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
N9353Y Cessna
T210N
Fixed-wing, single engine Kovax Aviation LLC
Youngstown, Ohio
Standard 2023-08-01 ValidFAA registration status code V: Valid registration. All codes
N305EP Mooney Aircraft Corp.
M20K
Fixed-wing, single engine Individual owner
Texas
Standard 2023-07-28 ValidFAA registration status code V: Valid registration. All codes
N653JR Cessna
340A
Fixed-wing, multi-engine Mosquito Air LLC
Lewes, Delaware
Standard 2023-07-28 ValidFAA registration status code V: Valid registration. All codes
N171TM Cessna
T210N
Fixed-wing, single engine G&L Aviation Services LLC
Las Vegas, Nevada
Standard 2023-07-25 ValidFAA registration status code V: Valid registration. All codes
N3321M Cessna
T310R
Fixed-wing, multi-engine Maxray Aviation LLC
Ashland, Ohio
Standard 2023-07-25 ValidFAA registration status code V: Valid registration. All codes
N401MR Cessna
401
Fixed-wing, multi-engine Ok Av8R LLC
Iowa Park, Texas
Standard 2023-07-25 ValidFAA registration status code V: Valid registration. All codes
N188SR Cessna
340A
Fixed-wing, multi-engine Individual owner
Utah
Standard 2023-07-24 ValidFAA registration status code V: Valid registration. All codes
N206G Cessna
TU206G
Fixed-wing, single engine Smith Air LLC
Cascade, Idaho
Standard 2023-07-24 ValidFAA registration status code V: Valid registration. All codes
N340ES Cessna
340A
Fixed-wing, multi-engine Plane Convenient LLC
Canton, Ohio
Standard 2023-07-24 ValidFAA registration status code V: Valid registration. All codes
N6482Y Cessna
T210N
Fixed-wing, single engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2023-07-24 ValidFAA registration status code V: Valid registration. All codes
N8259A Beech
B36TC
Fixed-wing, single engine Individual owner
New Hampshire
Standard 2023-07-24 ValidFAA registration status code V: Valid registration. All codes
N10PP Piper
PA-46-310P
Fixed-wing, single engine Wendellco LLC
Harlingen, Texas
Standard 2023-07-22 ValidFAA registration status code V: Valid registration. All codes
N7357C Cessna
T210N
Fixed-wing, single engine Individual owner
Nebraska
Standard 2023-07-22 ValidFAA registration status code V: Valid registration. All codes
N11UY Beech
A36TC
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2023-07-21 ValidFAA registration status code V: Valid registration. All codes
N4629K Cessna
P210N
Fixed-wing, single engine Auburn Farms LLC
Auburn, Kansas
Standard 2023-07-21 ValidFAA registration status code V: Valid registration. All codes
N60RS Cessna
P210N
Fixed-wing, single engine Volare Alto LLC
Sanford, North Carolina
Standard 2023-07-21 ValidFAA registration status code V: Valid registration. All codes
N756AV Cessna
TU206G
Fixed-wing, single engine Smith Air LLC
Cascade, Idaho
Standard 2023-07-21 ValidFAA registration status code V: Valid registration. All codes
N8215M Beech
B36TC
Fixed-wing, single engine Jnk Equipment LLC
Deer Harbor, Washington
Standard 2023-07-20 ValidFAA registration status code V: Valid registration. All codes
N206HH Cessna
TU206G
Fixed-wing, single engine Sawtooth Flying Service INC
Mccall, Idaho
Standard 2023-07-19 ValidFAA registration status code V: Valid registration. All codes
N68EA Cessna
P210R
Fixed-wing, single engine Pav East LLC
Camden, Delaware
Standard 2023-07-18 ValidFAA registration status code V: Valid registration. All codes
N8167K Beech
B36TC
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2023-07-18 ValidFAA registration status code V: Valid registration. All codes
N404PJ Cessna
402C
Fixed-wing, multi-engine Private Jet LLC
Miami Springs, Florida
Standard 2023-07-14 ValidFAA registration status code V: Valid registration. All codes
N323DA Cessna
T210N
Fixed-wing, single engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2023-07-12 ValidFAA registration status code V: Valid registration. All codes
N4341N Piper
PA-46-310P
Fixed-wing, single engine Gg and Sg Properties LLC
Seminole, Florida
Standard 2023-07-11 ValidFAA registration status code V: Valid registration. All codes
N210PL Cessna
T210M
Fixed-wing, single engine Mts INC
Middletown, Delaware
Standard 2023-07-10 ValidFAA registration status code V: Valid registration. All codes
