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
N6292N Cessna
340A
Fixed-wing, multi-engine Avjets LLC
Miami, Florida
Standard 2014-03-05 ValidFAA registration status code V: Valid registration. All codes
N6314C Cessna
T210N
Fixed-wing, single engine C4P LLC
Jackson, Tennessee
Standard 2014-03-05 ValidFAA registration status code V: Valid registration. All codes
N414CW Cessna
414A
Fixed-wing, multi-engine Crosswind Media LLC
Terrell, Texas
Standard 2014-02-28 ValidFAA registration status code V: Valid registration. All codes
N902BA Cessna
414A
Fixed-wing, multi-engine Echo Charlie LLC
Manvel, North Dakota
Standard 2014-02-28 ValidFAA registration status code V: Valid registration. All codes
N519SC Cessna
340A
Fixed-wing, multi-engine Individual owner
Washington
Standard 2014-02-27 ValidFAA registration status code V: Valid registration. All codes
N8129G Cessna
T210K
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2014-02-25 ValidFAA registration status code V: Valid registration. All codes
N444DM Cessna
414
Fixed-wing, multi-engine Individual owner
Texas
Standard 2014-02-21 ValidFAA registration status code V: Valid registration. All codes
N101PA Beech
A36TC
Fixed-wing, single engine Co-owned owner
California
Standard 2014-02-18 ValidFAA registration status code V: Valid registration. All codes
N58DJ Cessna
T210N
Fixed-wing, single engine Ptc Financial INC
Wilmington, Delaware
Special flight permit 2014-02-18 ValidFAA registration status code V: Valid registration. All codes
N777DL Cessna
P210N
Fixed-wing, single engine Shamrock Kelly Energy INC
Blanco, Texas
Standard 2014-02-14 ValidFAA registration status code V: Valid registration. All codes
N2075J Cessna
T188C
Fixed-wing, single engine L & L Flying INC
Glen Allan, Mississippi
Restricted 2014-02-13 ValidFAA registration status code V: Valid registration. All codes
N100LL Cessna
414
Fixed-wing, multi-engine Premiere Brand Meats
Shasta Lake, California
Standard 2014-02-11 ValidFAA registration status code V: Valid registration. All codes
N94244 Cessna
T210L
Fixed-wing, single engine Individual owner
Washington
Standard 2014-02-11 ValidFAA registration status code V: Valid registration. All codes
N1005B Piper
PA-46-310P
Fixed-wing, single engine Co-owned owner
Oregon
Standard 2014-01-28 ValidFAA registration status code V: Valid registration. All codes
N8409Q Cessna
TU206F
Fixed-wing, single engine Individual owner
Michigan
Standard 2014-01-21 ValidFAA registration status code V: Valid registration. All codes
N199TK Cessna
P210N
Fixed-wing, single engine Dangel LLC
Hailey, Idaho
Standard 2014-01-16 ValidFAA registration status code V: Valid registration. All codes
N5277P Cessna
T210M
Fixed-wing, single engine Individual owner
Texas
Standard 2014-01-16 ValidFAA registration status code V: Valid registration. All codes
N72LR Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Individual owner
Texas
Standard 2014-01-03 ValidFAA registration status code V: Valid registration. All codes
N6278Y Cessna
T210N
Fixed-wing, single engine Town & Country Aviation LLC
Sunnyvale, California
Standard 2014-01-02 ValidFAA registration status code V: Valid registration. All codes
N21234 Cessna
340A
Fixed-wing, multi-engine Positive Rate LLC
Kenosha, Wisconsin
Standard 2013-12-20 ValidFAA registration status code V: Valid registration. All codes
N4677N Cessna
414A
Fixed-wing, multi-engine Lps Equipment and Acquisition CO INC
Clarksburg, Tennessee
Standard 2013-12-19 ValidFAA registration status code V: Valid registration. All codes
N69425 Cessna
340
Fixed-wing, multi-engine Zanek Foundation
Wilmington, Delaware
Standard 2013-12-17 ValidFAA registration status code V: Valid registration. All codes
N565RA Cessna
T210M
Fixed-wing, single engine N565Ra LLC
Elbert, Colorado
Standard 2013-12-16 ValidFAA registration status code V: Valid registration. All codes
N466CA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2013-12-12 ValidFAA registration status code V: Valid registration. All codes
N761HE Cessna
T210M
Fixed-wing, single engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2013-12-11 ValidFAA registration status code V: Valid registration. All codes
