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
N94PS Cessna
P210N
Fixed-wing, single engine Co-owned owner
Nevada
Standard 2003-10-29 ValidFAA registration status code V: Valid registration. All codes
N6402N Cessna
T210N
Fixed-wing, single engine Manos Con Alas Aviation
Stateline, Nevada
Standard 2003-10-20 ValidFAA registration status code V: Valid registration. All codes
N310CL Cessna
310R
Fixed-wing, multi-engine Individual owner
Florida
Standard 2003-09-23 ValidFAA registration status code V: Valid registration. All codes
N2247S Cessna
T210L
Fixed-wing, single engine Individual owner
Texas
Standard 2003-09-16 ValidFAA registration status code V: Valid registration. All codes
N1396A Beech
V35A
Fixed-wing, single engine Co-owned owner
Alabama
Standard 2003-09-12 ValidFAA registration status code V: Valid registration. All codes
N5519U Beech
A36
Fixed-wing, single engine Burlington Veterinary Systems LLC
Burlington, Kansas
Standard 2003-09-03 ValidFAA registration status code V: Valid registration. All codes
N6739C Beech
58P
Fixed-wing, multi-engine Individual owner
Oregon
Standard 2003-09-03 ValidFAA registration status code V: Valid registration. All codes
N637BE Piper
PA-46-310P
Fixed-wing, single engine Jzl CORP
Fort Collins, Colorado
Standard 2003-08-19 ValidFAA registration status code V: Valid registration. All codes
N310AD Cessna
T310R
Fixed-wing, multi-engine Individual owner
California
Standard 2003-08-14 ValidFAA registration status code V: Valid registration. All codes
N385R Piper
PA-46-310P
Fixed-wing, single engine Advanced Technology Distributors INC
Ceres, California
Standard 2003-08-14 ValidFAA registration status code V: Valid registration. All codes
N310JW Cessna
T310R
Fixed-wing, multi-engine Individual owner
Virginia
Standard 2003-07-08 ValidFAA registration status code V: Valid registration. All codes
N761DN Cessna
T210M
Fixed-wing, single engine Co-owned owner
California
Standard 2003-07-07 ValidFAA registration status code V: Valid registration. All codes
N4627Q Cessna
T210L
Fixed-wing, single engine Individual owner
Texas
Standard 2003-06-17 ValidFAA registration status code V: Valid registration. All codes
N4905C Cessna
T210N
Fixed-wing, single engine Anacapa Capital LLC
Fresno, California
Standard 2003-06-16 ValidFAA registration status code V: Valid registration. All codes
N950DC Beech
B36TC
Fixed-wing, single engine Co-owned owner
Nevada
Standard 2003-06-09 ValidFAA registration status code V: Valid registration. All codes
N210CX Cessna
T210L
Fixed-wing, single engine 210 Equipment LLC
Lexington, South Carolina
Standard 2003-06-06 ValidFAA registration status code V: Valid registration. All codes
N30374 Cessna
T210L
Fixed-wing, single engine Individual owner
California
Standard 2003-05-29 ValidFAA registration status code V: Valid registration. All codes
N525KW Cessna
T210L
Fixed-wing, single engine Individual owner
Arizona
Standard 2003-05-23 ValidFAA registration status code V: Valid registration. All codes
N307TT Beech
A36TC
Fixed-wing, single engine Charter Place LLC
Jackson, Wyoming
Standard 2003-05-12 ValidFAA registration status code V: Valid registration. All codes
N616RM Cessna
414
Fixed-wing, multi-engine Mnemonics INC
Melbourne, Florida
Standard 2003-05-12 ValidFAA registration status code V: Valid registration. All codes
N31MD Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2003-04-28 ValidFAA registration status code V: Valid registration. All codes
N234PT Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Jaguar Management Group LLC
Wilmington, Delaware
Standard 2003-04-25 ValidFAA registration status code V: Valid registration. All codes
N210MD Cessna
T210N
Fixed-wing, single engine Avmax Aviation LLC
Wilmington, Delaware
Standard 2003-03-26 ValidFAA registration status code V: Valid registration. All codes
N547C Cirrus Design Corp
SR22
Fixed-wing, single engine Individual owner
Washington
Standard 2003-03-26 ValidFAA registration status code V: Valid registration. All codes
N5263V Cessna
T210L
Fixed-wing, single engine Individual owner
Colorado
Standard 2003-03-18 ValidFAA registration status code V: Valid registration. All codes
