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
N8243Q Cessna
414
Fixed-wing, multi-engine Anderson Cattle CO INC
Emporia, Kansas
Standard 2006-02-21 ValidFAA registration status code V: Valid registration. All codes
N340PT Cessna
340
Fixed-wing, multi-engine Mach Air LLC
Townsend, Georgia
Standard 2006-02-08 ValidFAA registration status code V: Valid registration. All codes
N732NL Cessna
T210M
Fixed-wing, single engine Hutton Construction INC
Florence, Montana
Standard 2006-02-08 ValidFAA registration status code V: Valid registration. All codes
N4838K Cessna
P210N
Fixed-wing, single engine Commercial Tenant Improvement CORP
Alta Loma, California
Standard 2006-02-07 ValidFAA registration status code V: Valid registration. All codes
N658M Beech
58P
Fixed-wing, multi-engine Witherington Properties INC
Oak Ridge, Tennessee
Standard 2006-02-03 ValidFAA registration status code V: Valid registration. All codes
N100HP Beech
58TC
Fixed-wing, multi-engine Hinds Community College
Raymond, Mississippi
Standard 2006-02-02 ValidFAA registration status code V: Valid registration. All codes
N5482C Cessna
T210N
Fixed-wing, single engine Co-owned owner
California
Standard 2006-02-02 ValidFAA registration status code V: Valid registration. All codes
N234W Cessna
T210M
Fixed-wing, single engine Iwaa INC
Woodstock, Georgia
Standard 2006-01-24 ValidFAA registration status code V: Valid registration. All codes
N155Z Beech
58P
Fixed-wing, multi-engine Pennsylvania College of Technology
Williamsport, Pennsylvania
Standard 2006-01-13 ValidFAA registration status code V: Valid registration. All codes
N995EG Beech
A36TC
Fixed-wing, single engine Eagle Group USA INC
Howell, Michigan
Standard 2006-01-13 ValidFAA registration status code V: Valid registration. All codes
N6416W Cessna
P210N
Fixed-wing, single engine Individual owner
California
Standard 2006-01-12 ValidFAA registration status code V: Valid registration. All codes
N9063M Cessna
402B
Fixed-wing, multi-engine Co-owned owner
Florida
Standard 2006-01-10 ValidFAA registration status code V: Valid registration. All codes
N123AM Cessna
340
Fixed-wing, multi-engine C W Myers Holdings LLC
Anthony, New Mexico
Standard 2006-01-03 ValidFAA registration status code V: Valid registration. All codes
N6185B Cessna
T210M
Fixed-wing, single engine Individual owner
Colorado
Standard 2005-12-19 ValidFAA registration status code V: Valid registration. All codes
N7989Q Cessna
401B
Fixed-wing, multi-engine Co-owned owner
Arizona
Standard 2005-12-02 ValidFAA registration status code V: Valid registration. All codes
N558RS Beech
58TC
Fixed-wing, multi-engine Ayelet Aviation LLC
Mackinac Island, Michigan
Restricted 2005-12-01 ValidFAA registration status code V: Valid registration. All codes
N94263 Cessna
T210L
Fixed-wing, single engine Hitch Aviation INC
Malta, Montana
Standard 2005-12-01 ValidFAA registration status code V: Valid registration. All codes
N2453S Cessna
T210L
Fixed-wing, single engine Filipponi-Thompson Drilling INC
Atascadero, California
Standard 2005-11-28 ValidFAA registration status code V: Valid registration. All codes
N350A Cessna
340A
Fixed-wing, multi-engine Bierlein Aviation LLC
Midland, Michigan
Standard 2005-11-09 ValidFAA registration status code V: Valid registration. All codes
N6643E Beech
58P
Fixed-wing, multi-engine Individual owner
Arkansas
Standard 2005-11-09 ValidFAA registration status code V: Valid registration. All codes
N10YT Cessna
T210L
Fixed-wing, single engine N10Yt LLC
Missoula, Montana
Standard 2005-10-26 ValidFAA registration status code V: Valid registration. All codes
N888N Cessna
340
Fixed-wing, multi-engine Co-owned owner
California
Standard 2005-10-20 ValidFAA registration status code V: Valid registration. All codes
N340G Cessna
340A
Fixed-wing, multi-engine Durango Air LLC
Portland, Oregon
Standard 2005-10-19 ValidFAA registration status code V: Valid registration. All codes
N8526Q Cessna
TU206F
Fixed-wing, single engine Individual owner
Texas
Standard 2005-09-29 ValidFAA registration status code V: Valid registration. All codes
N80PV Cessna
414
Fixed-wing, multi-engine Ramos Investments LP
Montgomery, Texas
