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
N793LM Beech
V35B
Fixed-wing, single engine Individual owner
Arizona
Standard 2010-03-30 ValidFAA registration status code V: Valid registration. All codes
N6470Y Cessna
T210N
Fixed-wing, single engine Skyhigh Enterprises LLC
Holland, Michigan
Standard 2010-03-24 ValidFAA registration status code V: Valid registration. All codes
N9046F Cessna
T210N
Fixed-wing, single engine Centurion Aviation LLC
Lewes, Delaware
Standard 2010-03-23 ValidFAA registration status code V: Valid registration. All codes
N70570 Cessna
TU206F
Fixed-wing, single engine Miel del Rio Grande INC
Monte Vista, Colorado
Standard 2010-03-04 ValidFAA registration status code V: Valid registration. All codes
N4609U Cessna
TU206G
Fixed-wing, single engine Jerden CORP
Overland Park, Kansas
Standard 2010-03-03 ValidFAA registration status code V: Valid registration. All codes
N701PS Cessna
T210M
Fixed-wing, single engine Lucky US LLC
Merrill, Wisconsin
Standard 2010-02-25 ValidFAA registration status code V: Valid registration. All codes
N211DG Beech
B36TC
Fixed-wing, single engine Steel Crazy LLC
Page, Arizona
Standard 2010-02-24 ValidFAA registration status code V: Valid registration. All codes
N72006 Beech
58P
Fixed-wing, multi-engine Co-owned owner
Texas
Standard 2010-02-18 ValidFAA registration status code V: Valid registration. All codes
N6826Q Beech
S35
Fixed-wing, single engine Beechcraft Heritage Museum
Tullahoma, Tennessee
Experimental 2010-02-09 ValidFAA registration status code V: Valid registration. All codes
N732XF Cessna
T210M
Fixed-wing, single engine Wwabfa LLC
Dallas, Texas
Standard 2010-02-05 ValidFAA registration status code V: Valid registration. All codes
N1850J Beech
A36TC
Fixed-wing, single engine Wailea Aircraft LLC
Kamuela, Hawaii
Standard 2010-02-02 ValidFAA registration status code V: Valid registration. All codes
N6270X Cessna
TU206G
Fixed-wing, single engine Individual owner
Arizona
Standard 2010-02-01 ValidFAA registration status code V: Valid registration. All codes
N96335 Beech
B36TC
Fixed-wing, single engine Individual owner
California
Standard 2010-01-27 ValidFAA registration status code V: Valid registration. All codes
N110KM Cessna
T210N
Fixed-wing, single engine Cars Planes and Land LLC
Fuquay Varina, North Carolina
Standard 2010-01-19 ValidFAA registration status code V: Valid registration. All codes
N7303N Cessna
T210N
Fixed-wing, single engine Co-owned owner
Texas
Standard 2010-01-13 ValidFAA registration status code V: Valid registration. All codes
N732KP Cessna
T210M
Fixed-wing, single engine B&M Aviation LLC
Montgomery, Texas
Standard 2010-01-12 ValidFAA registration status code V: Valid registration. All codes
N959TX Cessna
414A
Fixed-wing, multi-engine Co-owned owner
Texas
Standard 2010-01-12 ValidFAA registration status code V: Valid registration. All codes
N577KB Raytheon Aircraft Company
B36TC
Fixed-wing, single engine David A Bush INC
Hanford, California
Standard 2010-01-08 ValidFAA registration status code V: Valid registration. All codes
N606RE Beech
58P
Fixed-wing, multi-engine Pebblebrook Aviation LLC
Ellinwood, Kansas
Standard 2009-12-08 ValidFAA registration status code V: Valid registration. All codes
N881TJ Cessna
414
Fixed-wing, multi-engine Individual owner
Texas
Standard 2009-11-17 ValidFAA registration status code V: Valid registration. All codes
N160PB Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 2009-10-22 ValidFAA registration status code V: Valid registration. All codes
N1806D Beech
58P
Fixed-wing, multi-engine Gold Coast Logistics LLC
St Simons Island, Georgia
Standard 2009-10-16 ValidFAA registration status code V: Valid registration. All codes
N1028R Cessna
P210N
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2009-10-08 ValidFAA registration status code V: Valid registration. All codes
N301EB Cessna
T210M
Fixed-wing, single engine Individual owner
California
Standard 2009-10-08 ValidFAA registration status code V: Valid registration. All codes
N1181Q Cessna
T210L
Fixed-wing, single engine Fly 4 Food INC
Wilmington, Delaware