N471HB Cessna
414
Fixed-wing, multi-engine Co-owned owner
California
Standard 2003-03-12 ValidFAA registration status code V: Valid registration. All codes
N414FA Cessna
414
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2003-03-11 ValidFAA registration status code V: Valid registration. All codes
N6228X Cessna
340A
Fixed-wing, multi-engine Mad Doog Aviation LLC
Kalispell, Montana
Standard 2003-03-06 ValidFAA registration status code V: Valid registration. All codes
N4LF Cessna
TU206G
Fixed-wing, single engine Macys Flying Service INC
Tulelake, California
Standard 2003-03-04 ValidFAA registration status code V: Valid registration. All codes
N105DF Cessna
T210R
Fixed-wing, single engine Westwood Aero INC
Porterville, California
Standard 2003-03-03 ValidFAA registration status code V: Valid registration. All codes
N414BM Cessna
414
Fixed-wing, multi-engine Individual owner
North Carolina
Standard 2003-03-03 ValidFAA registration status code V: Valid registration. All codes
N177PE Cessna
P210N
Fixed-wing, single engine Picabo Livestock CO
Picabo, Idaho
Standard 2003-01-29 ValidFAA registration status code V: Valid registration. All codes
N5168A Cessna
T210N
Fixed-wing, single engine Turning Final LLC
Granby, Colorado
Standard 2003-01-14 ValidFAA registration status code V: Valid registration. All codes
N2651S Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 2003-01-07 ValidFAA registration status code V: Valid registration. All codes
N813DM Cessna
T210L
Fixed-wing, single engine Ap-1 LLC
Newman Lake, Washington
Standard 2002-12-18 ValidFAA registration status code V: Valid registration. All codes
N761BL Cessna
T210M
Fixed-wing, single engine Co-owned owner
California
Standard 2002-12-16 ValidFAA registration status code V: Valid registration. All codes
N628TT Cessna
T210N
Fixed-wing, single engine Individual owner
Texas
Standard 2002-12-03 ValidFAA registration status code V: Valid registration. All codes
N84HC Cessna
340A
Fixed-wing, multi-engine Individual owner
South Carolina
Standard 2002-12-02 ValidFAA registration status code V: Valid registration. All codes
N6413P Cessna
P210N
Fixed-wing, single engine Alta Air LLC
Boise, Idaho
Standard 2002-11-14 ValidFAA registration status code V: Valid registration. All codes
N192AF Cessna
414A
Fixed-wing, multi-engine Co-owned owner
Minnesota
Standard 2002-11-13 ValidFAA registration status code V: Valid registration. All codes
N674PC Cessna
340A
Fixed-wing, multi-engine Co-owned owner
Kansas
Standard 2002-10-23 ValidFAA registration status code V: Valid registration. All codes
N4729C Cessna
T210N
Fixed-wing, single engine Individual owner
Utah
Standard 2002-10-18 ValidFAA registration status code V: Valid registration. All codes
N17GP Beech
58P
Fixed-wing, multi-engine Red River Partners LLC
Edmond, Oklahoma
Standard 2002-10-11 ValidFAA registration status code V: Valid registration. All codes
N6408Q Beech
58P
Fixed-wing, multi-engine Aftershock Marketing INC
Henryville, Pennsylvania
Standard 2002-10-09 ValidFAA registration status code V: Valid registration. All codes
N30EE Cessna
414A
Fixed-wing, multi-engine Enterprises Aviation INC
Piedmont, South Dakota
Standard 2002-09-25 ValidFAA registration status code V: Valid registration. All codes
N37GM Cessna
340A
Fixed-wing, multi-engine Craft Engineering Associates INC
Hampton, Virginia
Standard 2002-09-10 ValidFAA registration status code V: Valid registration. All codes
N92DL Cessna
340A
Fixed-wing, multi-engine Davis Air LLC
Phoenix, Arizona
Standard 2002-09-04 ValidFAA registration status code V: Valid registration. All codes
N2730M Cessna
414A
Fixed-wing, multi-engine Sua LLC
Artesia, New Mexico
Standard 2002-07-24 ValidFAA registration status code V: Valid registration. All codes
N3063W Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Individual owner
California
Standard 2002-06-25 ValidFAA registration status code V: Valid registration. All codes
N340N Cessna
340A
Fixed-wing, multi-engine N-Number INC
Santa Fe, New Mexico
Standard 2002-06-21 ValidFAA registration status code V: Valid registration. All codes
N1821E Cessna
T310R
Fixed-wing, multi-engine Hth Companies INC
