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
N7346P Cessna
P210N
Fixed-wing, single engine Integrated Avionics Services INC
Hampstead, Maryland
Standard 2013-01-31 ValidFAA registration status code V: Valid registration. All codes
N761WH Cessna
T210M
Fixed-wing, single engine Co-owned owner
Idaho
Standard 2013-01-25 ValidFAA registration status code V: Valid registration. All codes
N5421J Cessna
340A
Fixed-wing, multi-engine Individual owner
California
Standard 2013-01-22 ValidFAA registration status code V: Valid registration. All codes
N136TC Beech
A36TC
Fixed-wing, single engine Individual owner
California
Standard 2013-01-09 ValidFAA registration status code V: Valid registration. All codes
N7384C Cessna
T210N
Fixed-wing, single engine Fesco Holdings INC
Alice, Texas
Standard 2013-01-03 ValidFAA registration status code V: Valid registration. All codes
N65RP Cessna
414A
Fixed-wing, multi-engine E-Co Aviation LLC
Wilmington, Delaware
Standard 2012-12-31 ValidFAA registration status code V: Valid registration. All codes
N340AB Cessna
340A
Fixed-wing, multi-engine Bison Investment Advisors INC
Lafayette, Indiana
Standard 2012-12-10 ValidFAA registration status code V: Valid registration. All codes
N5383A Cessna
T210N
Fixed-wing, single engine Individual owner
Georgia
Standard 2012-12-06 ValidFAA registration status code V: Valid registration. All codes
N813JS Piper
PA-32R-301T
Fixed-wing, single engine Diamondhead Aviation LLC
Omaha, Nebraska
Standard 2012-12-05 ValidFAA registration status code V: Valid registration. All codes
N200WR Cessna
T210M
Fixed-wing, single engine Individual owner
Kansas
Standard 2012-12-04 ValidFAA registration status code V: Valid registration. All codes
N181TX Cessna
TU206G
Fixed-wing, single engine Addie-Air INC
Bridgeport, Texas
Standard 2012-12-03 ValidFAA registration status code V: Valid registration. All codes
N274HA Cessna
T210N
Fixed-wing, single engine Pacific Rain INC
Arroyo Grande, California
Standard 2012-11-28 ValidFAA registration status code V: Valid registration. All codes
N410JC Piper
PA-46-310P
Fixed-wing, single engine Fbn Holding CORP
Larkspur, California
Standard 2012-11-28 ValidFAA registration status code V: Valid registration. All codes
N6582X Cessna
TU206G
Fixed-wing, single engine Individual owner
California
Standard 2012-11-21 ValidFAA registration status code V: Valid registration. All codes
N5NM Cessna
414A
Fixed-wing, multi-engine Individual owner
Montana
Standard 2012-11-16 ValidFAA registration status code V: Valid registration. All codes
N210CP Cessna
P210N
Fixed-wing, single engine Individual owner
California
Standard 2012-11-15 ValidFAA registration status code V: Valid registration. All codes
N6694N Cessna
T210N
Fixed-wing, single engine Gear Down LLC
Dalhart, Texas
Standard 2012-11-05 ValidFAA registration status code V: Valid registration. All codes
N4528J Cessna
T188C
Fixed-wing, single engine Robertson Crop Dusting Service INC
South Haven, Michigan
Restricted 2012-11-01 ValidFAA registration status code V: Valid registration. All codes
N9095S Piper
PA-46-310P
Fixed-wing, single engine Powers Land Management Service INC
Lyons, Indiana
Standard 2012-11-01 ValidFAA registration status code V: Valid registration. All codes
N600WL Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2012-10-31 ValidFAA registration status code V: Valid registration. All codes
N5409G Cessna
404
Fixed-wing, multi-engine Richland Aviation INC
Sidney, Montana
Standard 2012-10-26 ValidFAA registration status code V: Valid registration. All codes
N8130R Beech
B36TC
Fixed-wing, single engine Individual owner
Michigan
Standard 2012-10-26 ValidFAA registration status code V: Valid registration. All codes
N6308H Cessna
T207A
Fixed-wing, single engine American Aviation INC
Page, Arizona
Standard 2012-10-25 ValidFAA registration status code V: Valid registration. All codes
N305LW Mooney Aircraft Corp.
