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
N731ZF Cessna
P210N
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2015-12-12 ValidFAA registration status code V: Valid registration. All codes
N898LM Cessna
340A
Fixed-wing, multi-engine Mlm Aviation LLC
Mars Hill, North Carolina
Standard 2015-12-12 ValidFAA registration status code V: Valid registration. All codes
N157N Beech
58P
Fixed-wing, multi-engine Individual owner
Oklahoma
Standard 2015-12-11 ValidFAA registration status code V: Valid registration. All codes
N3243C Beech
B36TC
Fixed-wing, single engine Orthopaedic Surgery Institute of California Mc
Newport Beach, California
Standard 2015-12-11 ValidFAA registration status code V: Valid registration. All codes
N310M Cessna
T310R
Fixed-wing, multi-engine Austin Security INC
Battleboro, North Carolina
Standard 2015-12-05 ValidFAA registration status code V: Valid registration. All codes
N761MJ Cessna
T210M
Fixed-wing, single engine Individual owner
Georgia
Standard 2015-12-05 ValidFAA registration status code V: Valid registration. All codes
N410PC Beech
58P
Fixed-wing, multi-engine Individual owner
Oregon
Standard 2015-12-04 ValidFAA registration status code V: Valid registration. All codes
N4690U Cessna
TU206G
Fixed-wing, single engine Kim Hansen CO
Burley, Idaho
Standard 2015-12-01 ValidFAA registration status code V: Valid registration. All codes
N9113Z Piper
PA-46-310P
Fixed-wing, single engine Kenmore Crew Leasing INC Owner Trustee
Bellingham, Washington
Standard 2015-12-01 ValidFAA registration status code V: Valid registration. All codes
N4720P Cessna
P210N
Fixed-wing, single engine Individual owner
New Hampshire
Standard 2015-11-17 ValidFAA registration status code V: Valid registration. All codes
N340DJ Cessna
340A
Fixed-wing, multi-engine Cistriacus Aircraft CORP Trustee
Wilmington, Delaware
Standard 2015-11-12 ValidFAA registration status code V: Valid registration. All codes
N67909 Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2015-11-10 ValidFAA registration status code V: Valid registration. All codes
N93350 Cessna
T210L
Fixed-wing, single engine Individual owner
Montana
Standard 2015-11-09 ValidFAA registration status code V: Valid registration. All codes
N3968Q Cessna
TU206F
Fixed-wing, single engine Tundra Wings Ministries
Wasilla, Alaska
Standard 2015-11-05 ValidFAA registration status code V: Valid registration. All codes
N1843L Beech
58P
Fixed-wing, multi-engine
Standard 2015-11-04 ValidFAA registration status code V: Valid registration. All codes
N340L Cessna
340A
Fixed-wing, multi-engine 310 Air LTD
Seville, Ohio
Standard 2015-11-03 ValidFAA registration status code V: Valid registration. All codes
N390RS Cessna
T210L
Fixed-wing, single engine Individual owner
New York
Standard 2015-11-02 ValidFAA registration status code V: Valid registration. All codes
N4612K Cessna
P210N
Fixed-wing, single engine Individual owner
Colorado
Standard 2015-11-02 ValidFAA registration status code V: Valid registration. All codes
N340PC Cessna
340A
Fixed-wing, multi-engine Double J Aviation LLC
Burlington, Wisconsin
Standard 2015-10-23 ValidFAA registration status code V: Valid registration. All codes
N35AU Beech
B36TC
Fixed-wing, single engine Hat Creek Construction & Materials INC
Burney, California
Standard 2015-10-23 ValidFAA registration status code V: Valid registration. All codes
N6696Z Beech
A36TC
Fixed-wing, single engine Monahans Affordable Homes LLC
Monahans, Texas
Standard 2015-10-14 ValidFAA registration status code V: Valid registration. All codes
N4428C Beech
A36TC
Fixed-wing, single engine Co-owned owner
California
Standard 2015-10-08 ValidFAA registration status code V: Valid registration. All codes
N512SB Cessna
P210N
Fixed-wing, single engine N512Sb LLC
Austin, Texas
Standard 2015-10-06 ValidFAA registration status code V: Valid registration. All codes
N341BG Cessna
340
Fixed-wing, multi-engine Attack Jack Enterprises LLC
Wilmington, Delaware
Standard 2015-10-01 ValidFAA registration status code V: Valid registration. All codes
N732RF Cessna
P210N
Fixed-wing, single engine Individual owner
Nevada
Standard 2015-10-01 ValidFAA registration status code V: Valid registration. All codes
N4772A Cessna
