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
N414DD Cessna
414A
Fixed-wing, multi-engine Modern Custom Design LLC
Melbourne Beach, Florida
Standard 2022-09-15 ValidFAA registration status code V: Valid registration. All codes
N355DC Piper
PA-46-310P
Fixed-wing, single engine Individual owner
Kansas
Standard 2022-09-13 ValidFAA registration status code V: Valid registration. All codes
N4486W Beech
V35B
Fixed-wing, single engine Individual owner
Texas
Standard 2022-09-13 ValidFAA registration status code V: Valid registration. All codes
N6294P Cessna
P210N
Fixed-wing, single engine Individual owner
Arizona
Standard 2022-09-13 ValidFAA registration status code V: Valid registration. All codes
N494TS Cessna
T303
Fixed-wing, multi-engine Deep Creek Lake Ventures LLC
Oakland, Maryland
Standard 2022-09-12 ValidFAA registration status code V: Valid registration. All codes
N923EC Cessna
T210M
Fixed-wing, single engine 333 Ranch LLC
Elko, Nevada
Standard 2022-09-08 ValidFAA registration status code V: Valid registration. All codes
N980SC Cessna
T210N
Fixed-wing, single engine Sky Horse LLC
Santa Cruz, California
Standard 2022-09-08 ValidFAA registration status code V: Valid registration. All codes
N17NG Piper
PA-46-310P
Fixed-wing, single engine Parmer Construction Company LLC
Terrell, Texas
Standard 2022-09-07 ValidFAA registration status code V: Valid registration. All codes
N458CT Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Individual owner
California
Standard 2022-09-07 ValidFAA registration status code V: Valid registration. All codes
N6722B Cessna
T210M
Fixed-wing, single engine Jca Aviation LLC
Safford, Arizona
Standard 2022-09-07 ValidFAA registration status code V: Valid registration. All codes
N828SB Beech
A36TC
Fixed-wing, single engine Ea Aircraft Lease LLC
Dayton, Minnesota
Standard 2022-09-07 ValidFAA registration status code V: Valid registration. All codes
N915 Cessna
340A
Fixed-wing, multi-engine Individual owner
Oklahoma
Standard 2022-09-07 ValidFAA registration status code V: Valid registration. All codes
N2330J Cessna
T188C
Fixed-wing, single engine Williamsburg Air Service INC
Kingstree, South Carolina
Restricted 2022-09-03 ValidFAA registration status code V: Valid registration. All codes
N333UD Cessna
340A
Fixed-wing, multi-engine Specialty Aero LLC
Seattle, Washington
Standard 2022-09-01 ValidFAA registration status code V: Valid registration. All codes
N210AR Cessna
T210L
Fixed-wing, single engine Vjc Air LLC
Katy, Texas
Standard 2022-08-29 ValidFAA registration status code V: Valid registration. All codes
N340BS Cessna
340
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2022-08-29 ValidFAA registration status code V: Valid registration. All codes
N340DF Cessna
340
Fixed-wing, multi-engine Co-owned owner
Wyoming
Standard 2022-08-29 ValidFAA registration status code V: Valid registration. All codes
N22NR Cessna
414
Fixed-wing, multi-engine Co-owned owner
Ohio
Standard 2022-08-25 ValidFAA registration status code V: Valid registration. All codes
N3035W Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Worldwide Air & Sea INC
Wilton, New Hampshire
Standard 2022-08-25 ValidFAA registration status code V: Valid registration. All codes
N30644 Cessna
T210L
Fixed-wing, single engine Withheld at owner's request
Standard 2022-08-25 ValidFAA registration status code V: Valid registration. All codes
N414AK Cessna
414A
Fixed-wing, multi-engine Valiair Lc Trustee
Casper, Wyoming
Standard 2022-08-25 ValidFAA registration status code V: Valid registration. All codes
N188RC Beech
A36
Fixed-wing, single engine Hodgskies Holdings LLC
Choteau, Montana
Standard 2022-08-24 ValidFAA registration status code V: Valid registration. All codes
N9122L Piper
PA-46-310P
Fixed-wing, single engine Individual owner
New Hampshire
Standard 2022-08-23 ValidFAA registration status code V: Valid registration. All codes
N6686N Cessna
T210N
Fixed-wing, single engine Clarity Aviation LLC
Anchorage, Alaska
Standard 2022-08-20 ValidFAA registration status code V: Valid registration. All codes
N5083J Cessna
T310R
Fixed-wing, multi-engine Krs Aerial INC
Galloway, Ohio