Standard 2009-10-05 ValidFAA registration status code V: Valid registration. All codes
N4630N Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 2009-10-02 ValidFAA registration status code V: Valid registration. All codes
N4623F Cessna
TP206A
Fixed-wing, single engine Individual owner
Michigan
Standard 2009-09-30 ValidFAA registration status code V: Valid registration. All codes
N5340Y Cessna
T210N
Fixed-wing, single engine Co-owned owner
California
Standard 2009-09-25 ValidFAA registration status code V: Valid registration. All codes
N3333M Cessna
340A
Fixed-wing, multi-engine Fun Tickets LLC
Manchester, Maine
Standard 2009-09-14 ValidFAA registration status code V: Valid registration. All codes
N121GP Piper
PA-46-310P
Fixed-wing, single engine Taft Diversified LLC
Springfield, Illinois
Standard 2009-09-11 ValidFAA registration status code V: Valid registration. All codes
N6765T Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 2009-09-11 ValidFAA registration status code V: Valid registration. All codes
N761FC Cessna
T210M
Fixed-wing, single engine Frenchman Valley Produce INC
Imperial, Nebraska
Standard 2009-08-25 ValidFAA registration status code V: Valid registration. All codes
N8637K Cessna
340A
Fixed-wing, multi-engine Commonwealth Capital CORP
Wilmington, Delaware
Standard 2009-08-19 ValidFAA registration status code V: Valid registration. All codes
N6344Y Cessna
T210N
Fixed-wing, single engine Individual owner
North Carolina
Standard 2009-08-17 ValidFAA registration status code V: Valid registration. All codes
N722EL Cessna
T210N
Fixed-wing, single engine Individual owner
Oregon
Standard 2009-07-20 ValidFAA registration status code V: Valid registration. All codes
N51CX Cessna
340A
Fixed-wing, multi-engine Aerodata LLC
Ann Arbor, Michigan
Restricted 2009-07-17 ValidFAA registration status code V: Valid registration. All codes
N36KP Beech
B36TC
Fixed-wing, single engine Air Lease INC
Bridgeport, West Virginia
Standard 2009-07-16 ValidFAA registration status code V: Valid registration. All codes
N220WB Cessna
T210L
Fixed-wing, single engine Wells Propane INC
Wells, Nevada
Standard 2009-06-24 ValidFAA registration status code V: Valid registration. All codes
N9307Y Cessna
T210N
Fixed-wing, single engine Individual owner
Colorado
Standard 2009-06-23 ValidFAA registration status code V: Valid registration. All codes
N78MK Cessna
T210M
Fixed-wing, single engine Nelleh LLC
Liberal, Kansas
Standard 2009-06-22 ValidFAA registration status code V: Valid registration. All codes
N41AY Cessna
T310R
Fixed-wing, multi-engine Hunterdon Aviation INC
Ringoes, New Jersey
Standard 2009-05-20 ValidFAA registration status code V: Valid registration. All codes
N4763G Cessna
414
Fixed-wing, multi-engine Gamma Transport Solutions INC
Carrollton, Texas
Standard 2009-04-28 ValidFAA registration status code V: Valid registration. All codes
N79AP Beech
58P
Fixed-wing, multi-engine High Tide Aviation LLC
Naples, Florida
Standard 2009-04-28 ValidFAA registration status code V: Valid registration. All codes
N34KM Beech
A36TC
Fixed-wing, single engine Bravo Adventures LLC
Scottsdale, Arizona
Standard 2009-04-14 ValidFAA registration status code V: Valid registration. All codes
N6417N Cessna
T210N
Fixed-wing, single engine Individual owner
California
Standard 2009-03-31 ValidFAA registration status code V: Valid registration. All codes
N42WB Cessna
P210N
Fixed-wing, single engine City of Mesa Arizona
Mesa, Arizona
Standard 2009-03-24 ValidFAA registration status code V: Valid registration. All codes
N687SA Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Individual owner
Utah
Standard 2009-03-23 ValidFAA registration status code V: Valid registration. All codes
N36887 Cessna
414A
Fixed-wing, multi-engine Aa Aircraft Adventure LLC
Joplin, Missouri
Standard 2009-03-20 ValidFAA registration status code V: Valid registration. All codes
N210LF Cessna
P210N
Fixed-wing, single engine Golden West Flyers INC
Turpin, Oklahoma
Standard 2009-03-19 ValidFAA registration status code V: Valid registration. All codes
N6180N Cessna
T210M
Fixed-wing, single engine Individual owner
California
