaware
Standard 2014-10-03 ValidFAA registration status code V: Valid registration. All codes
N7204E Beech
58P
Fixed-wing, multi-engine Overit Air LLC
Las Vegas, Nevada
Standard 2014-09-25 ValidFAA registration status code V: Valid registration. All codes
N830BJ Cessna
340A
Fixed-wing, multi-engine Elm III Operating Company LLC
Edmond, Oklahoma
Standard 2014-09-25 ValidFAA registration status code V: Valid registration. All codes
N4765G Cessna
414
Fixed-wing, multi-engine Aircraft Charter and Leasing LLC
El Cerrito, California
Standard 2014-09-23 ValidFAA registration status code V: Valid registration. All codes
N210MF Cessna
P210N
Fixed-wing, single engine Individual owner
Colorado
Standard 2014-09-18 ValidFAA registration status code V: Valid registration. All codes
N568TW Cessna
340A
Fixed-wing, multi-engine Individual owner
Georgia
Standard 2014-09-18 ValidFAA registration status code V: Valid registration. All codes
N4695A Cessna
P210N
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2014-09-16 ValidFAA registration status code V: Valid registration. All codes
N4720C Cessna
T210N
Fixed-wing, single engine Co-owned owner
Oregon
Standard 2014-09-12 ValidFAA registration status code V: Valid registration. All codes
N910M Cessna
T310R
Fixed-wing, multi-engine Fly By Night Aviation LLC
San Francisco, California
Standard 2014-09-12 ValidFAA registration status code V: Valid registration. All codes
N303CG Cessna
T303
Fixed-wing, multi-engine Individual owner
Delaware
Standard 2014-09-10 ValidFAA registration status code V: Valid registration. All codes
N3235T Beech
B36TC
Fixed-wing, single engine Individual owner
Oregon
Standard 2014-09-08 ValidFAA registration status code V: Valid registration. All codes
N427DW Beech
58TC
Fixed-wing, multi-engine Flyin Phar LLC
Salt Lake City, Utah
Standard 2014-09-08 ValidFAA registration status code V: Valid registration. All codes
N6456U Cessna
T210R
Fixed-wing, single engine N909Dw LLC
Helena, Montana
Standard 2014-09-04 ValidFAA registration status code V: Valid registration. All codes
N4726Y Cessna
T210N
Fixed-wing, single engine Individual owner
Idaho
Standard 2014-08-27 ValidFAA registration status code V: Valid registration. All codes
N192CM Cessna
TU206G
Fixed-wing, single engine Co-owned owner
Washington
Standard 2014-08-26 ValidFAA registration status code V: Valid registration. All codes
N61275 Cessna
T210L
Fixed-wing, single engine K & K Adventures INC
Wilmington, Delaware
Standard 2014-08-26 ValidFAA registration status code V: Valid registration. All codes
N761CL Cessna
T210M
Fixed-wing, single engine Individual owner
Washington
Standard 2014-08-20 ValidFAA registration status code V: Valid registration. All codes
N59294 Cessna
TU206F
Fixed-wing, single engine Cornucopia Investment Group LLC
South Jordan, Utah
Standard 2014-08-11 ValidFAA registration status code V: Valid registration. All codes
N732YD Cessna
T210M
Fixed-wing, single engine Private Air LLC
Santa Rosa, California
Standard 2014-08-11 ValidFAA registration status code V: Valid registration. All codes
N5264J Cessna
414
Fixed-wing, multi-engine Co-owned owner
Texas
Standard 2014-08-05 ValidFAA registration status code V: Valid registration. All codes
N2720A Beech
58TC
Fixed-wing, multi-engine Baron N2720A LLC
Faulkton, South Dakota
Standard 2014-08-04 ValidFAA registration status code V: Valid registration. All codes
N6239Y Cessna
T210N
Fixed-wing, single engine Blue Horizon Aviation LLC
New Concord, Ohio
Standard 2014-08-04 ValidFAA registration status code V: Valid registration. All codes
N91025 Cessna
T207
Fixed-wing, single engine Arctic Aviation Leasing LLC
Anchorage, Alaska
Standard 2014-08-01 ValidFAA registration status code V: Valid registration. All codes
N930DB Beech
A36TC
Fixed-wing, single engine Individual owner
Texas
Standard 2014-07-31 ValidFAA registration status code V: Valid registration. All codes
N456WP Cessna
340A
Fixed-wing, multi-engine Matagorda Production CO
Westhoff, Texas
Standard 2014-07-28 ValidFAA registration status code V: Valid registration. All codes
N9TF Ryan
NAVION A
Fixed-wing, single engine Individual owner
Maine
Standard 2014-07-22 ValidFAA registration status code V: Valid registration. All codes
N411JG Beech
B36TC
Fixed-wing, single engine Kern County Aviation Leasing LLC
Bakersfield, California
Standard 2014-07-15 ValidFAA registration status code V: Valid registration. All codes
N5549A Cessna
T210N
Fixed-wing, single engine Geoterra INC
Eugene, Oregon
Standard 2014-07-07 ValidFAA registration status code V: Valid registration. All codes
N3885G Cessna
340A
Fixed-wing, multi-engine Richland Aviation INC
Sidney, Montana
Standard 2014-06-27 ValidFAA registration status code V: Valid registration. All codes
N414SR Cessna
414
Fixed-wing, multi-engine 414Sr LLC
Missoula, Montana
Standard 2014-06-26 ValidFAA registration status code V: Valid registration. All codes
N8386M Cessna
TU206G
Fixed-wing, single engine 213Tz LLC