Standard 2022-08-19 ValidFAA registration status code V: Valid registration. All codes
N19RA Beech
58TC
Fixed-wing, multi-engine Aviatzone LLC
Fort Lauderdale, Florida
Standard 2022-08-18 ValidFAA registration status code V: Valid registration. All codes
N5163J Cessna
340
Fixed-wing, multi-engine Individual owner
Oklahoma
Standard 2022-08-18 ValidFAA registration status code V: Valid registration. All codes
N3817M Beech
A36TC
Fixed-wing, single engine Gulf Skies LLC
Kalispell, Montana
Standard 2022-08-17 ValidFAA registration status code V: Valid registration. All codes
N336PW Beech
B36TC
Fixed-wing, single engine Cajan LLC
Kings Mountain, North Carolina
Standard 2022-08-16 ValidFAA registration status code V: Valid registration. All codes
N6678C Beech
58P
Fixed-wing, multi-engine 678C LLC
Pensacola Beach, Florida
Standard 2022-08-16 ValidFAA registration status code V: Valid registration. All codes
N2061K Beech
58P
Fixed-wing, multi-engine Mile High Air INC
Canyon, Texas
Standard 2022-08-13 ValidFAA registration status code V: Valid registration. All codes
N5432M Cessna
340
Fixed-wing, multi-engine Individual owner
Idaho
Standard 2022-08-13 ValidFAA registration status code V: Valid registration. All codes
N155DM Cessna
340A
Fixed-wing, multi-engine Harden Aviation LLC
Washington, Pennsylvania
Standard 2022-08-12 ValidFAA registration status code V: Valid registration. All codes
N36X Cessna
T210M
Fixed-wing, single engine Archangel Aviation LLC
Cleburne, Texas
Standard 2022-08-12 ValidFAA registration status code V: Valid registration. All codes
N4857C Cessna
T210N
Fixed-wing, single engine Gate Holdings LLC
Ketchum, Idaho
Standard 2022-08-12 ValidFAA registration status code V: Valid registration. All codes
N53WT Cessna
414A
Fixed-wing, multi-engine Rock House LLC
Keizer, Oregon
Standard 2022-08-12 ValidFAA registration status code V: Valid registration. All codes
N98RC Cessna
340
Fixed-wing, multi-engine Pegasus LLC
Farmington, New Mexico
Standard 2022-08-12 ValidFAA registration status code V: Valid registration. All codes
N234PS Cessna
340A
Fixed-wing, multi-engine Tkn Holdings LLC
Pima, Arizona
Standard 2022-08-11 ValidFAA registration status code V: Valid registration. All codes
N37360 Cessna
340A
Fixed-wing, multi-engine Tkn Holdings LLC
Pima, Arizona
Multiple 2022-08-11 ValidFAA registration status code V: Valid registration. All codes
N969S Cessna
310R
Fixed-wing, multi-engine Rivas Group LLC
Reno, Nevada
Standard 2022-08-11 ValidFAA registration status code V: Valid registration. All codes
N110HP Cessna
T210L
Fixed-wing, single engine Colt 45 LLC
Tulsa, Oklahoma
Standard 2022-08-10 ValidFAA registration status code V: Valid registration. All codes
N9488C Cessna
T303
Fixed-wing, multi-engine Individual owner
California
Standard 2022-08-10 ValidFAA registration status code V: Valid registration. All codes
N761DM Cessna
T210M
Fixed-wing, single engine Individual owner
California
Standard 2022-08-09 ValidFAA registration status code V: Valid registration. All codes
N6567Y Cessna
T210N
Fixed-wing, single engine Individual owner
Ohio
Standard 2022-08-05 ValidFAA registration status code V: Valid registration. All codes
N986MS Cessna
340A
Fixed-wing, multi-engine Rush Aviation LLC
Hayden, Idaho
Standard 2022-08-04 ValidFAA registration status code V: Valid registration. All codes
N1122Y Beech
B36TC
Fixed-wing, single engine D&P Beech Aviation LLC
Concord, California
Standard 2022-08-03 ValidFAA registration status code V: Valid registration. All codes
N3251W Beech
B36TC
Fixed-wing, single engine Corporate Flight Mangement LLC
Dallas, Texas
Standard 2022-08-01 ValidFAA registration status code V: Valid registration. All codes
N3737 Piper
PA-46-310P
Fixed-wing, single engine Qualitair LLC
Michelstadt,
Standard 2022-08-01 ValidFAA registration status code V: Valid registration. All codes
N2259R Cessna
T210J
Fixed-wing, single engine Individual owner
California
Standard 2022-07-30 ValidFAA registration status code V: Valid registration. All codes
N323PM Beech
A36TC
Fixed-wing, single engine Src Property LLC
Alpine, Texas
Standard 2022-07-29 ValidFAA registration status code V: Valid registration. All codes
