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
N8720K Cessna
340A
Fixed-wing, multi-engine Co-owned owner
Arizona
Standard 2021-08-18 ValidFAA registration status code V: Valid registration. All codes
N6700P Cessna
P210N
Fixed-wing, single engine Individual owner
Wyoming
Standard 2021-08-17 ValidFAA registration status code V: Valid registration. All codes
N132RX Cessna
402C
Fixed-wing, multi-engine J + D Aviation Services LLC
Centerville, Massachusetts
Standard 2021-08-16 ValidFAA registration status code V: Valid registration. All codes
N270MR Cessna
T210M
Fixed-wing, single engine Individual owner
California
Standard 2021-08-14 ValidFAA registration status code V: Valid registration. All codes
N6908X Piper
PA-46-310P
Fixed-wing, single engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2021-08-13 ValidFAA registration status code V: Valid registration. All codes
N922AS Cessna
414
Fixed-wing, multi-engine School of Missionary Aviation Technology
Ionia, Michigan
Standard 2021-08-13 ValidFAA registration status code V: Valid registration. All codes
N929HB Cessna
414
Fixed-wing, multi-engine Saratoga Transporation LLC
Encino, California
Special flight permit 2021-08-13 ValidFAA registration status code V: Valid registration. All codes
N5025W Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Advanced Aircraft Engineering INC
Amelia Island, Florida
Standard 2021-08-12 ValidFAA registration status code V: Valid registration. All codes
N7250N Cessna
T210N
Fixed-wing, single engine Co-owned owner
Michigan
Standard 2021-08-12 ValidFAA registration status code V: Valid registration. All codes
N140TP Cessna
340A
Fixed-wing, multi-engine Individual owner
Montana
Standard 2021-08-10 ValidFAA registration status code V: Valid registration. All codes
N3671F Beech
A36TC
Fixed-wing, single engine Individual owner
Florida
Standard 2021-08-10 ValidFAA registration status code V: Valid registration. All codes
N5858P Beech
58P
Fixed-wing, multi-engine Individual owner
Louisiana
Standard 2021-08-10 ValidFAA registration status code V: Valid registration. All codes
N126TK Beech
58TC
Fixed-wing, multi-engine Individual owner
Texas
Standard 2021-08-07 ValidFAA registration status code V: Valid registration. All codes
N649LC Beech
58P
Fixed-wing, multi-engine Smith Aviation LLC
Sitka, Alaska
Standard 2021-08-07 ValidFAA registration status code V: Valid registration. All codes
N414XX Cessna
414A
Fixed-wing, multi-engine Mcnally Operations LLC
Norfolk, Nebraska
Standard 2021-08-04 ValidFAA registration status code V: Valid registration. All codes
N73LL Cessna
T210M
Fixed-wing, single engine T3 Aviation LLC
Oak Point, Texas
Standard 2021-08-03 ValidFAA registration status code V: Valid registration. All codes
N6838X Cessna
402B
Fixed-wing, multi-engine Ocean Flight CORP
Weston, Florida
Standard 2021-07-31 ValidFAA registration status code V: Valid registration. All codes
N322LK Cessna
T210L
Fixed-wing, single engine Findley Air LLC
Temecula, California
Standard 2021-07-30 ValidFAA registration status code V: Valid registration. All codes
N6170N Cessna
T210M
Fixed-wing, single engine Garmin210 LLC
Willard, Missouri
Standard 2021-07-28 ValidFAA registration status code V: Valid registration. All codes
N340DM Cessna
340A
Fixed-wing, multi-engine Maxxum Financial Group INC
Destrehan, Louisiana
Standard 2021-07-26 ValidFAA registration status code V: Valid registration. All codes
N2019S Cessna
T210L
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2021-07-23 ValidFAA registration status code V: Valid registration. All codes
N524MM Cessna
T210N
Fixed-wing, single engine Aviation Trust Company LLC Trustee
Oklahoma City, Oklahoma
Standard 2021-07-20 ValidFAA registration status code V: Valid registration. All codes
N87RR Beech
58P
Fixed-wing, multi-engine Bahnair LLC
Oklahoma City, Oklahoma
Standard 2021-07-20 ValidFAA registration status code V: Valid registration. All codes
N94035 Cessna
T210L
Fixed-wing, single engine Co-owned owner
New Mexico
Standard 2021-07-20 ValidFAA registration status code V: Valid registration. All codes
N4678Q Cessna
T210L
Fixed-wing, single engine Prairie Dog Aviation LLC
Sioux Falls, South Dakota