Standard 2005-08-24 ValidFAA registration status code V: Valid registration. All codes
N731QH Cessna
P210N
Fixed-wing, single engine K17 CORP
Alamosa, Colorado
Standard 2005-08-12 ValidFAA registration status code V: Valid registration. All codes
N74LC Cessna
T210L
Fixed-wing, single engine Lee County Sheriffs Office
Ft Myers, Florida
Standard 2005-08-02 ValidFAA registration status code V: Valid registration. All codes
N3848Y Beech
58P
Fixed-wing, multi-engine Baron Lake LLC
Jefferson, Louisiana
Standard 2005-07-11 ValidFAA registration status code V: Valid registration. All codes
N340SV Cessna
340A
Fixed-wing, multi-engine Quetzal Aviation CORP
Washington, District of Columbia
Standard 2005-07-07 ValidFAA registration status code V: Valid registration. All codes
N712LS Beech
58P
Fixed-wing, multi-engine Co-owned owner
Texas
Standard 2005-06-22 ValidFAA registration status code V: Valid registration. All codes
N373PJ Cessna
T210M
Fixed-wing, single engine Rock Creek CORP
Henderson, Nevada
Standard 2005-06-21 ValidFAA registration status code V: Valid registration. All codes
N414EL Cessna
414
Fixed-wing, multi-engine Co-owned owner
Texas
Standard 2005-05-25 ValidFAA registration status code V: Valid registration. All codes
N525JR Beech
F33A
Fixed-wing, single engine Pj Flyer LLC
Avondale, Arizona
Standard 2005-05-23 ValidFAA registration status code V: Valid registration. All codes
N732JS Cessna
T210L
Fixed-wing, single engine 732Js Partners LTD
Batavia, Illinois
Standard 2005-05-10 ValidFAA registration status code V: Valid registration. All codes
N85PE Cessna
TU206F
Fixed-wing, single engine Midwest Airmotive INC
Mount Sterling, Kentucky
Standard 2005-04-27 ValidFAA registration status code V: Valid registration. All codes
N1039G Cessna
T210N
Fixed-wing, single engine Individual owner
North Carolina
Standard 2005-04-26 ValidFAA registration status code V: Valid registration. All codes
N34BT Cessna
T210L
Fixed-wing, single engine Individual owner
Ohio
Standard 2005-04-26 ValidFAA registration status code V: Valid registration. All codes
N800BA Cessna
414A
Fixed-wing, multi-engine N8Vv INC
Corpus Christi, Texas
Standard 2005-04-26 ValidFAA registration status code V: Valid registration. All codes
N69506 Cessna
340
Fixed-wing, multi-engine Individual owner
Virginia
Standard 2005-04-20 ValidFAA registration status code V: Valid registration. All codes
N44NT Cessna
T210N
Fixed-wing, single engine Individual owner
California
Standard 2005-04-01 ValidFAA registration status code V: Valid registration. All codes
N414NS Cessna
414A
Fixed-wing, multi-engine Nsi Flight Services LLC
Idaho Falls, Idaho
Standard 2005-03-25 ValidFAA registration status code V: Valid registration. All codes
N727WS Cessna
T210N
Fixed-wing, single engine Co-owned owner
North Carolina
Standard 2005-03-15 ValidFAA registration status code V: Valid registration. All codes
N340SU Cessna
340A
Fixed-wing, multi-engine Dm Air LTD
Newark, Ohio
Standard 2005-03-01 ValidFAA registration status code V: Valid registration. All codes
N210LC Cessna
T210L
Fixed-wing, single engine Ventana Development Brazos LLC
Bay City, Texas
Standard 2005-02-25 ValidFAA registration status code V: Valid registration. All codes
N414BD Cessna
414
Fixed-wing, multi-engine Individual owner
Florida
Standard 2005-02-24 ValidFAA registration status code V: Valid registration. All codes
N36862 Cessna
T310R
Fixed-wing, multi-engine Individual owner
Oregon
Standard 2005-02-23 ValidFAA registration status code V: Valid registration. All codes
N587GF Cessna
T310R
Fixed-wing, multi-engine Individual owner
Texas
Standard 2005-02-22 ValidFAA registration status code V: Valid registration. All codes
N15CW Cessna
P210N
Fixed-wing, single engine N15Cw LLC
Wilmington, Delaware
Standard 2005-02-11 ValidFAA registration status code V: Valid registration. All codes
N1087S Beech
B36TC
Fixed-wing, single engine Volitation Ventures LLC
El Macero, California
Standard 2005-02-03 ValidFAA registration status code V: Valid registration. All codes
N210KT Cessna
T210M
Fixed-wing, single engine Individual owner
Illinois
Standard 2004-12-08 ValidFAA registration status code V: Valid registration. All codes