Hailey, Idaho
Standard 2014-06-26 ValidFAA registration status code V: Valid registration. All codes
N6688Y Beech
A36TC
Fixed-wing, single engine Co-owned owner
Tennessee
Experimental 2014-06-23 ValidFAA registration status code V: Valid registration. All codes
N761DS Cessna
T210M
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2014-06-20 ValidFAA registration status code V: Valid registration. All codes
N38CM Cessna
340A
Fixed-wing, multi-engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2014-06-04 ValidFAA registration status code V: Valid registration. All codes
N5424A Cessna
T210N
Fixed-wing, single engine Co-owned owner
California
Standard 2014-06-03 ValidFAA registration status code V: Valid registration. All codes
N514LP Cessna
414A
Fixed-wing, multi-engine Invader Aviation LLC
Tijeras, New Mexico
Standard 2014-05-20 ValidFAA registration status code V: Valid registration. All codes
N340LQ Cessna
340A
Fixed-wing, multi-engine Downwind Flight LLC
San Antonio, Texas
Standard 2014-05-19 ValidFAA registration status code V: Valid registration. All codes
N2441S Cessna
T210L
Fixed-wing, single engine Co-owned owner
South Carolina
Standard 2014-05-12 ValidFAA registration status code V: Valid registration. All codes
N1011 Cessna
T210N
Fixed-wing, single engine Individual owner
California
Standard 2014-05-08 ValidFAA registration status code V: Valid registration. All codes
N3840Y Beech
A36TC
Fixed-wing, single engine Burrill Resources INC
Medford, Oregon
Standard 2014-05-02 ValidFAA registration status code V: Valid registration. All codes
N4421R Piper
PA-46-310P
Fixed-wing, single engine J & B Aircraft Leasing LLC
Lufkin, Texas
Standard 2014-05-01 ValidFAA registration status code V: Valid registration. All codes
N6392C Cessna
T210N
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2014-04-25 ValidFAA registration status code V: Valid registration. All codes
N414CE Cessna
414
Fixed-wing, multi-engine Locaero Services INC Trustee
Wilmington, Delaware
Standard 2014-04-24 ValidFAA registration status code V: Valid registration. All codes
N6193Q Cessna
320F
Fixed-wing, multi-engine Redstar Air Shows INC
Discovery Bay, California
Standard 2014-04-22 ValidFAA registration status code V: Valid registration. All codes
N732ZH Cessna
P210N
Fixed-wing, single engine Individual owner
Ohio
Standard 2014-04-22 ValidFAA registration status code V: Valid registration. All codes
N414NH Cessna
414
Fixed-wing, multi-engine Trinity Aviation Group LLC
Fort Smith, Arkansas
Standard 2014-04-16 ValidFAA registration status code V: Valid registration. All codes
N615PJ Cessna
340A
Fixed-wing, multi-engine Co-owned owner
Texas
Standard 2014-04-09 ValidFAA registration status code V: Valid registration. All codes
N9090N Piper
PA-46-310P
Fixed-wing, single engine Pmt Flyers LLC
Amarillo, Texas
Standard 2014-04-09 ValidFAA registration status code V: Valid registration. All codes
N888ED Cessna
421B
Fixed-wing, multi-engine Golden Eagle Express LLC
Dodge City, Kansas
Standard 2014-04-08 ValidFAA registration status code V: Valid registration. All codes
N731RW Cessna
P210N
Fixed-wing, single engine Advanced Products Sales LLC
Tempe, Arizona
Standard 2014-04-04 ValidFAA registration status code V: Valid registration. All codes
N112WW Cessna
T310R
Fixed-wing, multi-engine American Smooth Aviation LLC
Rock Hill, South Carolina
Standard 2014-04-02 ValidFAA registration status code V: Valid registration. All codes
N4773P Cessna
P210N
Fixed-wing, single engine Coeur de Air LLC
Mcminnville, Oregon
Standard 2014-03-28 ValidFAA registration status code V: Valid registration. All codes
N779DB Beech
58P
Fixed-wing, multi-engine Airjohn LLC
Cheyenne, Wyoming
Standard 2014-03-27 ValidFAA registration status code V: Valid registration. All codes
N21KR Cessna
P210N
Fixed-wing, single engine Norcon Enterprises INC
Amarillo, Texas
Standard 2014-03-19 ValidFAA registration status code V: Valid registration. All codes
N340AL Cessna
340A
Fixed-wing, multi-engine Pellair LLC
Bellingham, Washington
Standard 2014-03-18 ValidFAA registration status code V: Valid registration. All codes
N1782U Cessna
T210N
Fixed-wing, single engine Rbr Aircraft INC
Albuquerque, New Mexico
Standard 2014-03-14 ValidFAA registration status code V: Valid registration. All codes
N340EP Cessna
340A
Fixed-wing, multi-engine South Bay Aviation LLC
Virginia Beach, Virginia
Standard 2014-03-14 ValidFAA registration status code V: Valid registration. All codes
N16LT Piper
PA-46-310P
Fixed-wing, single engine Individual owner
Illinois
Standard 2014-03-13 ValidFAA registration status code V: Valid registration. All codes
N542MN Cessna
340A
Fixed-wing, multi-engine Keeler Aviation LLC
Plattsmouth, Nebraska
Standard 2014-03-10 ValidFAA registration status code V: Valid registration. All codes
N7257N Cessna
TU206G
Fixed-wing, single engine Co-owned owner
California
Standard 2014-03-10 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.