M20K
Fixed-wing, single engine Professional Flyers CORP
Wilmington, Delaware
Standard 2012-10-24 ValidFAA registration status code V: Valid registration. All codes
N777VB Beech
B36TC
Fixed-wing, single engine Arizona Thunderbolts LLC
Scottsdale, Arizona
Standard 2012-10-17 ValidFAA registration status code V: Valid registration. All codes
N274DC Cessna
340A
Fixed-wing, multi-engine Maggie 288 LLC
Quincy, Washington
Standard 2012-10-05 ValidFAA registration status code V: Valid registration. All codes
N85ME Beech
58P
Fixed-wing, multi-engine Global Petroleum Services LLC
Greenville, South Carolina
Standard 2012-10-02 ValidFAA registration status code V: Valid registration. All codes
N303JP Cessna
T303
Fixed-wing, multi-engine Jep INC
Clarksville, Tennessee
Standard 2012-10-01 ValidFAA registration status code V: Valid registration. All codes
N6677L Beech
58P
Fixed-wing, multi-engine Aeropacific Consulting LLC
Reno, Nevada
Standard 2012-10-01 ValidFAA registration status code V: Valid registration. All codes
N303AB Cessna
T303
Fixed-wing, multi-engine Marc INC
Bolton, Mississippi
Standard 2012-09-28 ValidFAA registration status code V: Valid registration. All codes
N340EE Cessna
340A
Fixed-wing, multi-engine Individual owner
New Hampshire
Standard 2012-09-20 ValidFAA registration status code V: Valid registration. All codes
N7632Q Cessna
340
Fixed-wing, multi-engine Premier Helicopters LLC
Carson City, Nevada
Standard 2012-09-18 ValidFAA registration status code V: Valid registration. All codes
N6299P Cessna
P210N
Fixed-wing, single engine Co-owned owner
Idaho
Standard 2012-09-13 ValidFAA registration status code V: Valid registration. All codes
N5122Q Cessna
T210L
Fixed-wing, single engine Pyxis LLC
Cheyenne, Wyoming
Standard 2012-09-06 ValidFAA registration status code V: Valid registration. All codes
N65376 Beech
B36TC
Fixed-wing, single engine Individual owner
California
Standard 2012-09-05 ValidFAA registration status code V: Valid registration. All codes
N504JW Cessna
T210N
Fixed-wing, single engine Individual owner
Texas
Standard 2012-08-31 ValidFAA registration status code V: Valid registration. All codes
N248 Raytheon Aircraft Company
B36TC
Fixed-wing, single engine G e Flight Services LLC
Clarksdale, Mississippi
Standard 2012-08-27 ValidFAA registration status code V: Valid registration. All codes
N761CN Cessna
T210M
Fixed-wing, single engine Individual owner
Wyoming
Standard 2012-08-20 ValidFAA registration status code V: Valid registration. All codes
N40SS Cessna
340A
Fixed-wing, multi-engine Adams Aviation Services INC Trustee
Wilmington, Delaware
Standard 2012-08-06 ValidFAA registration status code V: Valid registration. All codes
N6542U Cessna
T210R
Fixed-wing, single engine Individual owner
Colorado
Standard 2012-08-02 ValidFAA registration status code V: Valid registration. All codes
N340LH Cessna
340A
Fixed-wing, multi-engine Aviation Limited Holdings LLC
Albuquerque, New Mexico
Standard 2012-07-30 ValidFAA registration status code V: Valid registration. All codes
N5061Q Cessna
340
Fixed-wing, multi-engine Co-owned owner
Colorado
Standard 2012-07-27 ValidFAA registration status code V: Valid registration. All codes
N44C Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2012-07-12 ValidFAA registration status code V: Valid registration. All codes
N2145S Cessna
T210L
Fixed-wing, single engine Henry James
Bonita, California
Standard 2012-07-09 ValidFAA registration status code V: Valid registration. All codes
N6531W Cessna
P210N
