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
N41A Cessna
T210M
Fixed-wing, single engine Co-owned owner
Iowa
Standard 2021-12-09 ValidFAA registration status code V: Valid registration. All codes
N584MB Beech
58TC
Fixed-wing, multi-engine Centerline Holdings INC
Camden, Delaware
Standard 2021-12-09 ValidFAA registration status code V: Valid registration. All codes
N74PB Cessna
414A
Fixed-wing, multi-engine Co-owned owner
Idaho
Standard 2021-12-09 ValidFAA registration status code V: Valid registration. All codes
N98RE Beech
58P
Fixed-wing, multi-engine Twin Star Hot Springs LLC
Hot Springs, Arkansas
Standard 2021-12-09 ValidFAA registration status code V: Valid registration. All codes
N414HF Cessna
414
Fixed-wing, multi-engine N414Hf LLC
Jasper, Georgia
Standard 2021-12-07 ValidFAA registration status code V: Valid registration. All codes
N414KW Cessna
414A
Fixed-wing, multi-engine Bolle Aviation LLC
Clare, Michigan
Standard 2021-12-04 ValidFAA registration status code V: Valid registration. All codes
N327MW Cessna
414A
Fixed-wing, multi-engine W. Morrison Consulting Group INC
Aliso Viejo, California
Standard 2021-12-03 ValidFAA registration status code V: Valid registration. All codes
N986CB Cessna
340
Fixed-wing, multi-engine Map Leasing LLC
Greenleaf, Wisconsin
Standard 2021-12-02 ValidFAA registration status code V: Valid registration. All codes
N66RA Cessna
340A
Fixed-wing, multi-engine Gasu LLC
Henderson, Nevada
Standard 2021-12-01 ValidFAA registration status code V: Valid registration. All codes
N893BW Cessna
P210N
Fixed-wing, single engine Lahbak Enterprises LLC
Hilton Head Island, South Carolina
Standard 2021-11-30 ValidFAA registration status code V: Valid registration. All codes
N123MC Cessna
T210N
Fixed-wing, single engine Co-owned owner
Wisconsin
Standard 2021-11-29 ValidFAA registration status code V: Valid registration. All codes
N2118S Cessna
T210L
Fixed-wing, single engine Individual owner
Texas
Standard 2021-11-22 ValidFAA registration status code V: Valid registration. All codes
N341SJ Cessna
340A
Fixed-wing, multi-engine Aga Aviation LLC
Lewes, Delaware
Standard 2021-11-22 ValidFAA registration status code V: Valid registration. All codes
N521AD Cessna
T310R
Fixed-wing, multi-engine Barringer Aviation LLC
Waxhaw, North Carolina
Standard 2021-11-20 ValidFAA registration status code V: Valid registration. All codes
N651DB Cessna
340A
Fixed-wing, multi-engine Jgm Icarus LLC
Centennial, Colorado
Standard 2021-11-20 ValidFAA registration status code V: Valid registration. All codes
N732JJ Cessna
T210L
Fixed-wing, single engine Cj Air LLC
Escondido, California
Standard 2021-11-20 ValidFAA registration status code V: Valid registration. All codes
N373ST Beech
B36TC
Fixed-wing, single engine Individual owner
California
Experimental 2021-11-19 ValidFAA registration status code V: Valid registration. All codes
N1130Q Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Co-owned owner
Iowa
Standard 2021-11-18 ValidFAA registration status code V: Valid registration. All codes
N376RH Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Individual owner
Washington
Standard 2021-11-17 ValidFAA registration status code V: Valid registration. All codes
N147WD Beech
58TC
Fixed-wing, multi-engine Individual owner
Texas
Standard 2021-11-15 ValidFAA registration status code V: Valid registration. All codes
N99JZ Beech
58P
Fixed-wing, multi-engine Unadventurous LLC
Amarillo, Texas
Standard 2021-11-15 ValidFAA registration status code V: Valid registration. All codes
N123BC Beech
58TC
Fixed-wing, multi-engine Blue River Baron 58 LLC
Malcolm, Nebraska
Standard 2021-11-13 ValidFAA registration status code V: Valid registration. All codes
N4500K Cessna
P210N
Fixed-wing, single engine Individual owner
Colorado
Standard 2021-11-09 ValidFAA registration status code V: Valid registration. All codes
N950PS Beech
B36TC
Fixed-wing, single engine Plane Services LLC
Twin Falls, Idaho
Standard 2021-11-08 ValidFAA registration status code V: Valid registration. All codes
N10419 Cessna
T210L
Fixed-wing, single engine C Flying K Aviation LLC
Black Hawk, Colorado