N739M Cessna
P210N
Fixed-wing, single engine Caurus Power INC
Santa Rosa, California
Standard 2013-12-10 ValidFAA registration status code V: Valid registration. All codes
N206XP Cessna
TU206G
Fixed-wing, single engine Airborne Flyer LLC
Ashland, New Hampshire
Standard 2013-12-09 ValidFAA registration status code V: Valid registration. All codes
N477RS Cessna
402C
Fixed-wing, multi-engine Sundbird Airlines INC
San Juan, Puerto Rico
Standard 2013-11-25 ValidFAA registration status code V: Valid registration. All codes
N79DS Beech
B36TC
Fixed-wing, single engine Bonanza Air Ventures LLC
Mammoth Lakes, California
Standard 2013-11-19 ValidFAA registration status code V: Valid registration. All codes
N5768S Cessna
340
Fixed-wing, multi-engine 3C LLC
Waukee, Iowa
Standard 2013-11-18 ValidFAA registration status code V: Valid registration. All codes
N732PQ Cessna
T210M
Fixed-wing, single engine Individual owner
Texas
Standard 2013-11-07 ValidFAA registration status code V: Valid registration. All codes
N152JP Beech
V35
Fixed-wing, single engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2013-11-05 ValidFAA registration status code V: Valid registration. All codes
N2498S Cessna
T210L
Fixed-wing, single engine Co-owned owner
Florida
Standard 2013-11-04 ValidFAA registration status code V: Valid registration. All codes
N121PE Beech
B36TC
Fixed-wing, single engine Individual owner
Texas
Standard 2013-10-30 ValidFAA registration status code V: Valid registration. All codes
N615PC Cessna
340A
Fixed-wing, multi-engine Burning Blue LLC
Greenwood, Mississippi
Standard 2013-10-30 ValidFAA registration status code V: Valid registration. All codes
N6419B Cessna
T210M
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2013-10-17 ValidFAA registration status code V: Valid registration. All codes
N210WT Cessna
T210L
Fixed-wing, single engine Individual owner
Washington
Standard 2013-09-26 ValidFAA registration status code V: Valid registration. All codes
N5401X Cessna
TU206G
Fixed-wing, single engine Co-owned owner
New Mexico
Standard 2013-09-19 ValidFAA registration status code V: Valid registration. All codes
N7485Q Cessna
TU206F
Fixed-wing, single engine Co-owned owner
New Hampshire
Standard 2013-09-19 ValidFAA registration status code V: Valid registration. All codes
N900TC Cessna
340A
Fixed-wing, multi-engine Individual owner
California
Standard 2013-09-12 ValidFAA registration status code V: Valid registration. All codes
N17AM Cessna
414
Fixed-wing, multi-engine Farmdog Aviation LLC
Lafayette, Indiana
Standard 2013-09-11 ValidFAA registration status code V: Valid registration. All codes
N402HG Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2013-09-10 ValidFAA registration status code V: Valid registration. All codes
N16AX Cessna
T210N
Fixed-wing, single engine Individual owner
Texas
Standard 2013-09-09 ValidFAA registration status code V: Valid registration. All codes
N283RD Cessna
T210N
Fixed-wing, single engine Co-owned owner
Washington
Standard 2013-09-09 ValidFAA registration status code V: Valid registration. All codes
N7386C Cessna
TU206G
Fixed-wing, single engine Agro Engineering INC
Alamosa, Colorado
Standard 2013-09-09 ValidFAA registration status code V: Valid registration. All codes
N6102W Cessna
P210N
Fixed-wing, single engine Plane Blessings LLC
Montrose, Colorado
Standard 2013-08-29 ValidFAA registration status code V: Valid registration. All codes
N29CC Beech
58P
Fixed-wing, multi-engine Safford Aviation Service INC
Coolidge, Arizona
Standard 2013-08-14 ValidFAA registration status code V: Valid registration. All codes
N1655X Cessna
T210L
Fixed-wing, single engine Individual owner
Nevada
Standard 2013-08-12 ValidFAA registration status code V: Valid registration. All codes
N886BA Cessna
340A
Fixed-wing, multi-engine Individual owner
Illinois
Standard 2013-08-09 ValidFAA registration status code V: Valid registration. All codes
N3802N Beech
A36TC
Fixed-wing, single engine Co-owned owner
Kansas
Standard 2013-08-06 ValidFAA registration status code V: Valid registration. All codes