Union, Missouri
Standard 2002-06-17 ValidFAA registration status code V: Valid registration. All codes
N303CC Cessna
T303
Fixed-wing, multi-engine Spectrum Aviation INC
Wilmington, Delaware
Standard 2002-06-04 ValidFAA registration status code V: Valid registration. All codes
N414CD Cessna
414
Fixed-wing, multi-engine Repinter (Delaware) INC
Coral Gables, Florida
None on file 2002-05-03 ValidFAA registration status code V: Valid registration. All codes
N58MA Cessna
T210M
Fixed-wing, single engine Individual owner
Texas
Standard 2002-05-01 ValidFAA registration status code V: Valid registration. All codes
N223SC Cessna
TU206F
Fixed-wing, single engine Surdex CORP
Chesterfield, Missouri
Standard 2002-04-23 ValidFAA registration status code V: Valid registration. All codes
N47KK Cessna
T303
Fixed-wing, multi-engine Individual owner
Florida
Standard 2002-04-18 ValidFAA registration status code V: Valid registration. All codes
N99YZ Cessna
T210N
Fixed-wing, single engine Edwal Aviation LLC
Reno, Nevada
Standard 2002-04-08 ValidFAA registration status code V: Valid registration. All codes
N4771K Cessna
P210N
Fixed-wing, single engine Individual owner
Colorado
Standard 2002-04-01 ValidFAA registration status code V: Valid registration. All codes
N6931R Cessna
T210H
Fixed-wing, single engine Co-owned owner
Washington
Standard 2002-03-27 ValidFAA registration status code V: Valid registration. All codes
N86MT Cessna
P210N
Fixed-wing, single engine White Knuckles Aviation LLC
Carson City, Nevada
Standard 2002-03-27 ValidFAA registration status code V: Valid registration. All codes
N6538N Cessna
T210N
Fixed-wing, single engine Co-owned owner
Washington
Standard 2002-03-05 ValidFAA registration status code V: Valid registration. All codes
N410DR Beech
58TC
Fixed-wing, multi-engine Jmsat CORP
Moneta, Virginia
Standard 2002-02-21 ValidFAA registration status code V: Valid registration. All codes
N400WT Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Artspret Aviation LLC
Sugar Grove, Illinois
Standard 2002-02-07 ValidFAA registration status code V: Valid registration. All codes
N236RM Beech
A36TC
Fixed-wing, single engine Individual owner
Illinois
Standard 2002-02-06 ValidFAA registration status code V: Valid registration. All codes
N210CC Cessna
T210N
Fixed-wing, single engine Individual owner
Texas
Standard 2002-01-23 ValidFAA registration status code V: Valid registration. All codes
N6631C Cessna
414A
Fixed-wing, multi-engine D Porter Enterprises LLC
Dickinson, North Dakota
Standard 2002-01-17 ValidFAA registration status code V: Valid registration. All codes
N72CG Beech
58P
Fixed-wing, multi-engine Individual owner
Arizona
Standard 2001-12-13 ValidFAA registration status code V: Valid registration. All codes
N6084B Cessna
T210M
Fixed-wing, single engine Centurion Aviation LTD
Salina, Kansas
Standard 2001-12-04 ValidFAA registration status code V: Valid registration. All codes
N6397Y Cessna
T210N
Fixed-wing, single engine Individual owner
California
Standard 2001-11-28 ValidFAA registration status code V: Valid registration. All codes
N701CJ Cessna
401A
Fixed-wing, multi-engine Centurion Aviation LTD
Salina, Kansas
Standard 2001-11-27 ValidFAA registration status code V: Valid registration. All codes
N732UM Cessna
T210M
Fixed-wing, single engine Co-owned owner
New Mexico
Standard 2001-10-30 ValidFAA registration status code V: Valid registration. All codes
N285TC North American
NAVION A
Fixed-wing, single engine Individual owner
Ohio
Standard 2001-10-24 ValidFAA registration status code V: Valid registration. All codes
N335DD Cessna
335
Fixed-wing, multi-engine Jab Aviation INC
Wilmington, Delaware
Standard 2001-10-17 ValidFAA registration status code V: Valid registration. All codes
N75GL Cessna
T210L
Fixed-wing, single engine Skyshare LLC
Boulder, Colorado
Standard 2001-09-25 ValidFAA registration status code V: Valid registration. All codes
N414LM Cessna
414A
Fixed-wing, multi-engine Fawnbrook Aviation LLC
Glendora, California
Standard 2001-09-21 ValidFAA registration status code V: Valid registration. All codes
N68752 Cessna
402C
Fixed-wing, multi-engine Hyannis Air Service INC
