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
N717MR Cessna
P210N
Fixed-wing, single engine St Johns Aviation Partners II
Beaumont, Texas
Standard 2018-11-27 ValidFAA registration status code V: Valid registration. All codes
N2268C Cessna
T303
Fixed-wing, multi-engine Cozach LLC
Wilmington, Delaware
Standard 2018-11-26 ValidFAA registration status code V: Valid registration. All codes
N5320J Cessna
340A
Fixed-wing, multi-engine Corporate Air Charter INC
Wilmington, Delaware
Standard 2018-11-21 ValidFAA registration status code V: Valid registration. All codes
N4785U Cessna
T210N
Fixed-wing, single engine New England Vascular Access LLC
Bristol, New Hampshire
Standard 2018-11-20 ValidFAA registration status code V: Valid registration. All codes
N2085S Cessna
T210L
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2018-11-13 ValidFAA registration status code V: Valid registration. All codes
N731NR Cessna
P210N
Fixed-wing, single engine Wife Approved LLC
Torrance, California
Standard 2018-11-06 ValidFAA registration status code V: Valid registration. All codes
N19LB Cessna
T210N
Fixed-wing, single engine Co-owned owner
California
Standard 2018-11-03 ValidFAA registration status code V: Valid registration. All codes
N99PA Beech
58P
Fixed-wing, multi-engine Individual owner
Alabama
Standard 2018-11-03 ValidFAA registration status code V: Valid registration. All codes
N44KR Beech
B36TC
Fixed-wing, single engine Individual owner
Georgia
Standard 2018-10-31 ValidFAA registration status code V: Valid registration. All codes
N340YC Cessna
340A
Fixed-wing, multi-engine Ba Air LLC
Searcy, Arkansas
Standard 2018-10-29 ValidFAA registration status code V: Valid registration. All codes
N2423S Cessna
T210L
Fixed-wing, single engine Aircraft Sales LLC
Caledonia, Michigan
Standard 2018-10-27 ValidFAA registration status code V: Valid registration. All codes
N645WC Cessna
414
Fixed-wing, multi-engine Co-owned owner
Oregon
Standard 2018-10-27 ValidFAA registration status code V: Valid registration. All codes
N59KJ Beech
B36TC
Fixed-wing, single engine Spike LLC
Cheyenne, Wyoming
Standard 2018-10-25 ValidFAA registration status code V: Valid registration. All codes
N81DT Cessna
T210N
Fixed-wing, single engine Kbk Aviation LLC
Youngsville, Louisiana
Standard 2018-10-25 ValidFAA registration status code V: Valid registration. All codes
N120PC Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2018-10-24 ValidFAA registration status code V: Valid registration. All codes
N258PB Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 2018-10-24 ValidFAA registration status code V: Valid registration. All codes
N375R Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2018-10-24 ValidFAA registration status code V: Valid registration. All codes
N409BK Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2018-10-24 ValidFAA registration status code V: Valid registration. All codes
N414LP Cessna
414A
Fixed-wing, multi-engine Individual owner
Texas
Standard 2018-10-24 ValidFAA registration status code V: Valid registration. All codes
N75VR Cessna
P210N
Fixed-wing, single engine Slt Global Alliances LLC
Las Vegas, Nevada
Standard 2018-10-24 ValidFAA registration status code V: Valid registration. All codes
N83PB Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2018-10-24 ValidFAA registration status code V: Valid registration. All codes
N991AA Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2018-10-24 ValidFAA registration status code V: Valid registration. All codes
N4617W Cessna
P210N
Fixed-wing, single engine Co-owned owner
California
Standard 2018-10-12 ValidFAA registration status code V: Valid registration. All codes
N1627T Cessna
414
Fixed-wing, multi-engine Sierra Leasing LLC
Sheffield, Alabama
Standard 2018-10-11 ValidFAA registration status code V: Valid registration. All codes
N1905E Cessna
340A
Fixed-wing, multi-engine Individual owner
Texas
Standard 2018-10-09 ValidFAA registration status code V: Valid registration. All codes
N247GS Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC DBA
Hyannis, Massachusetts
