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
N35443 Cessna
T210L
Fixed-wing, single engine
Standard 2023-10-30 ValidFAA registration status code V: Valid registration. All codes
N69472 Cessna
340
Fixed-wing, multi-engine Rer of Little Rock INC
Little Rock, Arkansas
Standard 2023-10-28 ValidFAA registration status code V: Valid registration. All codes
N335SF Cessna
T210M
Fixed-wing, single engine Co-owned owner
California
Standard 2023-10-27 ValidFAA registration status code V: Valid registration. All codes
N5436U Cessna
T210N
Fixed-wing, single engine Individual owner
Georgia
Standard 2023-10-27 ValidFAA registration status code V: Valid registration. All codes
N2307J Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Midwest Kilo Delta LLC
Clara City, Minnesota
Standard 2023-10-25 ValidFAA registration status code V: Valid registration. All codes
N9133G Piper
PA-46-310P
Fixed-wing, single engine Consolidated Consulting INC
Norfolk, Nebraska
Standard 2023-10-25 ValidFAA registration status code V: Valid registration. All codes
N732JW Cessna
T210L
Fixed-wing, single engine Sunniland Ranch Airport LLC
Okeechobee, Florida
Standard 2023-10-20 ValidFAA registration status code V: Valid registration. All codes
N25JG Cessna
P210N
Fixed-wing, single engine Centurion Aircraft Limited
Centennial, Colorado
Standard 2023-10-16 ValidFAA registration status code V: Valid registration. All codes
N212DE Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Individual owner
North Dakota
Standard 2023-10-15 ValidFAA registration status code V: Valid registration. All codes
N340WH Cessna
340
Fixed-wing, multi-engine N340Dg LLC
Spanish Fork, Utah
Standard 2023-10-13 ValidFAA registration status code V: Valid registration. All codes
N6057S Beech
58P
Fixed-wing, multi-engine Individual owner
Texas
Standard 2023-10-11 ValidFAA registration status code V: Valid registration. All codes
N6314D Cessna
T210M
Fixed-wing, single engine Individual owner
Ohio
Standard 2023-10-11 ValidFAA registration status code V: Valid registration. All codes
N5430A Cessna
T210N
Fixed-wing, single engine Adams Hay Farms LLC
Cedar City, Utah
Standard 2023-10-10 ValidFAA registration status code V: Valid registration. All codes
N5765M Cessna
T-310P
Fixed-wing, multi-engine Individual owner
Georgia
Standard 2023-10-08 ValidFAA registration status code V: Valid registration. All codes
N3872W Beech
A36TC
Fixed-wing, single engine 6 Chicks Aviation LLC
Santa Maria, California
Standard 2023-10-04 ValidFAA registration status code V: Valid registration. All codes
N292RS Cessna
414A
Fixed-wing, multi-engine Valiair Limited Company Trustee
Casper, Wyoming
Standard 2023-10-03 ValidFAA registration status code V: Valid registration. All codes
N340WD Cessna
340
Fixed-wing, multi-engine Knoxville Air Charter Service LLC
Strawberry Plains, Tennessee
Standard 2023-09-30 ValidFAA registration status code V: Valid registration. All codes
N732RL Cessna
T210M
Fixed-wing, single engine Aero Aviation Transportation INC
Wilmington, Delaware
Standard 2023-09-29 ValidFAA registration status code V: Valid registration. All codes
N31BX Piper
PA-46-310P
Fixed-wing, single engine Individual owner
Tennessee
Standard 2023-09-26 ValidFAA registration status code V: Valid registration. All codes
N3212D Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Halo Aviation CORP
Wilmington, Delaware
Standard 2023-09-26 ValidFAA registration status code V: Valid registration. All codes
N35932 Cessna
TU206F
Fixed-wing, single engine Tmzk Holdings Llc-1
North Fort Myers, Florida
Standard 2023-09-26 ValidFAA registration status code V: Valid registration. All codes
N42BD Piper
PA-46-310P
Fixed-wing, single engine Individual owner
Texas
Standard 2023-09-26 ValidFAA registration status code V: Valid registration. All codes
N5359A Cessna
T210N
Fixed-wing, single engine Palo Duro Aircraft Services Lc
Mckinney, Texas
Standard 2023-09-26 ValidFAA registration status code V: Valid registration. All codes
N67RK Cessna
T310Q
Fixed-wing, multi-engine Individual owner
Ohio
Standard 2023-09-26 ValidFAA registration status code V: Valid registration. All codes
N60306 Beech
58P
Fixed-wing, multi-engine Individual owner