Standard 2021-11-03 ValidFAA registration status code V: Valid registration. All codes
N3731G Cessna
T310R
Fixed-wing, multi-engine Maxwell Truck & Equipment LLC
State College, Pennsylvania
Standard 2021-11-03 ValidFAA registration status code V: Valid registration. All codes
N4148G Cessna
340A
Fixed-wing, multi-engine Individual owner
Wisconsin
Standard 2021-11-03 ValidFAA registration status code V: Valid registration. All codes
N636TC Beech
B36TC
Fixed-wing, single engine Individual owner
Texas
Standard 2021-11-03 ValidFAA registration status code V: Valid registration. All codes
N6407X Beech
B36TC
Fixed-wing, single engine Robert G Whittel P A
Gainesville, Florida
Standard 2021-11-03 ValidFAA registration status code V: Valid registration. All codes
N21KD Cessna
414A
Fixed-wing, multi-engine Mrd Aviation LLC
Windsor, Colorado
Standard 2021-11-02 ValidFAA registration status code V: Valid registration. All codes
N27SC Cessna
P210N
Fixed-wing, single engine 5C Aviation LLC
Scottsdale, Arizona
Standard 2021-11-02 ValidFAA registration status code V: Valid registration. All codes
N340FF Cessna
340A
Fixed-wing, multi-engine Miller Brothers Aviation LLC
Lebanon, Pennsylvania
Standard 2021-10-30 ValidFAA registration status code V: Valid registration. All codes
N3869S Beech
A36TC
Fixed-wing, single engine Individual owner
Utah
Standard 2021-10-30 ValidFAA registration status code V: Valid registration. All codes
N5868C Cessna
340A
Fixed-wing, multi-engine Shimomura & CO Cpas PC
New York, New York
Standard 2021-10-30 ValidFAA registration status code V: Valid registration. All codes
N9120Y Piper
PA-46-310P
Fixed-wing, single engine Custom Machining Industries INC
Missoula, Montana
Standard 2021-10-30 ValidFAA registration status code V: Valid registration. All codes
N231JP Cessna
414
Fixed-wing, multi-engine Quest Air INC
Cocoa, Florida
Standard 2021-10-29 ValidFAA registration status code V: Valid registration. All codes
N6658Z Beech
58P
Fixed-wing, multi-engine Individual owner
Maryland
Standard 2021-10-29 ValidFAA registration status code V: Valid registration. All codes
N36N Cessna
335
Fixed-wing, multi-engine Individual owner
Michigan
Standard 2021-10-28 ValidFAA registration status code V: Valid registration. All codes
N731ZB Cessna
P210N
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2021-10-28 ValidFAA registration status code V: Valid registration. All codes
N82AW Cessna
414A
Fixed-wing, multi-engine Qualitair LLC Trustee
Michelstadt,
Standard 2021-10-25 ValidFAA registration status code V: Valid registration. All codes
N3761P Cessna
P210N
Fixed-wing, single engine Sky Rollers LLC
Merritt Island, Florida
Standard 2021-10-23 ValidFAA registration status code V: Valid registration. All codes
N6650H Beech
B36TC
Fixed-wing, single engine N6650H LLC
Edmond, Oklahoma
Standard 2021-10-22 ValidFAA registration status code V: Valid registration. All codes
N341TV Cessna
340A
Fixed-wing, multi-engine Wild Hare Enterprises LLC
Valparaiso, Indiana
Standard 2021-10-21 ValidFAA registration status code V: Valid registration. All codes
N252SW Cessna
T210N
Fixed-wing, single engine Individual owner
Arizona
Standard 2021-10-20 ValidFAA registration status code V: Valid registration. All codes
N2619Z Cessna
414A
Fixed-wing, multi-engine 4J Air LLC
Cartersville, Georgia
Standard 2021-10-19 ValidFAA registration status code V: Valid registration. All codes
N327TA Cessna
340A
Fixed-wing, multi-engine Individual owner
Texas
Standard 2021-10-18 ValidFAA registration status code V: Valid registration. All codes
N6297H Cessna
T207A
Fixed-wing, single engine Individual owner
Nevada
Standard 2021-10-18 ValidFAA registration status code V: Valid registration. All codes
N8857K Cessna
340A
Fixed-wing, multi-engine Ball Bearing Aviation LLC
Lowell, Arkansas
Standard 2021-10-14 ValidFAA registration status code V: Valid registration. All codes
N57977 Cessna
T210L
Fixed-wing, single engine Individual owner
Florida
Standard 2021-10-13 ValidFAA registration status code V: Valid registration. All codes
N6218Y Cessna
T210N
Fixed-wing, single engine Lucky Star Auto Sales INC
Grangeville, Idaho
Standard 2021-10-13 ValidFAA registration status code V: Valid registration. All codes