414A
Fixed-wing, multi-engine Dodson International Parts INC
Rantoul, Kansas
Standard 2015-09-30 ValidFAA registration status code V: Valid registration. All codes
N45XD Cessna
T210N
Fixed-wing, single engine Substation Air LLC
Midvale, Utah
Standard 2015-09-29 ValidFAA registration status code V: Valid registration. All codes
N58H Cessna
414A
Fixed-wing, multi-engine Bjk Aviation LLC
Morgantown, West Virginia
Standard 2015-09-23 ValidFAA registration status code V: Valid registration. All codes
N4761K Cessna
P210N
Fixed-wing, single engine Individual owner
California
Standard 2015-09-10 ValidFAA registration status code V: Valid registration. All codes
N732SE Cessna
T210M
Fixed-wing, single engine Pic Aviation INC
Bloomsburg, Pennsylvania
Standard 2015-09-09 ValidFAA registration status code V: Valid registration. All codes
N23FG Cessna
185
Fixed-wing, single engine State of California Dept of Fish & Game
Sacramento, California
Restricted 2015-09-04 ValidFAA registration status code V: Valid registration. All codes
N732TP Cessna
T210M
Fixed-wing, single engine Bdf Air Investments LLC
Galveston, Texas
Standard 2015-09-04 ValidFAA registration status code V: Valid registration. All codes
N6670G Beech
A36TC
Fixed-wing, single engine Sterling Park CORP
Ashland, Kentucky
Standard 2015-09-03 ValidFAA registration status code V: Valid registration. All codes
N6665W Beech
58P
Fixed-wing, multi-engine Ial CORP
Lewes, Delaware
Standard 2015-09-02 ValidFAA registration status code V: Valid registration. All codes
N310TW Cessna
T310R
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2015-08-31 ValidFAA registration status code V: Valid registration. All codes
N37376 Cessna
340A
Fixed-wing, multi-engine Trans Western Leasing LLC
Sheridan, Wyoming
Standard 2015-08-27 ValidFAA registration status code V: Valid registration. All codes
N96LL Cessna
T210L
Fixed-wing, single engine Huck-Mag LLC
Plano, Texas
Standard 2015-08-27 ValidFAA registration status code V: Valid registration. All codes
N424ME Cessna
340A
Fixed-wing, multi-engine Kfl LLC
Canyon Country, California
Standard 2015-08-26 ValidFAA registration status code V: Valid registration. All codes
N6688N Cessna
T210N
Fixed-wing, single engine Individual owner
California
Standard 2015-08-26 ValidFAA registration status code V: Valid registration. All codes
N9117J Piper
PA-46-310P
Fixed-wing, single engine Blue Skies Malibu LLC
San Diego, California
Standard 2015-08-26 ValidFAA registration status code V: Valid registration. All codes
N123VR Cessna
T210L
Fixed-wing, single engine Individual owner
Nevada
Standard 2015-08-18 ValidFAA registration status code V: Valid registration. All codes
N6032X Beech
58P
Fixed-wing, multi-engine Winged Chariot LLC
Cincinnati, Ohio
Standard 2015-08-18 ValidFAA registration status code V: Valid registration. All codes
N8TM Beech
58P
Fixed-wing, multi-engine Advanced Intelligent Computing INC DBA
Houston, Texas
Standard 2015-08-13 ValidFAA registration status code V: Valid registration. All codes
N2961J Cessna
T188C
Fixed-wing, single engine Frey Jerry P
Fallon, Nevada
Restricted 2015-08-11 ValidFAA registration status code V: Valid registration. All codes
N9146R Piper
PA-46-310P
Fixed-wing, single engine Individual owner
Virginia
Standard 2015-08-10 ValidFAA registration status code V: Valid registration. All codes
N402JH Cessna
402C
Fixed-wing, multi-engine Air Flight INC
Fort Lauderdale, Florida
Standard 2015-08-05 ValidFAA registration status code V: Valid registration. All codes
N402PA Cessna
402B
Fixed-wing, multi-engine Air Flight INC
Fort Lauderdale, Florida
Standard 2015-08-05 ValidFAA registration status code V: Valid registration. All codes
N4137C Cessna
T210N
Fixed-wing, single engine N4137C INC
Redwood City, California
Standard 2015-08-05 ValidFAA registration status code V: Valid registration. All codes
N55LP Cessna
402C
Fixed-wing, multi-engine Air Flight INC
Fort Lauderdale, Florida
Standard 2015-08-05 ValidFAA registration status code V: Valid registration. All codes
N6824L Cessna
340A
Fixed-wing, multi-engine Environmental Evolutions Transportation INC
Robstown, Texas
Standard 2015-08-04 ValidFAA registration status code V: Valid registration. All codes