Georgia
Standard 2023-09-24 ValidFAA registration status code V: Valid registration. All codes
N765LT Cessna
340
Fixed-wing, multi-engine Drj Aviation LLC
Dover, Delaware
Standard 2023-09-23 ValidFAA registration status code V: Valid registration. All codes
N2709R Cessna
335
Fixed-wing, multi-engine Co-owned owner
Ohio
Standard 2023-09-22 ValidFAA registration status code V: Valid registration. All codes
N8991G Cessna
340A
Fixed-wing, multi-engine All Trimmed Out LLC
Pierre, South Dakota
Standard 2023-09-19 ValidFAA registration status code V: Valid registration. All codes
N8AD Beech
B36TC
Fixed-wing, single engine Chelsea Build LLC
Brenham, Texas
Standard 2023-09-18 ValidFAA registration status code V: Valid registration. All codes
N210P Cessna
T210N
Fixed-wing, single engine 210P LLC
Kalispell, Montana
Standard 2023-09-16 ValidFAA registration status code V: Valid registration. All codes
N39BT Cessna
T310Q
Fixed-wing, multi-engine Midwest Aerial Photography
Galloway, Ohio
Special flight permit 2023-09-16 ValidFAA registration status code V: Valid registration. All codes
N66SF Piper
PA-46-310P
Fixed-wing, single engine Red Rock Flying School LLC
Mesa, Arizona
Standard 2023-09-16 ValidFAA registration status code V: Valid registration. All codes
N9948Z Cessna
TU206G
Fixed-wing, single engine Alien Invaders LLC
Medina, Washington
Standard 2023-09-16 ValidFAA registration status code V: Valid registration. All codes
N325DD Cessna
T210M
Fixed-wing, single engine Co-owned owner
California
Standard 2023-09-13 ValidFAA registration status code V: Valid registration. All codes
N91DD Beech
B36TC
Fixed-wing, single engine Longhorn Leasing LLC
Anchorage, Alaska
Standard 2023-09-12 ValidFAA registration status code V: Valid registration. All codes
N457DM Cessna
340A
Fixed-wing, multi-engine Major Development LLC
Cedaredge, Colorado
Restricted 2023-09-11 ValidFAA registration status code V: Valid registration. All codes
N140KM Cessna
414A
Fixed-wing, multi-engine Knight Edge LLC
Clearwater, Florida
Standard 2023-09-10 ValidFAA registration status code V: Valid registration. All codes
N331CB Cessna
T210N
Fixed-wing, single engine N331Cb LLC
Great Falls, Montana
Standard 2023-09-08 ValidFAA registration status code V: Valid registration. All codes
N77KR Cessna
P210N
Fixed-wing, single engine Marsh Aviation LLC
Old Lyme, Connecticut
Standard 2023-09-08 ValidFAA registration status code V: Valid registration. All codes
N37285 Cessna
340A
Fixed-wing, multi-engine Java Air LLC
Visalia, California
Standard 2023-09-07 ValidFAA registration status code V: Valid registration. All codes
N9853C Cessna
T303
Fixed-wing, multi-engine Oregonian Flying Club
Wilmington, Delaware
Standard 2023-09-06 ValidFAA registration status code V: Valid registration. All codes
N168SD Cessna
P210N
Fixed-wing, single engine Cometenterprises.Net LLC
Kalispell, Montana
Standard 2023-09-05 ValidFAA registration status code V: Valid registration. All codes
N6ED Beech
58P
Fixed-wing, multi-engine 3 Rivers INC
St George, Utah
Standard 2023-09-05 ValidFAA registration status code V: Valid registration. All codes
N87273 Cessna
T310R
Fixed-wing, multi-engine 87273 LLC
Reno, Nevada
Standard 2023-09-05 ValidFAA registration status code V: Valid registration. All codes
N12PF Cessna
T210M
Fixed-wing, single engine Individual owner
Arizona
Standard 2023-09-04 ValidFAA registration status code V: Valid registration. All codes
N1734U Cessna
T210N
Fixed-wing, single engine Wing Nutz LLC
Pasadena, California
Standard 2023-09-04 ValidFAA registration status code V: Valid registration. All codes
N512HP Cessna
340
Fixed-wing, multi-engine N512Hp LLC
Dover, Delaware
Standard 2023-09-04 ValidFAA registration status code V: Valid registration. All codes
N6759R Cessna
T210F
Fixed-wing, single engine
Standard 2023-08-31 ValidFAA registration status code V: Valid registration. All codes
N732SS Cessna
T210M
Fixed-wing, single engine Albert Aviation LLC
Kalispell, Montana
Standard 2023-08-30 ValidFAA registration status code V: Valid registration. All codes
N761YS Cessna
T210M
Fixed-wing, single engine Co-owned owner
California
Standard 2023-08-30 ValidFAA registration status code V: Valid registration. All codes