N69492 Cessna
340
Fixed-wing, multi-engine Individual owner
Georgia
Standard 2021-10-13 ValidFAA registration status code V: Valid registration. All codes
N9691Z Cessna
TU206G
Fixed-wing, single engine South America Mission INC
Fort Mill, South Carolina
Standard 2021-10-13 ValidFAA registration status code V: Valid registration. All codes
N234SB Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2021-10-12 ValidFAA registration status code V: Valid registration. All codes
N300BD Cessna
T310R
Fixed-wing, multi-engine Aircraft INC
White Bear Lake, Minnesota
Standard 2021-10-12 ValidFAA registration status code V: Valid registration. All codes
N29210 Cessna
TU206C
Fixed-wing, single engine Co-owned owner
Montana
Standard 2021-10-06 ValidFAA registration status code V: Valid registration. All codes
N47MD Cessna
414
Fixed-wing, multi-engine Brambles INC
Bakersfield, California
Standard 2021-10-04 ValidFAA registration status code V: Valid registration. All codes
N58JM Beech
58TC
Fixed-wing, multi-engine Lucky 7 Operating LLC
Many, Louisiana
Standard 2021-10-04 ValidFAA registration status code V: Valid registration. All codes
N6177X Cessna
T310R
Fixed-wing, multi-engine Individual owner
Illinois
Standard 2021-10-01 ValidFAA registration status code V: Valid registration. All codes
N310HB Cessna
T310R
Fixed-wing, multi-engine Individual owner
Texas
Standard 2021-09-28 ValidFAA registration status code V: Valid registration. All codes
N34KF Cessna
P210N
Fixed-wing, single engine Rsb Properties LLC
Lewes, Delaware
Standard 2021-09-28 ValidFAA registration status code V: Valid registration. All codes
N777VF Cessna
414
Fixed-wing, multi-engine Zammit Flight Resources LLC
Sheridan, Wyoming
Standard 2021-09-28 ValidFAA registration status code V: Valid registration. All codes
N737EL Beech
A36TC
Fixed-wing, single engine Csi Flight Services LLC
Mcminnville, Oregon
Standard 2021-09-27 ValidFAA registration status code V: Valid registration. All codes
N400GM Cessna
T310Q
Fixed-wing, multi-engine N400Gm LLC
Salisbury, Maryland
Standard 2021-09-24 ValidFAA registration status code V: Valid registration. All codes
N4829K Cessna
P210N
Fixed-wing, single engine Canal Flight LLC
Portland, Oregon
Standard 2021-09-24 ValidFAA registration status code V: Valid registration. All codes
N431CE Cessna
414
Fixed-wing, multi-engine Legacy Aviation LLC
Ann Arbor, Michigan
Standard 2021-09-23 ValidFAA registration status code V: Valid registration. All codes
N27HA Cessna
T303
Fixed-wing, multi-engine Lmn Aircraft Leasing LLC
Sellersburg, Indiana
Standard 2021-09-22 ValidFAA registration status code V: Valid registration. All codes
N6359B Cessna
T210M
Fixed-wing, single engine Ross Stout Architect INC
Indian Wells, California
Standard 2021-09-22 ValidFAA registration status code V: Valid registration. All codes
N3886P Cessna
P210N
Fixed-wing, single engine Uncanny Valley Films INC
Arroyo Seco, New Mexico
Standard 2021-09-21 ValidFAA registration status code V: Valid registration. All codes
N6597C Cessna
414A
Fixed-wing, multi-engine Hai Services INC
Haltom City, Texas
Standard 2021-09-20 ValidFAA registration status code V: Valid registration. All codes
N340AD Cessna
340
Fixed-wing, multi-engine N89Vy LLC
Benson, North Carolina
Standard 2021-09-17 ValidFAA registration status code V: Valid registration. All codes
N402NK Cessna
402B
Fixed-wing, multi-engine Individual owner
Florida
Standard 2021-09-17 ValidFAA registration status code V: Valid registration. All codes
N286CM Piper
PA-46-310P
Fixed-wing, single engine B&K Aircraft Leasing LLC
West Plains, Missouri
Standard 2021-09-16 ValidFAA registration status code V: Valid registration. All codes
N3456Q Cessna
340
Fixed-wing, multi-engine L & J Aviation INC
Atwater, California
Standard 2021-09-16 ValidFAA registration status code V: Valid registration. All codes
N105RK Beech
58TC
Fixed-wing, multi-engine Individual owner
Georgia
Standard 2021-09-14 ValidFAA registration status code V: Valid registration. All codes
N2664 Cessna
T310R
Fixed-wing, multi-engine Lcj Holdings LLC
Youngsville, Louisiana
Standard 2021-09-14 ValidFAA registration status code V: Valid registration. All codes
