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
N236ST Cessna
401A
Fixed-wing, multi-engine Outdoor Metal Products LLC
Leighton, Alabama
Standard 2022-12-31 ValidFAA registration status code V: Valid registration. All codes
N484SW Cessna
414A
Fixed-wing, multi-engine Elsass Aviation LLC
Fayetteville, Arkansas
Standard 2022-12-31 ValidFAA registration status code V: Valid registration. All codes
N6582P Cessna
P210N
Fixed-wing, single engine Grand High Way LLC
Gallatin, Tennessee
Standard 2022-12-31 ValidFAA registration status code V: Valid registration. All codes
N87MM Cessna
T210
Fixed-wing, single engine Individual owner
Texas
Standard 2022-12-30 ValidFAA registration status code V: Valid registration. All codes
N146BU Piper
PA-46-310P
Fixed-wing, single engine Saltwater Aviation LLC
Friday Harbor, Washington
Standard 2022-12-29 ValidFAA registration status code V: Valid registration. All codes
N1919V Cessna
T303
Fixed-wing, multi-engine High Mountain Properties LLC
Idaho Falls, Idaho
Standard 2022-12-27 ValidFAA registration status code V: Valid registration. All codes
N210AZ Cessna
T210L
Fixed-wing, single engine Aerialtraders LLC
Estero, Florida
Standard 2022-12-27 ValidFAA registration status code V: Valid registration. All codes
N4887Z Cessna
TU206G
Fixed-wing, single engine Jav Air Services LLC
Anchorage, Alaska
Standard 2022-12-27 ValidFAA registration status code V: Valid registration. All codes
N654DE Cessna
T310R
Fixed-wing, multi-engine Co-owned owner
Arizona
Standard 2022-12-27 ValidFAA registration status code V: Valid registration. All codes
N8580Q Cessna
TU206F
Fixed-wing, single engine Bald Eagle Aviation LLC
Oakley, Utah
Standard 2022-12-27 ValidFAA registration status code V: Valid registration. All codes
N36TR Beech
A36TC
Fixed-wing, single engine Individual owner
Utah
Standard 2022-12-26 ValidFAA registration status code V: Valid registration. All codes
N665SC Cessna
340A
Fixed-wing, multi-engine Gold Star Beacon LLC
Sarasota, Florida
Standard 2022-12-26 ValidFAA registration status code V: Valid registration. All codes
N612WP Cessna
T210M
Fixed-wing, single engine Robert A Johnson Construction Lc
High Springs, Florida
Standard 2022-12-23 ValidFAA registration status code V: Valid registration. All codes
N888M Beech
A36TC
Fixed-wing, single engine Bsa Vending
Rohnert Park, California
Standard 2022-12-23 ValidFAA registration status code V: Valid registration. All codes
N190CC Piper
PA-46-310P
Fixed-wing, single engine Wayside LLC
Wilmington, Delaware
Standard 2022-12-22 ValidFAA registration status code V: Valid registration. All codes
N210SS Cessna
T210N
Fixed-wing, single engine Individual owner
Florida
Standard 2022-12-22 ValidFAA registration status code V: Valid registration. All codes
N455JR Beech
A36TC
Fixed-wing, single engine Hinaa Hidaa LLC
Chino Valley, Arizona
Standard 2022-12-22 ValidFAA registration status code V: Valid registration. All codes
N29631 Cessna
T210L
Fixed-wing, single engine Withheld at owner's request
Standard 2022-12-19 ValidFAA registration status code V: Valid registration. All codes
N111RB Cessna
340A
Fixed-wing, multi-engine Clear Skies LLC
Allentown, Pennsylvania
Standard 2022-12-15 ValidFAA registration status code V: Valid registration. All codes
N373D Beech
58P
Fixed-wing, multi-engine High Flight Baron LLC
Holland, Michigan
Standard 2022-12-15 ValidFAA registration status code V: Valid registration. All codes
N732DQ Cessna
T210L
Fixed-wing, single engine Acme Do It Yourself Tornado Kits LLC
Draper, Utah
Standard 2022-12-15 ValidFAA registration status code V: Valid registration. All codes
N969TX Cessna
P210N
Fixed-wing, single engine Mowata Farms LLC
Mamou, Louisiana
Standard 2022-12-13 ValidFAA registration status code V: Valid registration. All codes
N335CM Cessna
414A
Fixed-wing, multi-engine Pura Plastic Surgery LLC
Doral, Florida
Standard 2022-12-12 ValidFAA registration status code V: Valid registration. All codes
N732QC Cessna
T210M
Fixed-wing, single engine Co-owned owner
Utah
Standard 2022-12-12 ValidFAA registration status code V: Valid registration. All codes
N6173R Cessna
T210F
Fixed-wing, single engine Beyer Livestock Auction LLC