N1191Q Cessna
TU206F
Fixed-wing, single engine Cameron Schoessler Aviation LLC
Bliss, Idaho
Standard 2023-08-29 ValidFAA registration status code V: Valid registration. All codes
N6304X Cessna
340A
Fixed-wing, multi-engine Andriopulos Salguero INC
Hialeah, Florida
Standard 2023-08-29 ValidFAA registration status code V: Valid registration. All codes
N8195Q Cessna
414
Fixed-wing, multi-engine D&M Enterprise LLC
Wilmington, Delaware
Standard 2023-08-29 ValidFAA registration status code V: Valid registration. All codes
N8264Q Cessna
TU206F
Fixed-wing, single engine Moody Bible Institute of Chicago
Spokane Valley, Washington
Standard 2023-08-29 ValidFAA registration status code V: Valid registration. All codes
N9746Y Cessna
T210N
Fixed-wing, single engine Aircraft Holding Solutions LLC Trustee
Newark, Delaware
Standard 2023-08-29 ValidFAA registration status code V: Valid registration. All codes
N37181 Cessna
414A
Fixed-wing, multi-engine Jrs Aviation LLC
Falls City, Nebraska
Standard 2023-08-28 ValidFAA registration status code V: Valid registration. All codes
N4111S Beech
58P
Fixed-wing, multi-engine Individual owner
New Jersey
Standard 2023-08-28 ValidFAA registration status code V: Valid registration. All codes
N5315X Cessna
TU206G
Fixed-wing, single engine Atarah LLC
Tucson, Arizona
Standard 2023-08-28 ValidFAA registration status code V: Valid registration. All codes
N13TN Cessna
T210M
Fixed-wing, single engine Individual owner
Washington
Standard 2023-08-26 ValidFAA registration status code V: Valid registration. All codes
N2069K Beech
58TC
Fixed-wing, multi-engine Individual owner
Washington
Standard 2023-08-26 ValidFAA registration status code V: Valid registration. All codes
N4665C Cessna
TU206G
Fixed-wing, single engine Individual owner
New Mexico
Standard 2023-08-26 ValidFAA registration status code V: Valid registration. All codes
N5177M Beech
58P
Fixed-wing, multi-engine Elh Aviation LLC
Flint, Michigan
Standard 2023-08-26 ValidFAA registration status code V: Valid registration. All codes
N6258N Cessna
340A
Fixed-wing, multi-engine Tango Victor Aviation LLC
Kingsburg, California
Standard 2023-08-26 ValidFAA registration status code V: Valid registration. All codes
N6436B Cessna
T210M
Fixed-wing, single engine Individual owner
California
Standard 2023-08-26 ValidFAA registration status code V: Valid registration. All codes
N74RM Cessna
T210M
Fixed-wing, single engine Individual owner
Texas
Standard 2023-08-26 ValidFAA registration status code V: Valid registration. All codes
N4312V Piper
PA-46-310P
Fixed-wing, single engine Baron Be 58 LLC
Essex, Montana
Standard 2023-08-25 ValidFAA registration status code V: Valid registration. All codes
N1199U Cessna
T210N
Fixed-wing, single engine Lansford INC
Clovis, New Mexico
Standard 2023-08-23 ValidFAA registration status code V: Valid registration. All codes
N5107C Cessna
T210N
Fixed-wing, single engine Individual owner
California
Standard 2023-08-23 ValidFAA registration status code V: Valid registration. All codes
N6320P Cessna
P210N
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2023-08-22 ValidFAA registration status code V: Valid registration. All codes
N6465G Beech
B36TC
Fixed-wing, single engine D Luckie LLC
Kalispell, Montana
Standard 2023-08-20 ValidFAA registration status code V: Valid registration. All codes
N75RM Beech
B36TC
Fixed-wing, single engine Dodson International Parts INC
Rantoul, Kansas
Standard 2023-08-20 ValidFAA registration status code V: Valid registration. All codes
N130HL Cessna
414A
Fixed-wing, multi-engine Fair Winds Aviation LLC
Shreveport, Louisiana
Standard 2023-08-18 ValidFAA registration status code V: Valid registration. All codes
N4653Q Cessna
T210L
Fixed-wing, single engine 53 Quebec LLC
El Dorado, California
Standard 2023-08-17 ValidFAA registration status code V: Valid registration. All codes
N52JV Cessna
421B
Fixed-wing, multi-engine Sl Leasing Group LLC
Atlanta, Georgia
Standard 2023-08-17 ValidFAA registration status code V: Valid registration. All codes
N533WP Cessna
340A
Fixed-wing, multi-engine Executive Air Services LLC
North Canton, Ohio