N60DM Cessna
340A
Fixed-wing, multi-engine Datom INC
Culver City, California
Standard 2013-07-30 ValidFAA registration status code V: Valid registration. All codes
N211L Cessna
T210N
Fixed-wing, single engine R & G Schatz Farms INC
Lockeford, California
Standard 2013-07-16 ValidFAA registration status code V: Valid registration. All codes
N256CA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 2013-07-09 ValidFAA registration status code V: Valid registration. All codes
N401SX Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 2013-07-09 ValidFAA registration status code V: Valid registration. All codes
N988DM Cessna
340A
Fixed-wing, multi-engine Co-owned owner
California
Standard 2013-07-03 ValidFAA registration status code V: Valid registration. All codes
N8725Q Cessna
TU206F
Fixed-wing, single engine N8725Q LLC
Grand Junction, Colorado
Standard 2013-06-26 ValidFAA registration status code V: Valid registration. All codes
N55AB Cessna
T310R
Fixed-wing, multi-engine Individual owner
Texas
Standard 2013-06-25 ValidFAA registration status code V: Valid registration. All codes
N761RE Cessna
T210M
Fixed-wing, single engine Individual owner
Utah
Standard 2013-06-21 ValidFAA registration status code V: Valid registration. All codes
N1634X Cessna
T210L
Fixed-wing, single engine Badwater Ranch INC
Lysite, Wyoming
Standard 2013-06-12 ValidFAA registration status code V: Valid registration. All codes
N76CW Cessna
310R
Fixed-wing, multi-engine Yatahey LLC
Middletown, Delaware
Standard 2013-06-11 ValidFAA registration status code V: Valid registration. All codes
N775Z Beech
58P
Fixed-wing, multi-engine Hundal Medical CORP
Malibu, California
Standard 2013-06-11 ValidFAA registration status code V: Valid registration. All codes
N9167M Piper
PA-46-310P
Fixed-wing, single engine Malibu Rising LLC
Phoenix, Arizona
Standard 2013-06-07 ValidFAA registration status code V: Valid registration. All codes
N5264C Cessna
T210N
Fixed-wing, single engine Cullum Transportation LLC
North Charleston, South Carolina
Standard 2013-06-04 ValidFAA registration status code V: Valid registration. All codes
N69983 Cessna
T310Q
Fixed-wing, multi-engine Ruble Air LLC
Mechanicsburg, Pennsylvania
Standard 2013-06-03 ValidFAA registration status code V: Valid registration. All codes
N6614C Cessna
414A
Fixed-wing, multi-engine Bg Air CORP
Wilmington, Delaware
Standard 2013-05-30 ValidFAA registration status code V: Valid registration. All codes
N14CX Piper
PA-46-310P
Fixed-wing, single engine Vortac LLC
Traverse City, Michigan
Standard 2013-05-29 ValidFAA registration status code V: Valid registration. All codes
N5106C Cessna
T210N
Fixed-wing, single engine Quest Aviation INC
Lake City, Florida
Standard 2013-05-28 ValidFAA registration status code V: Valid registration. All codes
N888SA Cessna
T210M
Fixed-wing, single engine Individual owner
Idaho
Standard 2013-05-15 ValidFAA registration status code V: Valid registration. All codes
N6433X Cessna
TU206G
Fixed-wing, single engine Individual owner
Colorado
Standard 2013-05-10 ValidFAA registration status code V: Valid registration. All codes
N532C Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Individual owner
Arizona
Standard 2013-05-09 ValidFAA registration status code V: Valid registration. All codes
N732CR Cessna
T210L
Fixed-wing, single engine Global Energy Werks LLC
Ely, Minnesota
Standard 2013-05-01 ValidFAA registration status code V: Valid registration. All codes
N663AA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 2013-04-29 ValidFAA registration status code V: Valid registration. All codes
N603ET Cessna
TU206F
Fixed-wing, single engine Sanborn Map CO
Colorado Springs, Colorado
Standard 2013-04-24 ValidFAA registration status code V: Valid registration. All codes
N3405Q Cessna
320E
Fixed-wing, multi-engine Individual owner
Washington
Standard 2013-04-19 ValidFAA registration status code V: Valid registration. All codes
N6817D Cessna
414A
Fixed-wing, multi-engine Individual owner
Louisiana
Standard 2013-04-16 ValidFAA registration status code V: Valid registration. All codes