N25120 Piper
PA-46-310P
Fixed-wing, single engine Waconda Concepts LLC
Sturgis, South Dakota
Standard 2022-07-28 ValidFAA registration status code V: Valid registration. All codes
N4773C Cessna
T210N
Fixed-wing, single engine Individual owner
Florida
Standard 2022-07-28 ValidFAA registration status code V: Valid registration. All codes
N607JD Cessna
414A
Fixed-wing, multi-engine Jd 707 Air LLC
Edgerton, Ohio
Standard 2022-07-28 ValidFAA registration status code V: Valid registration. All codes
N99VB Beech
A36TC
Fixed-wing, single engine Nick Plaisance Agency LLC
Lafayette, Louisiana
Standard 2022-07-28 ValidFAA registration status code V: Valid registration. All codes
N313WT Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2022-07-27 ValidFAA registration status code V: Valid registration. All codes
N1865L Beech
58TC
Fixed-wing, multi-engine Liberty Partners INC
Okmulgee, Oklahoma
Standard 2022-07-23 ValidFAA registration status code V: Valid registration. All codes
N414SM Cessna
414A
Fixed-wing, multi-engine Swair LLC
Cheyenne, Wyoming
Standard 2022-07-22 ValidFAA registration status code V: Valid registration. All codes
N227BR Beech
58TC
Fixed-wing, multi-engine Individual owner
Colorado
Standard 2022-07-21 ValidFAA registration status code V: Valid registration. All codes
N2525X Cessna
T210M
Fixed-wing, single engine Individual owner
New York
Standard 2022-07-20 ValidFAA registration status code V: Valid registration. All codes
N499DL Beech
A36TC
Fixed-wing, single engine Cjrr Consulting LLC
Denver, Colorado
Standard 2022-07-16 ValidFAA registration status code V: Valid registration. All codes
N643WM Cessna
414A
Fixed-wing, multi-engine Barham Investments LLC
Dexter, Missouri
Standard 2022-07-16 ValidFAA registration status code V: Valid registration. All codes
N732ZB Cessna
T210M
Fixed-wing, single engine Muddy Wolf Holdings LLC
Wilmington, Delaware
Standard 2022-07-16 ValidFAA registration status code V: Valid registration. All codes
N4756C Cessna
T210N
Fixed-wing, single engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2022-07-13 ValidFAA registration status code V: Valid registration. All codes
N6237Y Cessna
T210N
Fixed-wing, single engine Strategic Sourcing Solutions INC
Topeka, Kansas
Standard 2022-07-13 ValidFAA registration status code V: Valid registration. All codes
N761DL Cessna
T210M
Fixed-wing, single engine Individual owner
Arizona
Standard 2022-07-11 ValidFAA registration status code V: Valid registration. All codes
N831BM Cessna
414A
Fixed-wing, multi-engine Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2022-07-06 ValidFAA registration status code V: Valid registration. All codes
N76KT Cessna
414
Fixed-wing, multi-engine Warriors With Wings LLC
Zebulon, North Carolina
Standard 2022-07-05 ValidFAA registration status code V: Valid registration. All codes
N495 Cessna
414A
Fixed-wing, multi-engine 495Htsi LLC
Wilmington, Delaware
Standard 2022-07-02 ValidFAA registration status code V: Valid registration. All codes
N69PG Cessna
340
Fixed-wing, multi-engine Baird Mark
Fort Jones, California
Standard 2022-07-01 ValidFAA registration status code V: Valid registration. All codes
N5910M Cessna
340
Fixed-wing, multi-engine Cross Country Well Service LLC
Farmington, New Mexico
Standard 2022-06-24 ValidFAA registration status code V: Valid registration. All codes
N6408N Cessna
T210N
Fixed-wing, single engine Individual owner
Texas
Standard 2022-06-21 ValidFAA registration status code V: Valid registration. All codes
N7LT Cessna
T210L
Fixed-wing, single engine Individual owner
Nevada
Standard 2022-06-21 ValidFAA registration status code V: Valid registration. All codes
N491AC Cessna
T210N
Fixed-wing, single engine Ew Pegasus LLC
Walnut Creek, California
Standard 2022-06-18 ValidFAA registration status code V: Valid registration. All codes
N7568M Cessna
T210M
Fixed-wing, single engine Individual owner
Illinois
Standard 2022-06-18 ValidFAA registration status code V: Valid registration. All codes
N907JM Cessna
T210N
Fixed-wing, single engine Wright Flight INC
Tucson, Arizona
Standard 2022-06-18 ValidFAA registration status code V: Valid registration. All codes