Hyannis, Massachusetts
Standard 2001-09-17 ValidFAA registration status code V: Valid registration. All codes
N6969Y Cessna
T210F
Fixed-wing, single engine Individual owner
California
Standard 2001-08-23 ValidFAA registration status code V: Valid registration. All codes
N36YB Beech
B36TC
Fixed-wing, single engine Grey Fox CORP
La Canada Flt, California
Standard 2001-08-15 ValidFAA registration status code V: Valid registration. All codes
N9977J Cessna
T188C
Fixed-wing, single engine Boening Bros Dusting & Spraying INC
Floresville, Texas
Restricted 2001-06-27 ValidFAA registration status code V: Valid registration. All codes
N761QX Cessna
T210M
Fixed-wing, single engine Aerial Art Photography
Altadena, California
Standard 2001-06-16 ValidFAA registration status code V: Valid registration. All codes
N15US Cessna
T210L
Fixed-wing, single engine Flypower INC
Fort Lauderdale, Florida
Standard 2001-06-01 ValidFAA registration status code V: Valid registration. All codes
N6664L Beech
A36TC
Fixed-wing, single engine Tt Aviation LLC
Oxnard, California
Standard 2001-05-17 ValidFAA registration status code V: Valid registration. All codes
N731NZ Cessna
P210N
Fixed-wing, single engine Woodgrain Millwork Transportation LLC
Fruitland, Idaho
Standard 2001-05-17 ValidFAA registration status code V: Valid registration. All codes
N8463Q Cessna
TU206F
Fixed-wing, single engine Co-owned owner
Idaho
Standard 2001-04-13 ValidFAA registration status code V: Valid registration. All codes
N30774 Beech
B36TC
Fixed-wing, single engine Stucco Supply CO of San Jose INC
San Jose, California
Standard 2001-04-12 ValidFAA registration status code V: Valid registration. All codes
N858ML Beech
58P
Fixed-wing, multi-engine Lang INC
Wilmington, Delaware
Standard 2001-03-19 ValidFAA registration status code V: Valid registration. All codes
N1717X Cessna
T210G
Fixed-wing, single engine Say Plastics INC
Jacksonville, Texas
Standard 2001-03-02 ValidFAA registration status code V: Valid registration. All codes
N240HC Beech
58P
Fixed-wing, multi-engine Co-owned owner
California
Standard 2001-02-08 ValidFAA registration status code V: Valid registration. All codes
N4HA Cessna
T303
Fixed-wing, multi-engine Individual owner
Michigan
Standard 2001-02-02 ValidFAA registration status code V: Valid registration. All codes
N4918U Cessna
TU206G
Fixed-wing, single engine Mission Aviation Fellowship
Nampa, Idaho
Standard 2001-01-24 ValidFAA registration status code V: Valid registration. All codes
N52PC Ditsch C/Ditsch P
LANCAIR IV-P
Fixed-wing, single engine Co-owned owner
Texas
Experimental 2001-01-11 ValidFAA registration status code V: Valid registration. All codes
N4235C Cessna
414
Fixed-wing, multi-engine Colville LLC
Signal Mountain, Tennessee
Standard 2000-11-09 ValidFAA registration status code V: Valid registration. All codes
N1351R Beech
A36TC
Fixed-wing, single engine N1351R INC
Middletown, Delaware
Standard 2000-11-03 ValidFAA registration status code V: Valid registration. All codes
N4806J Beech
V35
Fixed-wing, single engine Individual owner
Florida
Standard 2000-10-24 ValidFAA registration status code V: Valid registration. All codes
N2732T Cessna
414A
Fixed-wing, multi-engine Jellor Realty INC
Los Angeles, California
Standard 2000-10-16 ValidFAA registration status code V: Valid registration. All codes
N303DK Cessna
T303
Fixed-wing, multi-engine Trading Planes INC
Wilmington, Delaware
Standard 2000-10-16 ValidFAA registration status code V: Valid registration. All codes
N4660J Cessna
T188C
Fixed-wing, single engine Individual owner
Michigan
Restricted 2000-10-10 ValidFAA registration status code V: Valid registration. All codes
N721 Cessna
TU206G
Fixed-wing, single engine Department of the Interior
Boise, Idaho
Standard 2000-10-10 ValidFAA registration status code V: Valid registration. All codes
N1008A Cessna
402
Fixed-wing, multi-engine Aerial Surveys International LLC
Watkins, Colorado
Standard 2000-10-06 ValidFAA registration status code V: Valid registration. All codes
N19FB Cessna
T210M
Fixed-wing, single engine Individual owner
Illinois
Standard 2000-09-21 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.