N7590N Cessna
TU206G
Fixed-wing, single engine Individual owner
Idaho
Standard 2013-04-15 ValidFAA registration status code V: Valid registration. All codes
N333HR Cessna
T210L
Fixed-wing, single engine Individual owner
Colorado
Standard 2013-04-12 ValidFAA registration status code V: Valid registration. All codes
N210WC Cessna
T210N
Fixed-wing, single engine Individual owner
Texas
Standard 2013-04-05 ValidFAA registration status code V: Valid registration. All codes
N26030 Piper
PA-46-310P
Fixed-wing, single engine Lessing Aviation LLC
Denver, Colorado
Standard 2013-04-04 ValidFAA registration status code V: Valid registration. All codes
N4429L Cessna
T210N
Fixed-wing, single engine Shingebiss LLC
Independence, Oregon
Standard 2013-04-03 ValidFAA registration status code V: Valid registration. All codes
N92CK Cessna
P210N
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2013-03-28 ValidFAA registration status code V: Valid registration. All codes
N969SL Cessna
T210L
Fixed-wing, single engine Individual owner
Idaho
Standard 2013-03-26 ValidFAA registration status code V: Valid registration. All codes
N316RW Cessna
T210N
Fixed-wing, single engine Four States Tire & Service INC
Cortez, Colorado
Standard 2013-03-20 ValidFAA registration status code V: Valid registration. All codes
N393DW Cessna
TU206G
Fixed-wing, single engine 3 Delta Whiskey LLC
Superior, Wisconsin
Standard 2013-03-20 ValidFAA registration status code V: Valid registration. All codes
N6384X Cessna
402B
Fixed-wing, multi-engine Pro Aire Cargo & Consulting INC
Oshkosh, Wisconsin
Standard 2013-03-15 ValidFAA registration status code V: Valid registration. All codes
N5931M Cessna
340
Fixed-wing, multi-engine Steven F Danz LLC
Encino, California
Standard 2013-03-13 ValidFAA registration status code V: Valid registration. All codes
N18EG Cessna
414
Fixed-wing, multi-engine Boanco INC
Lafayette, Indiana
Standard 2013-03-11 ValidFAA registration status code V: Valid registration. All codes
N210DD Cessna
210L
Fixed-wing, single engine Individual owner
California
Standard 2013-03-05 ValidFAA registration status code V: Valid registration. All codes
N5467A Cessna
T210N
Fixed-wing, single engine Piedmont Air Services LLC
Helena, Montana
Standard 2013-03-04 ValidFAA registration status code V: Valid registration. All codes
N285HP Navion
NAVION A
Fixed-wing, single engine Individual owner
Tennessee
Standard 2013-02-25 ValidFAA registration status code V: Valid registration. All codes
N84PE Beech
58P
Fixed-wing, multi-engine Co-owned owner
California
Standard 2013-02-25 ValidFAA registration status code V: Valid registration. All codes
N88521 Cessna
340A
Fixed-wing, multi-engine Individual owner
Texas
Standard 2013-02-25 ValidFAA registration status code V: Valid registration. All codes
N3796G Cessna
T310R
Fixed-wing, multi-engine Santos Aviation LLC
Chico, California
Standard 2013-02-15 ValidFAA registration status code V: Valid registration. All codes
N24182 Beech
58P
Fixed-wing, multi-engine Robert Yost Enterprises INC DBA
Saint Francis, Kansas
Standard 2013-02-12 ValidFAA registration status code V: Valid registration. All codes
N5313U Cessna
T210N
Fixed-wing, single engine Sky Quest 210 LLC
Clarksdale, Mississippi
Standard 2013-02-12 ValidFAA registration status code V: Valid registration. All codes
N6290N Cessna
340A
Fixed-wing, multi-engine Co-owned owner
Kansas
Standard 2013-02-12 ValidFAA registration status code V: Valid registration. All codes
N731NX Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2013-02-12 ValidFAA registration status code V: Valid registration. All codes
N22232 Cessna
T210L
Fixed-wing, single engine Individual owner
Colorado
Standard 2013-02-06 ValidFAA registration status code V: Valid registration. All codes
N888HL Piper
PA-46-310P
Fixed-wing, single engine Permian Basin Blue Sky INC
Odessa, Texas
Standard 2013-02-05 ValidFAA registration status code V: Valid registration. All codes
N732KQ Cessna
T210M
Fixed-wing, single engine Co-owned owner
Nevada
Standard 2013-02-04 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.