N8293Q Cessna
TU206F
Fixed-wing, single engine Individual owner
North Carolina
Standard 2021-09-10 ValidFAA registration status code V: Valid registration. All codes
N246JW Cessna
340A
Fixed-wing, multi-engine Co-owned owner
Oregon
Standard 2021-09-09 ValidFAA registration status code V: Valid registration. All codes
N4798P Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2021-09-09 ValidFAA registration status code V: Valid registration. All codes
N6364B Cessna
T210M
Fixed-wing, single engine Kgnf LLC
Grenada, Mississippi
Standard 2021-09-09 ValidFAA registration status code V: Valid registration. All codes
N9330T Cessna
T303
Fixed-wing, multi-engine Crusader 303 LLC
Eugene, Oregon
Standard 2021-09-08 ValidFAA registration status code V: Valid registration. All codes
N410WM Cessna
T310R
Fixed-wing, multi-engine Flying Life LLC
Middleburg, Florida
Standard 2021-09-07 ValidFAA registration status code V: Valid registration. All codes
N4134S Beech
58P
Fixed-wing, multi-engine Qualitair LLC Trustee
Michelstadt,
Standard 2021-09-07 ValidFAA registration status code V: Valid registration. All codes
N4422N Cessna
P210N
Fixed-wing, single engine Valiair Lc Trustee
Casper, Wyoming
Standard 2021-09-07 ValidFAA registration status code V: Valid registration. All codes
N732DM Cessna
T210L
Fixed-wing, single engine Flying Knights LLC
Farmington, New Mexico
Standard 2021-09-07 ValidFAA registration status code V: Valid registration. All codes
N174DS Cessna
414A
Fixed-wing, multi-engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2021-09-02 ValidFAA registration status code V: Valid registration. All codes
N864CM Cessna
340A
Fixed-wing, multi-engine Individual owner
Washington
Standard 2021-09-02 ValidFAA registration status code V: Valid registration. All codes
N75RC Cessna
T210N
Fixed-wing, single engine Individual owner
North Carolina
Standard 2021-09-01 ValidFAA registration status code V: Valid registration. All codes
N121BD Cessna
414A
Fixed-wing, multi-engine Korn Air LLC
Fort Lauderdale, Florida
Standard 2021-08-31 ValidFAA registration status code V: Valid registration. All codes
N532CH Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2021-08-31 ValidFAA registration status code V: Valid registration. All codes
N52HC Beech
58P
Fixed-wing, multi-engine Oak Bay Aviation LLC
Bellvue, Washington
Standard 2021-08-28 ValidFAA registration status code V: Valid registration. All codes
N6346U Beech
B36TC
Fixed-wing, single engine N6346U LLC
Pleasant Hill, California
Standard 2021-08-26 ValidFAA registration status code V: Valid registration. All codes
N98649 Cessna
402B
Fixed-wing, multi-engine Dodson International Parts INC
Rantoul, Kansas
Standard 2021-08-26 ValidFAA registration status code V: Valid registration. All codes
N5826C Cessna
402C
Fixed-wing, multi-engine Bank of Utah Trustee
Salt Lake City, Utah
Standard 2021-08-25 ValidFAA registration status code V: Valid registration. All codes
N6329Y Cessna
T210N
Fixed-wing, single engine Diablo Aviation LLC
Pleasanton, California
Standard 2021-08-25 ValidFAA registration status code V: Valid registration. All codes
N660CA Cessna
402C
Fixed-wing, multi-engine Bank of Utah Trustee
Salt Lake City, Utah
Standard 2021-08-25 ValidFAA registration status code V: Valid registration. All codes
N818AN Cessna
402C
Fixed-wing, multi-engine Bank of Utah Trustee
Salt Lake City, Utah
Standard 2021-08-25 ValidFAA registration status code V: Valid registration. All codes
N771MP Cessna
340
Fixed-wing, multi-engine Fl072 Aviation LLC
Brentwood, Tennessee
Standard 2021-08-23 ValidFAA registration status code V: Valid registration. All codes
N414UM Cessna
414A
Fixed-wing, multi-engine Southwest Management Group INC
Farmington, New Mexico
Standard 2021-08-21 ValidFAA registration status code V: Valid registration. All codes
N5511C Cessna
T210N
Fixed-wing, single engine Dss Consulting LLC
Omaha, Nebraska
Standard 2021-08-19 ValidFAA registration status code V: Valid registration. All codes
N2043S Cessna
T210L
Fixed-wing, single engine Co-owned owner
South Dakota
Standard 2021-08-18 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.