Clovis, New Mexico
Standard 2022-12-09 ValidFAA registration status code V: Valid registration. All codes
N1687X Cessna
T210L
Fixed-wing, single engine Individual owner
Wyoming
Standard 2022-12-06 ValidFAA registration status code V: Valid registration. All codes
N347JA Cessna
340A
Fixed-wing, multi-engine Individual owner
Kentucky
Standard 2022-12-06 ValidFAA registration status code V: Valid registration. All codes
N6412X Beech
58P
Fixed-wing, multi-engine Fucaimo LLC
South Pasadena, California
Standard 2022-12-05 ValidFAA registration status code V: Valid registration. All codes
N310LW Cessna
310Q
Fixed-wing, multi-engine My Way Aviation LLC
Weston, Florida
Standard 2022-12-03 ValidFAA registration status code V: Valid registration. All codes
N4872K Cessna
P210N
Fixed-wing, single engine Mike Papa LLC
Newton, Kansas
Standard 2022-12-03 ValidFAA registration status code V: Valid registration. All codes
N6582 Cessna
340A
Fixed-wing, multi-engine Phoenix Aviation LLC
Bonaire, Georgia
Standard 2022-12-03 ValidFAA registration status code V: Valid registration. All codes
N999RK Cessna
414
Fixed-wing, multi-engine Tcg Aviation LLC
Pelham, Alabama
Standard 2022-12-02 ValidFAA registration status code V: Valid registration. All codes
N509RS Cessna
414A
Fixed-wing, multi-engine Half Shell Aviation LLC
Highlands Ranch, Colorado
Standard 2022-12-01 ValidFAA registration status code V: Valid registration. All codes
N6131X Cessna
T310R
Fixed-wing, multi-engine Gv Air INC
Medford, Oregon
Standard 2022-12-01 ValidFAA registration status code V: Valid registration. All codes
N3850G Cessna
340A
Fixed-wing, multi-engine N3850G LLC
Stamford, Connecticut
Standard 2022-11-30 ValidFAA registration status code V: Valid registration. All codes
N6319X Cessna
340A
Fixed-wing, multi-engine Individual owner
Oregon
Standard 2022-11-30 ValidFAA registration status code V: Valid registration. All codes
N761YH Cessna
T210M
Fixed-wing, single engine Arnett Family INC
Mesa, Arizona
Standard 2022-11-30 ValidFAA registration status code V: Valid registration. All codes
N2201U Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Chrisara Investments LLC
Carson City, Nevada
Standard 2022-11-29 ValidFAA registration status code V: Valid registration. All codes
N726HS Cessna
TU206G
Fixed-wing, single engine Spmhrt 206 LLC
East Bernard, Texas
Standard 2022-11-29 ValidFAA registration status code V: Valid registration. All codes
N8576Q Cessna
TU206F
Fixed-wing, single engine Co-owned owner
Oklahoma
Standard 2022-11-29 ValidFAA registration status code V: Valid registration. All codes
N239EL Cessna
414
Fixed-wing, multi-engine Dingman Marine LLC
Orlando, Florida
Standard 2022-11-23 ValidFAA registration status code V: Valid registration. All codes
N209KS Cessna
P210N
Fixed-wing, single engine Individual owner
Wyoming
Standard 2022-11-21 ValidFAA registration status code V: Valid registration. All codes
N6476W Cessna
P210N
Fixed-wing, single engine Will Investments INC
Englewood, Colorado
Standard 2022-11-19 ValidFAA registration status code V: Valid registration. All codes
N8188Q Cessna
T310Q
Fixed-wing, multi-engine I Will Rise LLC
Chattanooga, Tennessee
Standard 2022-11-19 ValidFAA registration status code V: Valid registration. All codes
N441TP Cessna
414A
Fixed-wing, multi-engine United Contractors INC
Costa Mesa, California
Standard 2022-11-18 ValidFAA registration status code V: Valid registration. All codes
N756EN Cessna
TU206G
Fixed-wing, single engine U206 Sky LLC
Pompano Beach, Florida
Standard 2022-11-18 ValidFAA registration status code V: Valid registration. All codes
N117P Cessna
T210L
Fixed-wing, single engine Co-owned owner
Kansas
Standard 2022-11-17 ValidFAA registration status code V: Valid registration. All codes
N732ZZ Cessna
T210M
Fixed-wing, single engine Dakota Aerial Ministries
Fargo, North Dakota
Standard 2022-11-17 ValidFAA registration status code V: Valid registration. All codes
N69PB Cessna
402B
Fixed-wing, multi-engine Aerocraft Papa Bravo LLC
Hallandale, Florida
Standard 2022-11-16 ValidFAA registration status code V: Valid registration. All codes
N340AJ Cessna
340A
Fixed-wing, multi-engine Listo Aviation LLC