Standard 2021-07-16 ValidFAA registration status code V: Valid registration. All codes
N1245A Cessna
414A
Fixed-wing, multi-engine Aircraft Holding Solutions LLC Trustee
Newark, Delaware
Standard 2021-07-15 ValidFAA registration status code V: Valid registration. All codes
N56GL Beech
B36TC
Fixed-wing, single engine Individual owner
Texas
Standard 2021-07-13 ValidFAA registration status code V: Valid registration. All codes
N77CD Cessna
414
Fixed-wing, multi-engine Co-owned owner
Virginia
Standard 2021-07-13 ValidFAA registration status code V: Valid registration. All codes
N477MA Cessna
T210N
Fixed-wing, single engine Individual owner
Texas
Standard 2021-07-12 ValidFAA registration status code V: Valid registration. All codes
N1132U Cessna
T210N
Fixed-wing, single engine Individual owner
Texas
Standard 2021-07-10 ValidFAA registration status code V: Valid registration. All codes
N6174B Cessna
T210M
Fixed-wing, single engine N6174B LLC
Nokomis, Florida
Standard 2021-07-08 ValidFAA registration status code V: Valid registration. All codes
N6733M Beech
A36TC
Fixed-wing, single engine Individual owner
California
Standard 2021-06-30 ValidFAA registration status code V: Valid registration. All codes
N678JS Cessna
414A
Fixed-wing, multi-engine Golden Pegasus LLC
Hughson, California
Standard 2021-06-30 ValidFAA registration status code V: Valid registration. All codes
N870FS Piper
PA-46-310P
Fixed-wing, single engine Individual owner
Texas
Standard 2021-06-28 ValidFAA registration status code V: Valid registration. All codes
N1228 Piper
PA-46-310P
Fixed-wing, single engine Hodges Farms LLC
Grain Valley, Missouri
Standard 2021-06-26 ValidFAA registration status code V: Valid registration. All codes
N4957Z Cessna
TU206G
Fixed-wing, single engine Individual owner
Nevada
Standard 2021-06-25 ValidFAA registration status code V: Valid registration. All codes
N24CF Cessna
340A
Fixed-wing, multi-engine America Aviation LLC
Yuma, Arizona
Standard 2021-06-24 ValidFAA registration status code V: Valid registration. All codes
N340BC Cessna
340A
Fixed-wing, multi-engine Outbound LLC
Sharonville, Ohio
Standard 2021-06-24 ValidFAA registration status code V: Valid registration. All codes
N5127Q Cessna
T210L
Fixed-wing, single engine Withheld at owner's request
Standard 2021-06-24 ValidFAA registration status code V: Valid registration. All codes
N158TC Beech
58TC
Fixed-wing, multi-engine Individual owner
Texas
Standard 2021-06-17 ValidFAA registration status code V: Valid registration. All codes
N340BB Cessna
340A
Fixed-wing, multi-engine Jacobs Property Management LLC
Dutton, Alabama
Standard 2021-06-17 ValidFAA registration status code V: Valid registration. All codes
N491WM Beech
58P
Fixed-wing, multi-engine Renlim Aviation LLC
Brookhaven, Georgia
Standard 2021-06-17 ValidFAA registration status code V: Valid registration. All codes
N2110A Beech
58P
Fixed-wing, multi-engine Windshear Aviation LLC
Longmont, Colorado
Standard 2021-06-16 ValidFAA registration status code V: Valid registration. All codes
N253RL Beech
A36TC
Fixed-wing, single engine Ars Automation Design INC
Greensboro, North Carolina
Standard 2021-06-14 ValidFAA registration status code V: Valid registration. All codes
N6588X Cessna
TU206G
Fixed-wing, single engine PC Rental LLC
Ely, Minnesota
Standard 2021-06-14 ValidFAA registration status code V: Valid registration. All codes
N6161N Cessna
T210M
Fixed-wing, single engine On Eagles Wings LLC
Los Gatos, California
Standard 2021-06-10 ValidFAA registration status code V: Valid registration. All codes
N3854G Beech
A36TC
Fixed-wing, single engine Dry Creek Aviation LLC
Belmont, California
Standard 2021-06-09 ValidFAA registration status code V: Valid registration. All codes
N29003 Cessna
T210L
Fixed-wing, single engine R J Kielty Plumbing Heating and Cooling INC
New Port Richey, Florida
Standard 2021-06-07 ValidFAA registration status code V: Valid registration. All codes
N8A Cessna
A185F
Fixed-wing, single engine Pacific Aviation LLC
Cottage Grove, Oregon
Standard 2021-06-07 ValidFAA registration status code V: Valid registration. All codes
N974RC Cessna
T210N
Fixed-wing, single engine Rafael Cisneros LLC
Wilmington, Delaware