N2138C Piper
PA-46-310P
Fixed-wing, single engine Av Holding CO LLC
Polson, Montana
Standard 2023-07-10 ValidFAA registration status code V: Valid registration. All codes
N8756Q Cessna
TU206F
Fixed-wing, single engine Triple 2 LLC
Burlington, Colorado
Standard 2023-07-08 ValidFAA registration status code V: Valid registration. All codes
N211SV Cessna
340A
Fixed-wing, multi-engine Matthews Aviation LLC
Greensboro, North Carolina
Standard 2023-07-07 ValidFAA registration status code V: Valid registration. All codes
N783JR Beech
58P
Fixed-wing, multi-engine 13 Aviation LLC
Chelan, Washington
Standard 2023-07-07 ValidFAA registration status code V: Valid registration. All codes
N5141Q Cessna
T210L
Fixed-wing, single engine Imagination Publications INC DBA
Saratoga, Wyoming
Standard 2023-07-06 ValidFAA registration status code V: Valid registration. All codes
N340GB Cessna
340A
Fixed-wing, multi-engine Mbw Aviation LLC
Bay City, Michigan
Standard 2023-07-01 ValidFAA registration status code V: Valid registration. All codes
N756HU Cessna
TU206G
Fixed-wing, single engine Individual owner
Florida
Standard 2023-07-01 ValidFAA registration status code V: Valid registration. All codes
N60DW Cessna
P210N
Fixed-wing, single engine Co-owned owner
Minnesota
Standard 2023-06-30 ValidFAA registration status code V: Valid registration. All codes
N5ER Cessna
T303
Fixed-wing, multi-engine Mill Direct Textiles LLC
Rollinsford, New Hampshire
Standard 2023-06-29 ValidFAA registration status code V: Valid registration. All codes
N146TA Beech
A36TC
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2023-06-27 ValidFAA registration status code V: Valid registration. All codes
N240SQ Cessna
T310R
Fixed-wing, multi-engine Migster LLC
Miami, Florida
Standard 2023-06-27 ValidFAA registration status code V: Valid registration. All codes
N414FC Cessna
414A
Fixed-wing, multi-engine Taff Logistics LLC
Gilmer, Texas
Standard 2023-06-27 ValidFAA registration status code V: Valid registration. All codes
N616GR Beech
58P
Fixed-wing, multi-engine Old Goat Aviation LLC
Chattanooga, Tennessee
Standard 2023-06-27 ValidFAA registration status code V: Valid registration. All codes
N37EW Cessna
TU206F
Fixed-wing, single engine Individual owner
Iowa
Standard 2023-06-26 ValidFAA registration status code V: Valid registration. All codes
N761BD Cessna
T210M
Fixed-wing, single engine Individual owner
Texas
Standard 2023-06-24 ValidFAA registration status code V: Valid registration. All codes
N146ZF Piper
PA-46-310P
Fixed-wing, single engine No Boundry Airplane LLC
Council Bluffs, Iowa
Standard 2023-06-23 ValidFAA registration status code V: Valid registration. All codes
N65873 Beech
B36TC
Fixed-wing, single engine Individual owner
Arkansas
Standard 2023-06-22 ValidFAA registration status code V: Valid registration. All codes
N77RT Beech
58P
Fixed-wing, multi-engine Individual owner
Texas
Standard 2023-06-22 ValidFAA registration status code V: Valid registration. All codes
N1808Q Beech
A36TC
Fixed-wing, single engine Bearspoint LLC
Edmond, Oklahoma
Standard 2023-06-21 ValidFAA registration status code V: Valid registration. All codes
N6267Y Cessna
T210N
Fixed-wing, single engine Zero Four Twelve LLC
Clovis, New Mexico
Standard 2023-06-21 ValidFAA registration status code V: Valid registration. All codes
N756DQ Cessna
TU206G
Fixed-wing, single engine Co-owned owner
Indiana
Standard 2023-06-21 ValidFAA registration status code V: Valid registration. All codes
N454SP Cessna
414A
Fixed-wing, multi-engine Sps Investment Properties LLC
Macon, Georgia
Standard 2023-06-19 ValidFAA registration status code V: Valid registration. All codes
N34KB Cessna
T210M
Fixed-wing, single engine Co-owned owner
Florida
Standard 2023-06-17 ValidFAA registration status code V: Valid registration. All codes
N382CR Cessna
T303
Fixed-wing, multi-engine Skyport Aviation LLC
Oxford, Michigan
Standard 2023-06-16 ValidFAA registration status code V: Valid registration. All codes
N575SW Cessna
414A
Fixed-wing, multi-engine Individual owner
California
Standard 2023-06-13 ValidFAA registration status code V: Valid registration. All codes