Standard 2018-10-09 ValidFAA registration status code V: Valid registration. All codes
N341JP Cessna
340A
Fixed-wing, multi-engine Red Arrow Leasing INC
Paw Paw, Michigan
Standard 2018-10-09 ValidFAA registration status code V: Valid registration. All codes
N210VV Cessna
T210N
Fixed-wing, single engine Co-owned owner
California
Standard 2018-10-04 ValidFAA registration status code V: Valid registration. All codes
N4981C Cessna
T210N
Fixed-wing, single engine Individual owner
Texas
Standard 2018-10-03 ValidFAA registration status code V: Valid registration. All codes
N5261J Cessna
414
Fixed-wing, multi-engine Ac67333 INC
Wilmington, Delaware
Standard 2018-10-02 ValidFAA registration status code V: Valid registration. All codes
N7JN Raytheon Aircraft Company
B36TC
Fixed-wing, single engine B & K Steel & Supply INC
Ogden, Utah
Standard 2018-10-02 ValidFAA registration status code V: Valid registration. All codes
N1215M Cessna
T210M
Fixed-wing, single engine Individual owner
Iowa
Standard 2018-09-26 ValidFAA registration status code V: Valid registration. All codes
N4604N Cessna
340A
Fixed-wing, multi-engine S O W Aviation LLC
Crystal River, Florida
Standard 2018-09-25 ValidFAA registration status code V: Valid registration. All codes
N6834A Beech
B36TC
Fixed-wing, single engine Plum Family Buildings LLC
Marengo, Iowa
Standard 2018-09-24 ValidFAA registration status code V: Valid registration. All codes
N74MM Cessna
T210L
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2018-09-24 ValidFAA registration status code V: Valid registration. All codes
N341SC Cessna
340A
Fixed-wing, multi-engine Shedd Aviation LLC
Columbus, Indiana
Standard 2018-09-20 ValidFAA registration status code V: Valid registration. All codes
N210C Cessna
P210N
Fixed-wing, single engine Jettech Holdings LLC
Broomfield, Colorado
Standard 2018-09-17 ValidFAA registration status code V: Valid registration. All codes
N895AC Cessna
340A
Fixed-wing, multi-engine Tejas Cavu LLC
Wilmington, Delaware
Standard 2018-09-15 ValidFAA registration status code V: Valid registration. All codes
N9986M Cessna
TU206G
Fixed-wing, single engine Individual owner
North Dakota
Standard 2018-09-15 ValidFAA registration status code V: Valid registration. All codes
N414ML Cessna
414
Fixed-wing, multi-engine Down River Investments INC
Bailey, Colorado
Standard 2018-09-08 ValidFAA registration status code V: Valid registration. All codes
N310FJ Cessna
T310Q
Fixed-wing, multi-engine Individual owner
Idaho
Standard 2018-08-31 ValidFAA registration status code V: Valid registration. All codes
N2031Z Beech
58P
Fixed-wing, multi-engine Individual owner
Texas
Standard 2018-08-30 ValidFAA registration status code V: Valid registration. All codes
N80TZ Beech
58P
Fixed-wing, multi-engine Huron Aviation Services LLC
Alpena, Michigan
Standard 2018-08-23 ValidFAA registration status code V: Valid registration. All codes
N2181S Cessna
T210L
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2018-08-21 ValidFAA registration status code V: Valid registration. All codes
N36HW Beech
A36TC
Fixed-wing, single engine Hw INC
Omaha, Nebraska
Standard 2018-08-21 ValidFAA registration status code V: Valid registration. All codes
N772MD Beech
B36TC
Fixed-wing, single engine Mary Rabbit LLC
Saratoga, California
Standard 2018-08-18 ValidFAA registration status code V: Valid registration. All codes
N7532N Cessna
TU206G
Fixed-wing, single engine Eagle Air LLC
Morgantown, West Virginia
Standard 2018-08-15 ValidFAA registration status code V: Valid registration. All codes
N12EV Piper
PA-46-310P
Fixed-wing, single engine Daedalus LLC
Little Rock, Arkansas
Standard 2018-08-09 ValidFAA registration status code V: Valid registration. All codes
N340KC Cessna
340A
Fixed-wing, multi-engine Withheld at owner's request
Standard 2018-08-08 ValidFAA registration status code V: Valid registration. All codes
N5PA Beech
A36TC
Fixed-wing, single engine Final Design Group LLC
Hurricane, Utah
Standard 2018-08-08 ValidFAA registration status code V: Valid registration. All codes
N6779B Cessna
T210M
Fixed-wing, single engine Withheld at owner's request