Standard 2009-02-25 ValidFAA registration status code V: Valid registration. All codes
N682JD Cessna
414A
Fixed-wing, multi-engine Windward Air LLC
Orlando, Florida
Standard 2009-02-10 ValidFAA registration status code V: Valid registration. All codes
N92DS Cessna
T210L
Fixed-wing, single engine Individual owner
Idaho
Standard 2009-02-09 ValidFAA registration status code V: Valid registration. All codes
N9026M Cessna
T210M
Fixed-wing, single engine Individual owner
Texas
Standard 2009-01-29 ValidFAA registration status code V: Valid registration. All codes
N4636K Cessna
P210N
Fixed-wing, single engine Advanced Database Designs LLC
San Ramon, California
Standard 2009-01-23 ValidFAA registration status code V: Valid registration. All codes
N401AZ Cessna
401B
Fixed-wing, multi-engine Tre Aviation CORP
Wilmington, Delaware
Standard 2009-01-22 ValidFAA registration status code V: Valid registration. All codes
N789BD Cessna
T310Q
Fixed-wing, multi-engine Troy Farms LP
Delano, California
Standard 2009-01-22 ValidFAA registration status code V: Valid registration. All codes
N456ST Cessna
414
Fixed-wing, multi-engine Individual owner
California
Standard 2009-01-21 ValidFAA registration status code V: Valid registration. All codes
N36YM Beech
B36TC
Fixed-wing, single engine Rankay Air LLC
Sanger, California
Standard 2009-01-07 ValidFAA registration status code V: Valid registration. All codes
N6828R Cessna
340A
Fixed-wing, multi-engine Daves Aircraft LLC
Eden, North Carolina
Standard 2009-01-07 ValidFAA registration status code V: Valid registration. All codes
N6211B Cessna
T210M
Fixed-wing, single engine Individual owner
California
Standard 2009-01-02 ValidFAA registration status code V: Valid registration. All codes
N3839R Beech
A36TC
Fixed-wing, single engine Chad Gunter Enterprises LLC
Albany, Georgia
Standard 2008-12-17 ValidFAA registration status code V: Valid registration. All codes
N6680B Cessna
T210M
Fixed-wing, single engine Individual owner
Florida
Standard 2008-12-11 ValidFAA registration status code V: Valid registration. All codes
N2266S Cessna
T210L
Fixed-wing, single engine Weekend Air LLC
Incline Village, Nevada
Standard 2008-11-10 ValidFAA registration status code V: Valid registration. All codes
N1605M Cessna
T210M
Fixed-wing, single engine Co-owned owner
California
Standard 2008-11-04 ValidFAA registration status code V: Valid registration. All codes
N761BZ Cessna
T210M
Fixed-wing, single engine Altair Aircraft LLC
Gainesville, Florida
Standard 2008-11-04 ValidFAA registration status code V: Valid registration. All codes
N671TC Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Co-owned owner
Washington
Standard 2008-10-27 ValidFAA registration status code V: Valid registration. All codes
N57TW Beech
B36TC
Fixed-wing, single engine Bc & Tw Flying Service LLC
Hot Springs, Arkansas
Standard 2008-10-23 ValidFAA registration status code V: Valid registration. All codes
N340EM Cessna
340A
Fixed-wing, multi-engine Biotech Aviation LLC
Rio Rancho, New Mexico
Standard 2008-10-22 ValidFAA registration status code V: Valid registration. All codes
N7774B Cessna
TU206C
Fixed-wing, single engine Adair Aviation LLC
Broken Arrow, Oklahoma
Standard 2008-10-22 ValidFAA registration status code V: Valid registration. All codes
N26156 Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 2008-10-16 ValidFAA registration status code V: Valid registration. All codes
N310DH Cessna
T310Q
Fixed-wing, multi-engine Individual owner
California
Standard 2008-09-24 ValidFAA registration status code V: Valid registration. All codes
N436M Beech
B36TC
Fixed-wing, single engine Haase LLC Series 5
Henderson, Nevada
Standard 2008-09-22 ValidFAA registration status code V: Valid registration. All codes
N731QN Cessna
P210N
Fixed-wing, single engine Individual owner
California
Standard 2008-09-18 ValidFAA registration status code V: Valid registration. All codes
N7305U Cessna
T207A
Fixed-wing, single engine Ryan Air INC
Anchorage, Alaska
Standard 2008-09-17 ValidFAA registration status code V: Valid registration. All codes
N987PL Cessna
T210R
Fixed-wing, single engine Colestine Holdings LLC
Ashland, Oregon