N1216G Cessna
414
Fixed-wing, multi-engine Neel Aviation LLC
Lakeland, Florida
Standard 2023-06-12 ValidFAA registration status code V: Valid registration. All codes
N146MS Piper
PA-46-310P
Fixed-wing, single engine Magnolia Partners Aviation LLC
Lockesburg, Arkansas
Standard 2023-06-09 ValidFAA registration status code V: Valid registration. All codes
N79DR Beech
B36TC
Fixed-wing, single engine Individual owner
New Mexico
Standard 2023-06-09 ValidFAA registration status code V: Valid registration. All codes
N805JC Beech
58P
Fixed-wing, multi-engine Big Sky Baron Lc
Missoula, Montana
Standard 2023-06-09 ValidFAA registration status code V: Valid registration. All codes
N2642A Cessna
T310R
Fixed-wing, multi-engine Cronin LLC
Jacksonville, Florida
Standard 2023-06-08 ValidFAA registration status code V: Valid registration. All codes
N778MM Piper
PA-46-310P
Fixed-wing, single engine Tapley Aviation LLC
Wilmington, Delaware
Standard 2023-06-08 ValidFAA registration status code V: Valid registration. All codes
N2708Y Cessna
335
Fixed-wing, multi-engine Wings Aircraft LLC
New Richmond, Wisconsin
Standard 2023-06-07 ValidFAA registration status code V: Valid registration. All codes
N3236Z Beech
B36TC
Fixed-wing, single engine Juliet Sierra Foxtrot LLC
Denver City, Texas
Standard 2023-06-07 ValidFAA registration status code V: Valid registration. All codes
N36885 Cessna
340A
Fixed-wing, multi-engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2023-06-07 ValidFAA registration status code V: Valid registration. All codes
N3862P Cessna
P210N
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2023-06-07 ValidFAA registration status code V: Valid registration. All codes
N542EM Cessna
P210N
Fixed-wing, single engine Rw Air LLC
Boerne, Texas
Standard 2023-06-07 ValidFAA registration status code V: Valid registration. All codes
N555CP Cessna
340A
Fixed-wing, multi-engine Firebird Air LLC
Katy, Texas
Standard 2023-06-07 ValidFAA registration status code V: Valid registration. All codes
N761BV Cessna
T210M
Fixed-wing, single engine N761Bv LLC
Sioux Falls, South Dakota
Standard 2023-06-07 ValidFAA registration status code V: Valid registration. All codes
N8MX Cessna
T210M
Fixed-wing, single engine Individual owner
Idaho
Standard 2023-06-07 ValidFAA registration status code V: Valid registration. All codes
N15WM Cessna
340A
Fixed-wing, multi-engine Individual owner
California
Standard 2023-06-06 ValidFAA registration status code V: Valid registration. All codes
N6850B Cessna
T210M
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2023-06-06 ValidFAA registration status code V: Valid registration. All codes
N7334P Cessna
P210N
Fixed-wing, single engine Up and Away Aviation LLC
Poughkeepsie, New York
Standard 2023-06-06 ValidFAA registration status code V: Valid registration. All codes
N4140G Cessna
340A
Fixed-wing, multi-engine Caribbean Development Partnership LTD
Wilmington, Delaware
Standard 2023-06-05 ValidFAA registration status code V: Valid registration. All codes
N455SD Beech
58P
Fixed-wing, multi-engine J&L Aviation LLC
Malta, New York
Standard 2023-06-05 ValidFAA registration status code V: Valid registration. All codes
N5598G Beech
B36TC
Fixed-wing, single engine North River Investments INC
Palmetto, Florida
Standard 2023-06-05 ValidFAA registration status code V: Valid registration. All codes
N111PJ Cessna
340A
Fixed-wing, multi-engine G&L Aviation Services LLC
Las Vegas, Nevada
Standard 2023-06-04 ValidFAA registration status code V: Valid registration. All codes
N8263G Cessna
TU206G
Fixed-wing, single engine Individual owner
Idaho
Standard 2023-06-03 ValidFAA registration status code V: Valid registration. All codes
N695T Beech
58TC
Fixed-wing, multi-engine Clay Kennamer Livestock Farms LLC
Hollywood, Alabama
Standard 2023-06-02 ValidFAA registration status code V: Valid registration. All codes
N5293J Cessna
414A
Fixed-wing, multi-engine Westsand Aviation LLC
Allegan, Michigan
Standard 2023-06-01 ValidFAA registration status code V: Valid registration. All codes
N5690C Cessna
414A
Fixed-wing, multi-engine Tailwinds Aircraft Holdings LLC
Harrisburg, Nebraska