N211PA Cessna
TU206G
Fixed-wing, single engine Piedmont Air Services LLC
Helena, Montana
Standard 2022-06-17 ValidFAA registration status code V: Valid registration. All codes
N73EP Cessna
340
Fixed-wing, multi-engine Colburn & Associates LLC
Woodruff, South Carolina
Standard 2022-06-15 ValidFAA registration status code V: Valid registration. All codes
N43QC Beech
58P
Fixed-wing, multi-engine Aviation LLC
Kalispell, Montana
Standard 2022-06-14 ValidFAA registration status code V: Valid registration. All codes
N8237Q Cessna
340
Fixed-wing, multi-engine Aircon LLC
New Franklin, Ohio
Standard 2022-06-14 ValidFAA registration status code V: Valid registration. All codes
N123AZ Beech
B36TC
Fixed-wing, single engine N123Az LLC
Las Vegas, Nevada
Standard 2022-06-13 ValidFAA registration status code V: Valid registration. All codes
N36DG Cessna
340A
Fixed-wing, multi-engine
Standard 2022-06-13 ValidFAA registration status code V: Valid registration. All codes
N8CC Cessna
T210N
Fixed-wing, single engine Mag 3 Aviation LLC
Vidor, Texas
Standard 2022-06-11 ValidFAA registration status code V: Valid registration. All codes
N269WT Cessna
340
Fixed-wing, multi-engine Co-owned owner
Utah
Standard 2022-06-10 ValidFAA registration status code V: Valid registration. All codes
N330MR Cessna
340A
Fixed-wing, multi-engine Jett Aviation LLC
Clovis, New Mexico
Standard 2022-06-10 ValidFAA registration status code V: Valid registration. All codes
N5743J Cessna
TP206E
Fixed-wing, single engine Midwest Aerial Photography
Galloway, Ohio
Standard 2022-06-02 ValidFAA registration status code V: Valid registration. All codes
N3042V Raytheon Aircraft Company
B36TC
Fixed-wing, single engine 3 Pandas LLC
Farmington, New Mexico
Standard 2022-05-28 ValidFAA registration status code V: Valid registration. All codes
N346MC Cessna
340A
Fixed-wing, multi-engine Skyway Aviation LLC
Purvis, Mississippi
Standard 2022-05-26 ValidFAA registration status code V: Valid registration. All codes
N456AT Beech
A36TC
Fixed-wing, single engine Bonanza Aircraft Lc
Steamboat Springs, Colorado
Standard 2022-05-25 ValidFAA registration status code V: Valid registration. All codes
N33UT Cessna
T210L
Fixed-wing, single engine 402Wd Holdings LLC
Corpus Christi, Texas
Standard 2022-05-20 ValidFAA registration status code V: Valid registration. All codes
N210TP Cessna
T210N
Fixed-wing, single engine Airborne Enterprises LLC
Ava, Missouri
Standard 2022-05-19 ValidFAA registration status code V: Valid registration. All codes
N44XJ Beech
58P
Fixed-wing, multi-engine
Standard 2022-05-19 ValidFAA registration status code V: Valid registration. All codes
N340AT Cessna
340A
Fixed-wing, multi-engine Ars Aviation LLC
Houston, Texas
Standard 2022-05-18 ValidFAA registration status code V: Valid registration. All codes
N340JP Cessna
340
Fixed-wing, multi-engine Olive Aviation LLC
Anchorage, Alaska
Standard 2022-05-17 ValidFAA registration status code V: Valid registration. All codes
N512K Cessna
414A
Fixed-wing, multi-engine Zotec Partners LLC
Carmel, Indiana
Standard 2022-05-17 ValidFAA registration status code V: Valid registration. All codes
N2692L Cessna
414A
Fixed-wing, multi-engine Innovative Aviators LLC
Norman, Oklahoma
Standard 2022-05-14 ValidFAA registration status code V: Valid registration. All codes
N450CS Cessna
P210N
Fixed-wing, single engine Cbcb Aircraft LLC
Colfax, Washington
Standard 2022-05-14 ValidFAA registration status code V: Valid registration. All codes
N200MC Cessna
414
Fixed-wing, multi-engine N200Mc INC Trustee
Cheyenne, Wyoming
Standard 2022-05-12 ValidFAA registration status code V: Valid registration. All codes
N28BR Piper
PA-46-310P
Fixed-wing, single engine Flying Rock Aero LLC
Sunnyvale, California
Standard 2022-05-12 ValidFAA registration status code V: Valid registration. All codes
N246BE Cessna
414
Fixed-wing, multi-engine On Top Aviation LLC
North Las Vegas, Nevada
Standard 2022-05-11 ValidFAA registration status code V: Valid registration. All codes
N212WK Cessna
P210N
Fixed-wing, single engine Rbm Adventures LLC
Jamestown, New York
Standard 2022-05-10 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.