Standard 2018-08-07 ValidFAA registration status code V: Valid registration. All codes
N5527A Cessna
P210R
Fixed-wing, single engine Mokiy LLC
Aurora, Oregon
Standard 2018-08-06 ValidFAA registration status code V: Valid registration. All codes
N333SR Beech
58P
Fixed-wing, multi-engine Rocky Mountain High Aviation LLC
Boulder, Colorado
Standard 2018-08-02 ValidFAA registration status code V: Valid registration. All codes
N1119T Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Best Transportation INC
Newark, New Jersey
Standard 2018-08-01 ValidFAA registration status code V: Valid registration. All codes
N340RR Cessna
340
Fixed-wing, multi-engine Custom Data Engineering INC
Phoenix, Arizona
Standard 2018-07-31 ValidFAA registration status code V: Valid registration. All codes
N6752X Beech
58P
Fixed-wing, multi-engine Individual owner
California
Standard 2018-07-31 ValidFAA registration status code V: Valid registration. All codes
N761KB Cessna
T210M
Fixed-wing, single engine One Kilo Bravo
Renton, Washington
Standard 2018-07-26 ValidFAA registration status code V: Valid registration. All codes
N303CM Cessna
T303
Fixed-wing, multi-engine Advantage Aviation INC
Charlotte, North Carolina
Standard 2018-07-25 ValidFAA registration status code V: Valid registration. All codes
N928CR Cessna
340A
Fixed-wing, multi-engine Casas de Colores INC
Santa Fe, New Mexico
Standard 2018-07-23 ValidFAA registration status code V: Valid registration. All codes
N1896L Beech
58TC
Fixed-wing, multi-engine Golf Lima Aviation LLC
Port Angeles, Washington
Standard 2018-07-19 ValidFAA registration status code V: Valid registration. All codes
N4AH Cessna
TU206G
Fixed-wing, single engine Individual owner
Alaska
Standard 2018-07-18 ValidFAA registration status code V: Valid registration. All codes
N6059S Beech
58P
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2018-07-18 ValidFAA registration status code V: Valid registration. All codes
N25LR Beech
A36TC
Fixed-wing, single engine Roam Airlines LLC
Eugene, Oregon
Standard 2018-07-10 ValidFAA registration status code V: Valid registration. All codes
N37268 Cessna
T310R
Fixed-wing, multi-engine H & S Aircraft LLC
Lewes, Delaware
Standard 2018-07-10 ValidFAA registration status code V: Valid registration. All codes
N8036T Beech
A36TC
Fixed-wing, single engine Co-owned owner
California
Standard 2018-07-10 ValidFAA registration status code V: Valid registration. All codes
N112EW Cessna
T210L
Fixed-wing, single engine Individual owner
California
Standard 2018-07-02 ValidFAA registration status code V: Valid registration. All codes
N761CW Cessna
T210N
Fixed-wing, single engine One Charlie Whiskey LLC
Austin, Texas
Standard 2018-07-02 ValidFAA registration status code V: Valid registration. All codes
N43412 Piper
PA-46-310P
Fixed-wing, single engine Withheld at owner's request
Standard 2018-06-28 ValidFAA registration status code V: Valid registration. All codes
N277CT Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Co-owned owner
Texas
Standard 2018-06-27 ValidFAA registration status code V: Valid registration. All codes
N402BK Cessna
402C
Fixed-wing, multi-engine N402Bk LLC
Nantucket, Massachusetts
Standard 2018-06-25 ValidFAA registration status code V: Valid registration. All codes
N406BK Cessna
402C
Fixed-wing, multi-engine N406Bk LLC
Nantucket, Massachusetts
Standard 2018-06-25 ValidFAA registration status code V: Valid registration. All codes
N731HR Cessna
P210N
Fixed-wing, single engine Individual owner
California
Standard 2018-06-25 ValidFAA registration status code V: Valid registration. All codes
N4391E Piper
PA-46-310P
Fixed-wing, single engine N4391E LLC
Scottsdale, Arizona
Standard 2018-06-19 ValidFAA registration status code V: Valid registration. All codes
N701MD Cessna
T210N
Fixed-wing, single engine Del Mar Aviation LLC
Algona, Iowa
Standard 2018-06-12 ValidFAA registration status code V: Valid registration. All codes
N500WP Beech
B36TC
Fixed-wing, single engine Individual owner
California
Standard 2018-06-06 ValidFAA registration status code V: Valid registration. All codes
N40PG Beech
58P