N340UM Cessna
340A
Fixed-wing, multi-engine Southwest Management Group INC
Farmington, New Mexico
Standard 2004-12-02 ValidFAA registration status code V: Valid registration. All codes
N340BJ Cessna
340A
Fixed-wing, multi-engine Great Western Aviation Leasing LLC
South Ogden, Utah
Standard 2004-11-22 ValidFAA registration status code V: Valid registration. All codes
N159Z Beech
58P
Fixed-wing, multi-engine Idaho State University
Pocatello, Idaho
Standard 2004-11-19 ValidFAA registration status code V: Valid registration. All codes
N3699G Beech
A36TC
Fixed-wing, single engine International Aerospace Solutions LLC
Jupiter Inlet, Florida
Standard 2004-11-18 ValidFAA registration status code V: Valid registration. All codes
N5537C Cessna
T210N
Fixed-wing, single engine M G Aviation
Tyler, Texas
Standard 2004-11-16 ValidFAA registration status code V: Valid registration. All codes
N10TT Cessna
P210N
Fixed-wing, single engine Co-owned owner
Texas
Standard 2004-11-15 ValidFAA registration status code V: Valid registration. All codes
N44463 Piper
PA-46-310P
Fixed-wing, single engine Sabine Financial Services INC
Wilmington, Delaware
Standard 2004-10-26 ValidFAA registration status code V: Valid registration. All codes
N761GE Cessna
T210M
Fixed-wing, single engine Teton Leasing LLC
Pocatello, Idaho
Standard 2004-10-25 ValidFAA registration status code V: Valid registration. All codes
N1670T Cessna
414
Fixed-wing, multi-engine Hyde Family Aviation LLC
Wilmington, Delaware
Standard 2004-10-20 ValidFAA registration status code V: Valid registration. All codes
N4939Y Cessna
T210N
Fixed-wing, single engine Individual owner
Texas
Standard 2004-10-19 ValidFAA registration status code V: Valid registration. All codes
N732EW Cessna
210L
Fixed-wing, single engine Co-owned owner
California
Standard 2004-10-15 ValidFAA registration status code V: Valid registration. All codes
N211LC Cessna
T210L
Fixed-wing, single engine Individual owner
New Mexico
Standard 2004-10-07 ValidFAA registration status code V: Valid registration. All codes
N4833A Cessna
340A
Fixed-wing, multi-engine Individual owner
Texas
Standard 2004-10-06 ValidFAA registration status code V: Valid registration. All codes
N52SE Cessna
P210N
Fixed-wing, single engine Individual owner
California
Standard 2004-10-06 ValidFAA registration status code V: Valid registration. All codes
N398LJ Beech
B36TC
Fixed-wing, single engine Dakota Heavy Equipment
Fargo, North Dakota
Standard 2004-10-05 ValidFAA registration status code V: Valid registration. All codes
N32BL Beech
B36TC
Fixed-wing, single engine Heiser and Associates INC
Novato, California
Standard 2004-10-01 ValidFAA registration status code V: Valid registration. All codes
N33BB Cessna
TU206G
Fixed-wing, single engine Individual owner
Colorado
Standard 2004-09-30 ValidFAA registration status code V: Valid registration. All codes
N2614L Cessna
402C
Fixed-wing, multi-engine Charter Flights Caribbean INC
San Juan, Puerto Rico
Standard 2004-09-23 ValidFAA registration status code V: Valid registration. All codes
N124WH Cessna
TU206G
Fixed-wing, single engine Hillcrest Aircraft CO INC
Lewiston, Idaho
Standard 2004-09-21 ValidFAA registration status code V: Valid registration. All codes
N5217C Cessna
T210N
Fixed-wing, single engine Hydro Wings INC
Valle Crucis, North Carolina
Standard 2004-09-21 ValidFAA registration status code V: Valid registration. All codes
N6967N Cessna
T210N
Fixed-wing, single engine Sand Creek Oil & Gas INC
Edmond, Oklahoma
Standard 2004-09-01 ValidFAA registration status code V: Valid registration. All codes
N761EU Cessna
T210M
Fixed-wing, single engine Individual owner
Colorado
Standard 2004-09-01 ValidFAA registration status code V: Valid registration. All codes
N6032N Cessna
T210M
Fixed-wing, single engine Hqgt210 LLC
Hugoton, Kansas
Standard 2004-08-20 ValidFAA registration status code V: Valid registration. All codes
N732PG Cessna
T210M
Fixed-wing, single engine Individual owner
Texas
Standard 2004-08-11 ValidFAA registration status code V: Valid registration. All codes
N6349U Beech
B36TC
Fixed-wing, single engine Airmann LLC
Mount Sterling, Kentucky