Standard 2021-06-07 ValidFAA registration status code V: Valid registration. All codes
N310AH Cessna
310R
Fixed-wing, multi-engine Individual owner
Florida
Standard 2021-06-05 ValidFAA registration status code V: Valid registration. All codes
N414DB Cessna
414
Fixed-wing, multi-engine Nerwelah Holdings LLC
Martinez, Georgia
Standard 2021-06-04 ValidFAA registration status code V: Valid registration. All codes
N483JF Cessna
414
Fixed-wing, multi-engine Kg Aviation LLC
Huntington, West Virginia
Standard 2021-06-02 ValidFAA registration status code V: Valid registration. All codes
N2696U Cessna
340A
Fixed-wing, multi-engine Black Dragon Consulting LLC
Phoenix, Arizona
Standard 2021-05-28 ValidFAA registration status code V: Valid registration. All codes
N555CT Cessna
414A
Fixed-wing, multi-engine N555Ct LLC
Largo, Florida
Standard 2021-05-28 ValidFAA registration status code V: Valid registration. All codes
N414BG Cessna
414A
Fixed-wing, multi-engine Green Forest Aviation LLC
Edmond, Oklahoma
Standard 2021-05-27 ValidFAA registration status code V: Valid registration. All codes
N4458S Beech
58P
Fixed-wing, multi-engine Cn Aviation LLC
Mesa, Arizona
Standard 2021-05-27 ValidFAA registration status code V: Valid registration. All codes
N9SH Beech
A36TC
Fixed-wing, single engine Senza Limiti LLC
Park City, Utah
Standard 2021-05-26 ValidFAA registration status code V: Valid registration. All codes
N667PC Piper
PA-46-310P
Fixed-wing, single engine Individual owner
Alaska
Standard 2021-05-25 ValidFAA registration status code V: Valid registration. All codes
N211CF Cessna
T210N
Fixed-wing, single engine Individual owner
Florida
Standard 2021-05-24 ValidFAA registration status code V: Valid registration. All codes
N222HC Beech
A36TC
Fixed-wing, single engine Muddflyers LLC
Woodbridge, Virginia
Standard 2021-05-22 ValidFAA registration status code V: Valid registration. All codes
N80GW Cessna
T210L
Fixed-wing, single engine Individual owner
Nevada
Standard 2021-05-22 ValidFAA registration status code V: Valid registration. All codes
N26HA Beech
58P
Fixed-wing, multi-engine Epsilon Equity Partners LLC
Houston, Texas
Standard 2021-05-20 ValidFAA registration status code V: Valid registration. All codes
N5456Y Cessna
T210N
Fixed-wing, single engine Wings As Eagles LLC
Wilmington, Delaware
Standard 2021-05-20 ValidFAA registration status code V: Valid registration. All codes
N5BP Beech
58P
Fixed-wing, multi-engine Tippettsolutions LLC
Fort Mill, South Carolina
Standard 2021-05-20 ValidFAA registration status code V: Valid registration. All codes
N750NT Cessna
TU206G
Fixed-wing, single engine Ele Motorsports LLC
Dover, Delaware
Standard 2021-05-20 ValidFAA registration status code V: Valid registration. All codes
N5191V Cessna
T210L
Fixed-wing, single engine True Drilling LLC
Casper, Wyoming
Standard 2021-05-19 ValidFAA registration status code V: Valid registration. All codes
N7391P Cessna
P210N
Fixed-wing, single engine Shph LLC
Edwards, Illinois
Standard 2021-05-19 ValidFAA registration status code V: Valid registration. All codes
N2688D Cessna
414A
Fixed-wing, multi-engine B2 Air LLC
Pierre, South Dakota
Standard 2021-05-18 ValidFAA registration status code V: Valid registration. All codes
N675R Cessna
414A
Fixed-wing, multi-engine Vb Flying LLC
Cornelius, North Carolina
Standard 2021-05-18 ValidFAA registration status code V: Valid registration. All codes
N8338H Beech
B36TC
Fixed-wing, single engine Bayviewer LLC
Sarasota, Florida
Standard 2021-05-18 ValidFAA registration status code V: Valid registration. All codes
N414XT Cessna
414
Fixed-wing, multi-engine Hemet Mesa Aviation LLC
Dover, Delaware
Standard 2021-05-17 ValidFAA registration status code V: Valid registration. All codes
N9955J Cessna
T188C
Fixed-wing, single engine Individual owner
Montana
Restricted 2021-05-14 ValidFAA registration status code V: Valid registration. All codes
N77CK Cessna
T207
Fixed-wing, single engine Raiz Coaching LLC
Fort Worth, Texas
Standard 2021-05-12 ValidFAA registration status code V: Valid registration. All codes
N8079Z Beech
B36TC
Fixed-wing, single engine Individual owner
North Carolina
Standard 2021-05-12 ValidFAA registration status code V: Valid registration. All codes