Fixed-wing, multi-engine Individual owner
California
Special flight permit 2018-06-04 ValidFAA registration status code V: Valid registration. All codes
N6930S Beech
B36TC
Fixed-wing, single engine Individual owner
Wisconsin
Standard 2018-05-25 ValidFAA registration status code V: Valid registration. All codes
N29084 Cessna
T210L
Fixed-wing, single engine D e C Holdings
Hansen, Idaho
Standard 2018-05-15 ValidFAA registration status code V: Valid registration. All codes
N8145Q Cessna
414
Fixed-wing, multi-engine Western Nebraska Community College
Scottsbluff, Nebraska
Standard 2018-05-14 ValidFAA registration status code V: Valid registration. All codes
N584DS Beech
58P
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2018-05-10 ValidFAA registration status code V: Valid registration. All codes
N5827M Cessna
340
Fixed-wing, multi-engine Individual owner
Tennessee
Standard 2018-05-09 ValidFAA registration status code V: Valid registration. All codes
N761JM Cessna
T210M
Fixed-wing, single engine Four Star Ranch INC
Randlett, Utah
Standard 2018-05-08 ValidFAA registration status code V: Valid registration. All codes
N45TF Cessna
340A
Fixed-wing, multi-engine Wave Transportation LLC
Middletown, Delaware
Standard 2018-05-04 ValidFAA registration status code V: Valid registration. All codes
N357JT Beech
A36TC
Fixed-wing, single engine Club Bo A36 LLC
Helena, Montana
Standard 2018-05-03 ValidFAA registration status code V: Valid registration. All codes
N20JN Cessna
340A
Fixed-wing, multi-engine Gana Trucking & Excavating INC
Martell, Nebraska
Standard 2018-05-02 ValidFAA registration status code V: Valid registration. All codes
N5394X Cessna
TU206G
Fixed-wing, single engine L K Hollenbeak Logging INC
Hayfork, California
Standard 2018-04-23 ValidFAA registration status code V: Valid registration. All codes
N6039T Beech
58TC
Fixed-wing, multi-engine Individual owner
Montana
Standard 2018-04-16 ValidFAA registration status code V: Valid registration. All codes
N2735J Cessna
414A
Fixed-wing, multi-engine Alpha 414A LLC
New Smyrna Beach, Florida
Standard 2018-04-11 ValidFAA registration status code V: Valid registration. All codes
N9DV Beech
A36TC
Fixed-wing, single engine Individual owner
North Carolina
Standard 2018-04-11 ValidFAA registration status code V: Valid registration. All codes
N11BN Cessna
414A
Fixed-wing, multi-engine Alpha 414A LLC
New Smyrna Beach, Florida
Standard 2018-04-10 ValidFAA registration status code V: Valid registration. All codes
N36961 Cessna
414A
Fixed-wing, multi-engine Alpha 414A LLC
New Smyrna Beach, Florida
Standard 2018-04-10 ValidFAA registration status code V: Valid registration. All codes
N4816J Cessna
T188C
Fixed-wing, single engine Individual owner
North Dakota
Restricted 2018-04-06 ValidFAA registration status code V: Valid registration. All codes
N58RA Beech
58P
Fixed-wing, multi-engine Co-owned owner
Arizona
Standard 2018-04-03 ValidFAA registration status code V: Valid registration. All codes
N90RW Cessna
T210N
Fixed-wing, single engine Individual owner
New Mexico
Standard 2018-04-03 ValidFAA registration status code V: Valid registration. All codes
N732UJ Cessna
T210M
Fixed-wing, single engine Co-owned owner
Texas
Standard 2018-04-02 ValidFAA registration status code V: Valid registration. All codes
N4743X Cessna
TU206G
Fixed-wing, single engine Aerotech Mapping INC
Las Vegas, Nevada
Standard 2018-03-30 ValidFAA registration status code V: Valid registration. All codes
N381TC Beech
58TC
Fixed-wing, multi-engine Individual owner
Texas
Standard 2018-03-26 ValidFAA registration status code V: Valid registration. All codes
N78MW Cessna
TU206F
Fixed-wing, single engine Symple Consulting LLC
Topeka, Kansas
Standard 2018-03-26 ValidFAA registration status code V: Valid registration. All codes
N3708K Beech
A36TC
Fixed-wing, single engine Individual owner
Oklahoma
Standard 2018-03-21 ValidFAA registration status code V: Valid registration. All codes
N449LL Beech
B36TC
Fixed-wing, single engine Plane Fun INC Tr Trustee
Snellville, Georgia
Standard 2018-03-21 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.