Chelsea, Alabama
Standard 2022-11-14 ValidFAA registration status code V: Valid registration. All codes
N8598Q Cessna
TU206F
Fixed-wing, single engine Individual owner
Colorado
Standard 2022-11-11 ValidFAA registration status code V: Valid registration. All codes
N9940F Cessna
340
Fixed-wing, multi-engine Harvey Air LLC
Arlington, Tennessee
Standard 2022-11-11 ValidFAA registration status code V: Valid registration. All codes
N6375X Cessna
402B
Fixed-wing, multi-engine Miliano Air LLC
Lewes, Delaware
Standard 2022-11-10 ValidFAA registration status code V: Valid registration. All codes
N839HF Cessna
P210N
Fixed-wing, single engine Four Boys Flying LLC
Kalispell, Montana
Standard 2022-11-08 ValidFAA registration status code V: Valid registration. All codes
N77RA Cessna
T210N
Fixed-wing, single engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2022-11-07 ValidFAA registration status code V: Valid registration. All codes
N707BW Cessna
340A
Fixed-wing, multi-engine Drago Air LLC
Mulberry, Indiana
Standard 2022-11-05 ValidFAA registration status code V: Valid registration. All codes
N4440K Cessna
421B
Fixed-wing, multi-engine Kate & Jennifer Airlines LLC
Tampa, Florida
Standard 2022-11-04 ValidFAA registration status code V: Valid registration. All codes
N800JC Beech
58TC
Fixed-wing, multi-engine Thomas Bonner Enterprises LLC
Lubbock, Texas
Standard 2022-11-04 ValidFAA registration status code V: Valid registration. All codes
N4635G Cessna
414
Fixed-wing, multi-engine N535J LLC
Bismarck, North Dakota
Standard 2022-11-03 ValidFAA registration status code V: Valid registration. All codes
N4761A Cessna
P210N
Fixed-wing, single engine Individual owner
California
Standard 2022-11-02 ValidFAA registration status code V: Valid registration. All codes
N1637T Cessna
414
Fixed-wing, multi-engine Individual owner
Texas
Standard 2022-10-31 ValidFAA registration status code V: Valid registration. All codes
N711PJ Cessna
210L
Fixed-wing, single engine Co-owned owner
Arkansas
Standard 2022-10-31 ValidFAA registration status code V: Valid registration. All codes
N310AR Cessna
310R
Fixed-wing, multi-engine Hales Gutter Guys LLC
Cottonwood, Arizona
Standard 2022-10-29 ValidFAA registration status code V: Valid registration. All codes
N6269N Cessna
340A
Fixed-wing, multi-engine Juliet Tango Capital LLC
Saginaw, Michigan
Standard 2022-10-29 ValidFAA registration status code V: Valid registration. All codes
N742NE Beech
58TC
Fixed-wing, multi-engine Individual owner
Georgia
Standard 2022-10-28 ValidFAA registration status code V: Valid registration. All codes
N881PJ Cessna
T310Q
Fixed-wing, multi-engine Individual owner
Mississippi
Standard 2022-10-28 ValidFAA registration status code V: Valid registration. All codes
N2SL Cessna
T210M
Fixed-wing, single engine Lowe Aviation LLC
Bountiful, Utah
Standard 2022-10-26 ValidFAA registration status code V: Valid registration. All codes
N3136X Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Individual owner
Washington
Standard 2022-10-26 ValidFAA registration status code V: Valid registration. All codes
N26RS Cessna
P210N
Fixed-wing, single engine Stacey Enterprises INC
Ogden, Utah
Standard 2022-10-25 ValidFAA registration status code V: Valid registration. All codes
N424PC Cessna
340A
Fixed-wing, multi-engine Montana Livestock AG Credit INC
Helena, Montana
Standard 2022-10-25 ValidFAA registration status code V: Valid registration. All codes
N564RR Cessna
T303
Fixed-wing, multi-engine Alpha Romeo Aviation LLC
Newark, Delaware
Standard 2022-10-25 ValidFAA registration status code V: Valid registration. All codes
N6131A Cessna
T210N
Fixed-wing, single engine Individual owner
Idaho
Standard 2022-10-25 ValidFAA registration status code V: Valid registration. All codes
N24CH Cessna
T210L
Fixed-wing, single engine Individual owner
California
Standard 2022-10-24 ValidFAA registration status code V: Valid registration. All codes
N415WZ Cessna
340A
Fixed-wing, multi-engine Crimson Leasing LLC
Lenexa, Kansas
Standard 2022-10-21 ValidFAA registration status code V: Valid registration. All codes
N6646Z Beech
58P
Fixed-wing, multi-engine N1437A LLC
Delray Beach, Florida