N8442Q Cessna
U206F
Fixed-wing, single engine Individual owner
Michigan
Standard 2021-05-11 ValidFAA registration status code V: Valid registration. All codes
N4051C Cessna
340A
Fixed-wing, multi-engine Sky High Ventures LLC
Bartlett, Tennessee
Standard 2021-05-08 ValidFAA registration status code V: Valid registration. All codes
N412BP Cessna
T303
Fixed-wing, multi-engine Mission Hardward LTD CO
Savannah, Georgia
Experimental 2021-05-08 ValidFAA registration status code V: Valid registration. All codes
N1824N Beech
A36TC
Fixed-wing, single engine Co-owned owner
Washington
Standard 2021-05-05 ValidFAA registration status code V: Valid registration. All codes
N2050S Cessna
T210L
Fixed-wing, single engine Individual owner
Kansas
Standard 2021-05-03 ValidFAA registration status code V: Valid registration. All codes
N1108W Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Individual owner
California
Standard 2021-04-29 ValidFAA registration status code V: Valid registration. All codes
N4716X Cessna
TU206G
Fixed-wing, single engine Individual owner
California
Standard 2021-04-29 ValidFAA registration status code V: Valid registration. All codes
N761CE Cessna
T210M
Fixed-wing, single engine Charlie Echo Enterprises LLC
Cedar Hills, Utah
Standard 2021-04-29 ValidFAA registration status code V: Valid registration. All codes
N6440Y Cessna
T210N
Fixed-wing, single engine Tamarack Graphics LLC
Salt Lake City, Utah
Standard 2021-04-28 ValidFAA registration status code V: Valid registration. All codes
N36847 Beech
A36TC
Fixed-wing, single engine Individual owner
Texas
Standard 2021-04-27 ValidFAA registration status code V: Valid registration. All codes
N6737V Beech
A36TC
Fixed-wing, single engine Riverview Ranches
Chowchilla, California
Standard 2021-04-27 ValidFAA registration status code V: Valid registration. All codes
N36CG Cessna
310P
Fixed-wing, multi-engine Individual owner
Washington
Standard 2021-04-24 ValidFAA registration status code V: Valid registration. All codes
N414SP Cessna
414A
Fixed-wing, multi-engine Diamond Upgrades LLC
Phoenix, Arizona
Standard 2021-04-23 ValidFAA registration status code V: Valid registration. All codes
N80SG Cessna
T210N
Fixed-wing, single engine Individual owner
Georgia
Standard 2021-04-23 ValidFAA registration status code V: Valid registration. All codes
N9613G Cessna
TU206F
Fixed-wing, single engine David W Easter Consulting INC
Libby, Montana
Standard 2021-04-23 ValidFAA registration status code V: Valid registration. All codes
N2734G Cessna
414A
Fixed-wing, multi-engine Split Rock Aerospace LLC
Southport, Connecticut
Standard 2021-04-22 ValidFAA registration status code V: Valid registration. All codes
N313RW Cessna
414
Fixed-wing, multi-engine Sarp Rentals LLC
Loudon, Tennessee
Standard 2021-04-20 ValidFAA registration status code V: Valid registration. All codes
N59286 Cessna
TU206F
Fixed-wing, single engine Co-owned owner
Oregon
Standard 2021-04-19 ValidFAA registration status code V: Valid registration. All codes
N93ET Cessna
TU206G
Fixed-wing, single engine Individual owner
Washington
Standard 2021-04-16 ValidFAA registration status code V: Valid registration. All codes
N3156X Cessna
T207A
Fixed-wing, single engine Back Country Aviation LLC
Jupiter, Florida
Standard 2021-04-14 ValidFAA registration status code V: Valid registration. All codes
N756WG Cessna
TU206G
Fixed-wing, single engine Co-owned owner
Washington
Standard 2021-04-14 ValidFAA registration status code V: Valid registration. All codes
N9700J Cessna
T188C
Fixed-wing, single engine Crux Logistics & Consulting LTD
Las Vegas, Nevada
Restricted 2021-04-14 ValidFAA registration status code V: Valid registration. All codes
N340DW Cessna
340A
Fixed-wing, multi-engine Individual owner
Oregon
Standard 2021-04-13 ValidFAA registration status code V: Valid registration. All codes
N4671K Cessna
P210N
Fixed-wing, single engine Individual owner
Florida
Standard 2021-04-13 ValidFAA registration status code V: Valid registration. All codes
N761DX Cessna
T210M
Fixed-wing, single engine Flying Float Club LLC
Tavares, Florida
Standard 2021-04-13 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.