Standard 2004-08-06 ValidFAA registration status code V: Valid registration. All codes
N590FM Cessna
320D
Fixed-wing, multi-engine Trrek Enterprises LLC
Sunriver, Oregon
Standard 2004-07-29 ValidFAA registration status code V: Valid registration. All codes
N155DG Cessna
T210N
Fixed-wing, single engine Juliet Tango Flying Services LLC
Walnut Creek, California
Standard 2004-07-16 ValidFAA registration status code V: Valid registration. All codes
N410AB Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2004-07-15 ValidFAA registration status code V: Valid registration. All codes
N58JD Beech
58TC
Fixed-wing, multi-engine Individual owner
California
Standard 2004-07-06 ValidFAA registration status code V: Valid registration. All codes
N5130Y Cessna
T210N
Fixed-wing, single engine Merritt LLC
Leesburg, Virginia
Standard 2004-07-02 ValidFAA registration status code V: Valid registration. All codes
N9186T Cessna
T210M
Fixed-wing, single engine Epi Technologies INC
Antioch, Illinois
Standard 2004-06-16 ValidFAA registration status code V: Valid registration. All codes
N4799C Cessna
T210N
Fixed-wing, single engine Flying Horse LLC
Missoula, Montana
Standard 2004-06-10 ValidFAA registration status code V: Valid registration. All codes
N6442Y Cessna
T210N
Fixed-wing, single engine Pouppeville LLC
Tulsa, Oklahoma
Standard 2004-06-09 ValidFAA registration status code V: Valid registration. All codes
N340KG Cessna
340A
Fixed-wing, multi-engine Aero Vulcan LLC
Moody, Alabama
Standard 2004-06-07 ValidFAA registration status code V: Valid registration. All codes
N42MW Cessna
414A
Fixed-wing, multi-engine Co-owned owner
Arizona
Standard 2004-06-01 ValidFAA registration status code V: Valid registration. All codes
N340RB Cessna
340A
Fixed-wing, multi-engine Individual owner
Kansas
Standard 2004-04-07 ValidFAA registration status code V: Valid registration. All codes
N340CJ Cessna
340
Fixed-wing, multi-engine Individual owner
Texas
Standard 2004-04-06 ValidFAA registration status code V: Valid registration. All codes
N6048N Cessna
T210M
Fixed-wing, single engine Aero-Mach Labs INC
Wichita, Kansas
Standard 2004-04-06 ValidFAA registration status code V: Valid registration. All codes
N6519N Beech
B36TC
Fixed-wing, single engine Winged Chariot LLC
Cincinnati, Ohio
Standard 2004-03-26 ValidFAA registration status code V: Valid registration. All codes
N444HT Cessna
T310Q
Fixed-wing, multi-engine Taktos LTD
Corvallis, Oregon
Standard 2004-03-17 ValidFAA registration status code V: Valid registration. All codes
N9356Y Cessna
T210N
Fixed-wing, single engine Co-owned owner
California
Standard 2004-03-16 ValidFAA registration status code V: Valid registration. All codes
N8085Q Cessna
414
Fixed-wing, multi-engine Wes Hughes CORP
Waldron, Kansas
Standard 2004-03-15 ValidFAA registration status code V: Valid registration. All codes
N4796K Cessna
P210N
Fixed-wing, single engine 96K LLC
Cave Creek, Arizona
Standard 2004-03-05 ValidFAA registration status code V: Valid registration. All codes
N58TE Beech
58P
Fixed-wing, multi-engine Gtk Services LLC
Carbondale, Illinois
Standard 2004-02-25 ValidFAA registration status code V: Valid registration. All codes
N83D Cessna
414A
Fixed-wing, multi-engine Lake Placid Flying Service INC
Lake Placid, New York
Standard 2004-02-10 ValidFAA registration status code V: Valid registration. All codes
N441TT Cessna
402C
Fixed-wing, multi-engine Sunbird Airlines INC
San Juan, Puerto Rico
Standard 2004-01-14 ValidFAA registration status code V: Valid registration. All codes
N731QR Cessna
P210N
Fixed-wing, single engine Air Rosa LLC
Tupelo, Mississippi
Standard 2003-12-30 ValidFAA registration status code V: Valid registration. All codes
N6196N Cessna
T210N
Fixed-wing, single engine Co-owned owner
Arkansas
Standard 2003-11-21 ValidFAA registration status code V: Valid registration. All codes
N5223A Cessna
T210N
Fixed-wing, single engine General Plumbing INC
Walnut Creek, California
Standard 2003-11-18 ValidFAA registration status code V: Valid registration. All codes
N34GC Beech
B36TC
Fixed-wing, single engine Individual owner
California
Standard 2003-11-04 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.