Standard 2008-09-08 ValidFAA registration status code V: Valid registration. All codes
N67799 Beech
B36TC
Fixed-wing, single engine Piper Arrow LLC
Yarmouth, Maine
Standard 2008-09-05 ValidFAA registration status code V: Valid registration. All codes
N2704N Cessna
335
Fixed-wing, multi-engine Kimberton CORP LLC
Phoenixville, Pennsylvania
Standard 2008-09-02 ValidFAA registration status code V: Valid registration. All codes
N3670E Beech
58TC
Fixed-wing, multi-engine Fresh-Pic Harvest INC
La Quinta, California
Standard 2008-08-29 ValidFAA registration status code V: Valid registration. All codes
N364SS Beech
B36TC
Fixed-wing, single engine Individual owner
California
Standard 2008-08-25 ValidFAA registration status code V: Valid registration. All codes
N515RR Piper
PA-46-310P
Fixed-wing, single engine Hangar 49 LTD
Wilmington, Delaware
Standard 2008-08-12 ValidFAA registration status code V: Valid registration. All codes
N7610M Cessna
T210M
Fixed-wing, single engine Individual owner
Minnesota
Standard 2008-07-28 ValidFAA registration status code V: Valid registration. All codes
N761GB Cessna
T210M
Fixed-wing, single engine Individual owner
Arkansas
Standard 2008-07-15 ValidFAA registration status code V: Valid registration. All codes
N4171Q Cessna
340
Fixed-wing, multi-engine N4171Q LLC
Newport Beach, California
Standard 2008-06-23 ValidFAA registration status code V: Valid registration. All codes
N2711N Cessna
335
Fixed-wing, multi-engine Mountain Air Aviation LLC
Fruit Heights, Utah
Standard 2008-06-17 ValidFAA registration status code V: Valid registration. All codes
N6037B Cessna
T210M
Fixed-wing, single engine Del Mar Aviation INC
Wilmington, Delaware
Standard 2008-06-12 ValidFAA registration status code V: Valid registration. All codes
N2649Z Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 2008-06-11 ValidFAA registration status code V: Valid registration. All codes
N3292M Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 2008-06-11 ValidFAA registration status code V: Valid registration. All codes
N747WS Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 2008-06-11 ValidFAA registration status code V: Valid registration. All codes
N3605P Cessna
P210N
Fixed-wing, single engine Individual owner
Washington
Standard 2008-06-03 ValidFAA registration status code V: Valid registration. All codes
N310LP Cessna
T310R
Fixed-wing, multi-engine Individual owner
Nevada
Standard 2008-06-02 ValidFAA registration status code V: Valid registration. All codes
N3619J Cessna
T188C
Fixed-wing, single engine Fisher AG Service LLC
Cardington, Ohio
Restricted 2008-05-29 ValidFAA registration status code V: Valid registration. All codes
N5255C Cessna
T310R
Fixed-wing, multi-engine Mcintosh Law CORP
Long Beach, California
Standard 2008-05-27 ValidFAA registration status code V: Valid registration. All codes
N76747 Beech
A36TC
Fixed-wing, single engine Individual owner
California
Standard 2008-05-27 ValidFAA registration status code V: Valid registration. All codes
N33SG Beech
A36TC
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2008-04-30 ValidFAA registration status code V: Valid registration. All codes
N2507J Cessna
T188C
Fixed-wing, single engine Individual owner
Missouri
Restricted 2008-04-24 ValidFAA registration status code V: Valid registration. All codes
N673DK Cessna
T210N
Fixed-wing, single engine Bh Aero LLC
Hanover, Minnesota
Standard 2008-04-23 ValidFAA registration status code V: Valid registration. All codes
N226SC Beech
B36TC
Fixed-wing, single engine Individual owner
Wyoming
Standard 2008-04-07 ValidFAA registration status code V: Valid registration. All codes
N43DA Cessna
340A
Fixed-wing, multi-engine Aero Management Holdings LLC
Hot Springs, Arkansas
Standard 2008-04-03 ValidFAA registration status code V: Valid registration. All codes
N3DQ Cessna
414
Fixed-wing, multi-engine Crescent Aviation LLC
Rllng Hls Est, California
Standard 2008-03-25 ValidFAA registration status code V: Valid registration. All codes
N68233 Cessna
340A
Fixed-wing, multi-engine Sunbird Aviation INC
Bozeman, Montana
Standard 2008-03-04 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.