N75GB Cessna
402B
Fixed-wing, multi-engine Pro Aire Cargo & Consulting INC
Oshkosh, Wisconsin
Standard 2015-07-24 ValidFAA registration status code V: Valid registration. All codes
N69542 Cessna
340
Fixed-wing, multi-engine Dirty Side Down LLC
Hobbs, New Mexico
Standard 2015-07-23 ValidFAA registration status code V: Valid registration. All codes
N756DH Cessna
TU206G
Fixed-wing, single engine Dorothy M Walker Family LP
Idaho Falls, Idaho
Standard 2015-07-23 ValidFAA registration status code V: Valid registration. All codes
N77QB Cessna
340A
Fixed-wing, multi-engine Deauxboys LLC
Menomonee Falls, Wisconsin
Standard 2015-07-22 ValidFAA registration status code V: Valid registration. All codes
N9275Y Piper
PA-46-310P
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2015-07-14 ValidFAA registration status code V: Valid registration. All codes
N93262 Cessna
T210L
Fixed-wing, single engine Land Office LLC
Burlington, Colorado
Standard 2015-07-08 ValidFAA registration status code V: Valid registration. All codes
N15X Beech
58P
Fixed-wing, multi-engine Lrb Aviation LLC
Catawba, North Carolina
Standard 2015-06-30 ValidFAA registration status code V: Valid registration. All codes
N1716E Cessna
T310R
Fixed-wing, multi-engine Individual owner
Virginia
Standard 2015-06-30 ValidFAA registration status code V: Valid registration. All codes
N198ER Cessna
T210M
Fixed-wing, single engine Cloud Dancer LLC
Santa Maria, California
Standard 2015-06-30 ValidFAA registration status code V: Valid registration. All codes
N2069Y Beech
58TC
Fixed-wing, multi-engine Beach Helicopter Services LLC
Chesapeake, Virginia
Standard 2015-06-26 ValidFAA registration status code V: Valid registration. All codes
N310JP Cessna
T310Q
Fixed-wing, multi-engine Individual owner
California
Standard 2015-06-24 ValidFAA registration status code V: Valid registration. All codes
N75935 Cessna
T210L
Fixed-wing, single engine Allison Aviation LLC
Missoula, Montana
Standard 2015-06-23 ValidFAA registration status code V: Valid registration. All codes
N340KS Cessna
340A
Fixed-wing, multi-engine Davieation III LLC
St Simons Is, Georgia
Standard 2015-06-19 ValidFAA registration status code V: Valid registration. All codes
N414MW Cessna
414
Fixed-wing, multi-engine Fly the Valley LLC
New Market, Virginia
Standard 2015-06-16 ValidFAA registration status code V: Valid registration. All codes
N9502Y Cessna
T210N
Fixed-wing, single engine Bci Aviation LLC
Arroyo Grande, California
Standard 2015-06-16 ValidFAA registration status code V: Valid registration. All codes
N731RR Cessna
P210N
Fixed-wing, single engine Aviation Inventions LLC
Windsor, Colorado
Standard 2015-06-09 ValidFAA registration status code V: Valid registration. All codes
N4522K Cessna
P210N
Fixed-wing, single engine Individual owner
Tennessee
Standard 2015-06-03 ValidFAA registration status code V: Valid registration. All codes
N340CR Cessna
340A
Fixed-wing, multi-engine Jf Valentine Aviation LLC
Wilmington, Delaware
Standard 2015-05-26 ValidFAA registration status code V: Valid registration. All codes
N2149Z Piper
PA-28-161
Fixed-wing, single engine Co-owned owner
Massachusetts
Standard 2015-05-19 ValidFAA registration status code V: Valid registration. All codes
N1652X Cessna
T210L
Fixed-wing, single engine Blackbridge Holdings LLC
Helena, Montana
Standard 2015-05-15 ValidFAA registration status code V: Valid registration. All codes
N413KJ Beech
V35B
Fixed-wing, single engine Individual owner
Ohio
Standard 2015-05-06 ValidFAA registration status code V: Valid registration. All codes
N340F Cessna
340A
Fixed-wing, multi-engine Csc Delaware Trust CO Trustee
Wilmington, Delaware
Standard 2015-05-01 ValidFAA registration status code V: Valid registration. All codes
N97VC Beech
58P
Fixed-wing, multi-engine Sababa Aviation LLC
West Palm Beach, Florida
Standard 2015-04-30 ValidFAA registration status code V: Valid registration. All codes
N222AX Cessna
414
Fixed-wing, multi-engine Individual owner
Missouri
Standard 2015-04-28 ValidFAA registration status code V: Valid registration. All codes
N340MG Cessna
340A
Fixed-wing, multi-engine N340Mg LLC
Highlands Ranch, Colorado
Standard 2015-04-28 ValidFAA registration status code V: Valid registration. All codes