Standard 2022-10-21 ValidFAA registration status code V: Valid registration. All codes
N6680G Beech
58P
Fixed-wing, multi-engine Horst Commercial Ventures LLC
Sanger, Texas
Standard 2022-10-20 ValidFAA registration status code V: Valid registration. All codes
N46CS Cessna
P210N
Fixed-wing, single engine Plane Fun INC Tr Trustee
Snellville, Georgia
Standard 2022-10-18 ValidFAA registration status code V: Valid registration. All codes
N6553V Beech
V35A
Fixed-wing, single engine 44Hw LLC
Shreveport, Louisiana
Standard 2022-10-18 ValidFAA registration status code V: Valid registration. All codes
N6SQ Cessna
T310Q
Fixed-wing, multi-engine Co-owned owner
California
Standard 2022-10-18 ValidFAA registration status code V: Valid registration. All codes
N125TC Beech
58P
Fixed-wing, multi-engine Individual owner
Oregon
Standard 2022-10-17 ValidFAA registration status code V: Valid registration. All codes
N61170 Cessna
T210L
Fixed-wing, single engine Rusty Pilot Holdings LLC
Citrus Heights, California
Standard 2022-10-17 ValidFAA registration status code V: Valid registration. All codes
N8234M Beech
B36TC
Fixed-wing, single engine Co-owned owner
Louisiana
Standard 2022-10-17 ValidFAA registration status code V: Valid registration. All codes
N31RT Cessna
414
Fixed-wing, multi-engine Papuchin LLC
Highwood, Illinois
Standard 2022-10-15 ValidFAA registration status code V: Valid registration. All codes
N4376A Piper
PA-46-310P
Fixed-wing, single engine Individual owner
Georgia
Standard 2022-10-15 ValidFAA registration status code V: Valid registration. All codes
N212HR Cessna
T303
Fixed-wing, multi-engine Export Aviation LLC
Santa Fe, New Mexico
Standard 2022-10-14 ValidFAA registration status code V: Valid registration. All codes
N89KB Beech
A36TC
Fixed-wing, single engine Jet Sense Aviation Aircraft Holdings CORP
Burlington, Wisconsin
Standard 2022-10-14 ValidFAA registration status code V: Valid registration. All codes
N333AM Cessna
414
Fixed-wing, multi-engine Individual owner
California
Standard 2022-10-13 ValidFAA registration status code V: Valid registration. All codes
N25CX Piper
PA-46-310P
Fixed-wing, single engine Visair II LLC
Canton, Ohio
Standard 2022-10-08 ValidFAA registration status code V: Valid registration. All codes
N414NC Cessna
414A
Fixed-wing, multi-engine N6577Juliet LLC
Canton, Georgia
Standard 2022-10-06 ValidFAA registration status code V: Valid registration. All codes
N6553Y Cessna
T210N
Fixed-wing, single engine Centurion Aero LLC
Coos Bay, Oregon
Standard 2022-10-05 ValidFAA registration status code V: Valid registration. All codes
N6746R Cessna
T210F
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2022-10-04 ValidFAA registration status code V: Valid registration. All codes
N794PC Cessna
414A
Fixed-wing, multi-engine Flioway LLC
Iowa City, Iowa
Standard 2022-10-01 ValidFAA registration status code V: Valid registration. All codes
N505CN Cessna
414A
Fixed-wing, multi-engine Les Amis Air LLC
Dorado, Puerto Rico
Standard 2022-09-30 ValidFAA registration status code V: Valid registration. All codes
N997CH Cessna
T210R
Fixed-wing, single engine Holly Ridge Planting
Indianola, Mississippi
Standard 2022-09-30 ValidFAA registration status code V: Valid registration. All codes
N411TT Cessna
T210L
Fixed-wing, single engine Individual owner
New Mexico
Standard 2022-09-27 ValidFAA registration status code V: Valid registration. All codes
N283TB Cessna
TU206G
Fixed-wing, single engine Individual owner
Colorado
Standard 2022-09-23 ValidFAA registration status code V: Valid registration. All codes
N44HA Piper
PA-46-310P
Fixed-wing, single engine Laps LLC
Elkhorn, Wisconsin
Standard 2022-09-22 ValidFAA registration status code V: Valid registration. All codes
N169JM Cessna
P210N
Fixed-wing, single engine Bravo Alpha LLC
Driggs, Idaho
Standard 2022-09-21 ValidFAA registration status code V: Valid registration. All codes
N351HC Cessna
414A
Fixed-wing, multi-engine Big Elk Aviation LLC
Elk City, Oklahoma
Standard 2022-09-19 ValidFAA registration status code V: Valid registration. All codes
N6692R Beech
A36TC
Fixed-wing, single engine Toga LLC
Scottsdale, Arizona
Standard 2022-09-19 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.