Standard 2023-08-17 ValidFAA registration status code V: Valid registration. All codes
N22AM Cessna
T310R
Fixed-wing, multi-engine Jays Aircraft Maintenance INC
Costa Mesa, California
Standard 2023-08-15 ValidFAA registration status code V: Valid registration. All codes
N350LC Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2023-08-13 ValidFAA registration status code V: Valid registration. All codes
N777BM Cessna
T210N
Fixed-wing, single engine Jet Air of South Florida INC
Deerfield Beach, Florida
Standard 2023-08-13 ValidFAA registration status code V: Valid registration. All codes
N123TD Cessna
340A
Fixed-wing, multi-engine Vinanam Aviation LLC
Cupertino, California
Standard 2023-08-12 ValidFAA registration status code V: Valid registration. All codes
N85RT Piper
PA-46-310P
Fixed-wing, single engine Jetprop Aviator LLC
Lewes, Delaware
Standard 2023-08-12 ValidFAA registration status code V: Valid registration. All codes
N1385V Cessna
T303
Fixed-wing, multi-engine 303 Tango Charlie LLC
Newark, Delaware
Standard 2023-08-10 ValidFAA registration status code V: Valid registration. All codes
N1675X Cessna
T210L
Fixed-wing, single engine No Runways LLC
Iraan, Texas
Standard 2023-08-10 ValidFAA registration status code V: Valid registration. All codes
N210AB Cessna
T210K
Fixed-wing, single engine Individual owner
Texas
Restricted 2023-08-10 ValidFAA registration status code V: Valid registration. All codes
N38AZ Cessna
P210N
Fixed-wing, single engine N731Ny LLC
Phoenix, Arizona
Standard 2023-08-09 ValidFAA registration status code V: Valid registration. All codes
N765FL Cessna
414
Fixed-wing, multi-engine Aviation Angel Tours LLC
Beverly Hills, California
Standard 2023-08-09 ValidFAA registration status code V: Valid registration. All codes
N93274 Cessna
T210L
Fixed-wing, single engine Wltf LLC
Caldwell, Idaho
Standard 2023-08-09 ValidFAA registration status code V: Valid registration. All codes
N6364C Cessna
T210N
Fixed-wing, single engine Sukhakarta Rentals LLC
Cedar Park, Texas
Standard 2023-08-08 ValidFAA registration status code V: Valid registration. All codes
N772M Beech
A36TC
Fixed-wing, single engine Individual owner
Michigan
Standard 2023-08-07 ValidFAA registration status code V: Valid registration. All codes
N24HS Cessna
T210M
Fixed-wing, single engine Individual owner
Arizona
Standard 2023-08-06 ValidFAA registration status code V: Valid registration. All codes
N72KG Cessna
414A
Fixed-wing, multi-engine M & P Aviation LLC
Byhalia, Mississippi
Standard 2023-08-05 ValidFAA registration status code V: Valid registration. All codes
N8675K Cessna
340A
Fixed-wing, multi-engine Jjjp North LLC
New London, North Carolina
Standard 2023-08-05 ValidFAA registration status code V: Valid registration. All codes
N10NF Beech
58P
Fixed-wing, multi-engine Individual owner
Texas
Standard 2023-08-04 ValidFAA registration status code V: Valid registration. All codes
N1178U Cessna
T210N
Fixed-wing, single engine Waco Diamond Star LLC
Niceville, Florida
Standard 2023-08-02 ValidFAA registration status code V: Valid registration. All codes
N29XX Cessna
421C
Fixed-wing, multi-engine Mustang Aeronautics LLC
Chandler, Arizona
Standard 2023-08-02 ValidFAA registration status code V: Valid registration. All codes
N36908 Cessna
402C
Fixed-wing, multi-engine Co-owned owner
Florida
Standard 2023-08-02 ValidFAA registration status code V: Valid registration. All codes
N6734U Beech
58TC
Fixed-wing, multi-engine R e Bentz INC
Monroe, Louisiana
Standard 2023-08-02 ValidFAA registration status code V: Valid registration. All codes
N732RB Cessna
T210M
Fixed-wing, single engine Individual owner
New Jersey
Standard 2023-08-02 ValidFAA registration status code V: Valid registration. All codes
N761LG Cessna
T210M
Fixed-wing, single engine Trinkle Aviation LLC
Kingsburg, California
Standard 2023-08-02 ValidFAA registration status code V: Valid registration. All codes
N980AM Cessna
340
Fixed-wing, multi-engine C&P Aircraft Holdings LLC
Nacogdoches, Texas
Multiple 2023-08-02 ValidFAA registration status code V: Valid registration. All codes
N136CM Beech
B36TC
Fixed-wing, single engine Triple C INC
Carlsbad, New Mexico
Standard 2023-08-01 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.