N732WN Cessna
T210M
Fixed-wing, single engine Kilpatrick Robert Levon
Auburndale, Florida
Standard 2015-04-23 ValidFAA registration status code V: Valid registration. All codes
N811MA Beech
58P
Fixed-wing, multi-engine Co-owned owner
Oregon
Standard 2015-04-21 ValidFAA registration status code V: Valid registration. All codes
N222RD Cessna
340A
Fixed-wing, multi-engine Aviation Consultants INC
San Luis Obispo, California
Standard 2015-04-20 ValidFAA registration status code V: Valid registration. All codes
N5251J Cessna
T310R
Fixed-wing, multi-engine Co-owned owner
Arizona
Standard 2015-04-15 ValidFAA registration status code V: Valid registration. All codes
N678HC Beech
A36TC
Fixed-wing, single engine Mckisson Holdings LLC
Renton, Washington
Standard 2015-04-10 ValidFAA registration status code V: Valid registration. All codes
N8647Q Cessna
TU206F
Fixed-wing, single engine Technical Applications & Consulting LLC
Topeka, Kansas
Standard 2015-04-10 ValidFAA registration status code V: Valid registration. All codes
N4577L Cessna
340
Fixed-wing, multi-engine Individual owner
California
Standard 2015-04-09 ValidFAA registration status code V: Valid registration. All codes
N303KS Cessna
T303
Fixed-wing, multi-engine Smoky Hill AG LLC
Healy, Kansas
Standard 2015-04-06 ValidFAA registration status code V: Valid registration. All codes
N30038 Cessna
T210L
Fixed-wing, single engine Stockyard LLC
Wilmington, Delaware
Standard 2015-03-27 ValidFAA registration status code V: Valid registration. All codes
N7516Q Cessna
T310Q
Fixed-wing, multi-engine S Flight LLC
Evergreen, Colorado
Standard 2015-03-26 ValidFAA registration status code V: Valid registration. All codes
N68236 Cessna
340A
Fixed-wing, multi-engine Vaughn Air LLC
Hillsboro, Oregon
Standard 2015-03-25 ValidFAA registration status code V: Valid registration. All codes
N66WS Cessna
P210N
Fixed-wing, single engine Individual owner
Montana
Standard 2015-03-24 ValidFAA registration status code V: Valid registration. All codes
N1987G Cessna
414
Fixed-wing, multi-engine Individual owner
Texas
Standard 2015-03-20 ValidFAA registration status code V: Valid registration. All codes
N312SC Cessna
T210N
Fixed-wing, single engine Barker Family Investments Management CO LLC
Tyler, Texas
Standard 2015-03-20 ValidFAA registration status code V: Valid registration. All codes
N4600U Cessna
T210N
Fixed-wing, single engine Dlw Aviation LLC
Missoula, Montana
Standard 2015-03-19 ValidFAA registration status code V: Valid registration. All codes
N4557N Cessna
340A
Fixed-wing, multi-engine Westra Aviation LLC
Beaver Dam, Wisconsin
Standard 2015-03-06 ValidFAA registration status code V: Valid registration. All codes
N18DL Cessna
T310R
Fixed-wing, multi-engine Individual owner
Colorado
Standard 2015-03-02 ValidFAA registration status code V: Valid registration. All codes
N74MT Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Kopair LLC
Saint Louis, Missouri
Standard 2015-03-02 ValidFAA registration status code V: Valid registration. All codes
N3432F Cessna
T210M
Fixed-wing, single engine Bierschwale Land CO LLC
Mason, Texas
Standard 2015-02-18 ValidFAA registration status code V: Valid registration. All codes
N1083V Cessna
TU206F
Fixed-wing, single engine Individual owner
California
Standard 2015-02-11 ValidFAA registration status code V: Valid registration. All codes
N323RC Beech
A36TC
Fixed-wing, single engine Tigers Aviation LLC
Wasilla, Alaska
Standard 2015-02-10 ValidFAA registration status code V: Valid registration. All codes
N340CM Cessna
340A
Fixed-wing, multi-engine Cellular Sales Aviation of Missouri LLC
Knoxville, Tennessee
Standard 2015-02-09 ValidFAA registration status code V: Valid registration. All codes
N6801T Beech
B36TC
Fixed-wing, single engine Individual owner
California
Special flight permit 2015-02-09 ValidFAA registration status code V: Valid registration. All codes
N102WC Cessna
340A
Fixed-wing, multi-engine Dac 2020 INC
Skaneateles, New York
Standard 2015-02-05 ValidFAA registration status code V: Valid registration. All codes
N706CA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2015-02-05 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.