Standard 2023-06-01 ValidFAA registration status code V: Valid registration. All codes
N212KT Cessna
TP206B
Fixed-wing, single engine Individual owner
Texas
Restricted 2023-05-31 ValidFAA registration status code V: Valid registration. All codes
N30SS Cessna
414
Fixed-wing, multi-engine N30Ss LLC
Dover, Delaware
Standard 2023-05-31 ValidFAA registration status code V: Valid registration. All codes
N35877 Cessna
TU206F
Fixed-wing, single engine Turbine Conversions LTD
Nunica, Michigan
Standard 2023-05-31 ValidFAA registration status code V: Valid registration. All codes
N10FL Cessna
T210M
Fixed-wing, single engine Co-owned owner
Texas
Standard 2023-05-29 ValidFAA registration status code V: Valid registration. All codes
N121GJ Beech
58P
Fixed-wing, multi-engine 424 Ventures LLC
Saint Petersburg, Florida
Standard 2023-05-27 ValidFAA registration status code V: Valid registration. All codes
N3045Y Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Individual owner
California
Standard 2023-05-27 ValidFAA registration status code V: Valid registration. All codes
N755SW Cessna
T210L
Fixed-wing, single engine Individual owner
Arizona
Standard 2023-05-27 ValidFAA registration status code V: Valid registration. All codes
N155RC Cessna
T210N
Fixed-wing, single engine Clark 155 LLC
Missoula, Montana
Standard 2023-05-26 ValidFAA registration status code V: Valid registration. All codes
N269R Piper
PA-46-310P
Fixed-wing, single engine 219 Air LLC
South Bend, Indiana
Standard 2023-05-25 ValidFAA registration status code V: Valid registration. All codes
N352T Cessna
340
Fixed-wing, multi-engine Impact Aviation LLC
Ballwin, Missouri
Standard 2023-05-24 ValidFAA registration status code V: Valid registration. All codes
N414MM Cessna
414
Fixed-wing, multi-engine Individual owner
Georgia
Standard 2023-05-24 ValidFAA registration status code V: Valid registration. All codes
N4363M Piper
PA-46-310P
Fixed-wing, single engine Ark 84 LLC
Wilmington, Delaware
Standard 2023-05-24 ValidFAA registration status code V: Valid registration. All codes
N4768K Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2023-05-24 ValidFAA registration status code V: Valid registration. All codes
N6828P Cessna
340A
Fixed-wing, multi-engine Snowfox Insurance INC
Pace, Florida
Standard 2023-05-24 ValidFAA registration status code V: Valid registration. All codes
N1564R Beech
B36TC
Fixed-wing, single engine Km Unlimited LLC
Fallbrook, California
Standard 2023-05-23 ValidFAA registration status code V: Valid registration. All codes
N203JL Cessna
414A
Fixed-wing, multi-engine Jfra LLC
Miami, Florida
Standard 2023-05-22 ValidFAA registration status code V: Valid registration. All codes
N413BM Cessna
414A
Fixed-wing, multi-engine Lee Aviation LLC
Sheridan, Arkansas
Standard 2023-05-22 ValidFAA registration status code V: Valid registration. All codes
N812V Cessna
340
Fixed-wing, multi-engine La Plane LLC
Fort Thomas, Arizona
Restricted 2023-05-22 ValidFAA registration status code V: Valid registration. All codes
N8711K Cessna
340A
Fixed-wing, multi-engine Individual owner
Florida
Standard 2023-05-20 ValidFAA registration status code V: Valid registration. All codes
N797RA Cessna
414A
Fixed-wing, multi-engine Cool Air Travel LLC
Macon, Georgia
Standard 2023-05-19 ValidFAA registration status code V: Valid registration. All codes
N4680N Cessna
414A
Fixed-wing, multi-engine Rentz Communications INC
New Smyrna Beach, Florida
Standard 2023-05-18 ValidFAA registration status code V: Valid registration. All codes
N84BT Beech
B36TC
Fixed-wing, single engine Individual owner
California
Standard 2023-05-18 ValidFAA registration status code V: Valid registration. All codes
N91TW Cessna
414A
Fixed-wing, multi-engine Pistol Aviation LLC
Stillwater, Oklahoma
Standard 2023-05-18 ValidFAA registration status code V: Valid registration. All codes
N123TB Cessna
340A
Fixed-wing, multi-engine Tango Bravo LLC
Wilmington, Delaware
Standard 2023-05-17 ValidFAA registration status code V: Valid registration. All codes
N155DV Cessna
TU206F
Fixed-wing, single engine Dunning Vineyards
Haines, Oregon
Standard 2023-05-17 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.