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2012-07-03 ValidFAA registration status code V: Valid registration. All codes
N647SB Cessna
T210N
Fixed-wing, single engine Co-owned owner
California
Standard 2012-07-02 ValidFAA registration status code V: Valid registration. All codes
N9533Y Cessna
T210N
Fixed-wing, single engine N9533Y CORP Trustee
Wilmington, Delaware
Standard 2012-06-29 ValidFAA registration status code V: Valid registration. All codes
N340MJ Cessna
340A
Fixed-wing, multi-engine All-Star Executive Aviation INC
Pomona, California
Standard 2012-06-25 ValidFAA registration status code V: Valid registration. All codes
N5005J Cessna
T310R
Fixed-wing, multi-engine Dowding Industries INC
Eaton Rapids, Michigan
Standard 2012-06-22 ValidFAA registration status code V: Valid registration. All codes
N5323U Cessna
T210N
Fixed-wing, single engine Rio Farms LLC
King City, California
Standard 2012-06-19 ValidFAA registration status code V: Valid registration. All codes
N21WU Cessna
421C
Fixed-wing, multi-engine Dallas Aero & Sales LLC
Poplar, Montana
Standard 2012-06-15 ValidFAA registration status code V: Valid registration. All codes
N1596T Cessna
414
Fixed-wing, multi-engine Plane Crazy INC
Page, North Dakota
Standard 2012-06-14 ValidFAA registration status code V: Valid registration. All codes
N90DM Cessna
340
Fixed-wing, multi-engine Del Martin LP
Spring, Texas
Standard 2012-06-13 ValidFAA registration status code V: Valid registration. All codes
N1194Q Cessna
TU206F
Fixed-wing, single engine Individual owner
Colorado
Standard 2012-06-12 ValidFAA registration status code V: Valid registration. All codes
N206JW Cessna
TU206G
Fixed-wing, single engine Individual owner
Alaska
Standard 2012-06-07 ValidFAA registration status code V: Valid registration. All codes
N414PW Cessna
414A
Fixed-wing, multi-engine Mountain Air Helicopters INC
Dover, Delaware
Standard 2012-05-29 ValidFAA registration status code V: Valid registration. All codes
N4913J Cessna
T188C
Fixed-wing, single engine Individual owner
Washington
Restricted 2012-05-22 ValidFAA registration status code V: Valid registration. All codes
N63JM Beech
A36TC
Fixed-wing, single engine Individual owner
Michigan
Standard 2012-05-16 ValidFAA registration status code V: Valid registration. All codes
N6227Y Cessna
T210N
Fixed-wing, single engine West Brook Group INC
Pleasant Hill, Iowa
Multiple 2012-05-09 ValidFAA registration status code V: Valid registration. All codes
N5537V Beech
B36TC
Fixed-wing, single engine Wheelzup LLC
San Carlos, California
Standard 2012-05-07 ValidFAA registration status code V: Valid registration. All codes
N6329C Cessna
TU206G
Fixed-wing, single engine United Indian Mission DBA
Tucson, Arizona
Standard 2012-05-07 ValidFAA registration status code V: Valid registration. All codes
N4743C Cessna
T210N
Fixed-wing, single engine Four Three Charlie LLC
Andover, Massachusetts
Standard 2012-05-03 ValidFAA registration status code V: Valid registration. All codes
N756CR Cessna
TU206G
Fixed-wing, single engine Connell Donna M
Belton, Texas
Standard 2012-04-17 ValidFAA registration status code V: Valid registration. All codes
N4644U Cessna
T210N
Fixed-wing, single engine Wineglass Holdings LLC
Fort Davis, Texas
Standard 2012-04-12 ValidFAA registration status code V: Valid registration. All codes
N6715R Cessna
T210F
Fixed-wing, single engine Individual owner
Oregon
Standard 2012-04-09 ValidFAA registration status code V: Valid registration. All codes
N100HM Cessna
340A
Fixed-wing, multi-engine Co-owned owner
Wisconsin
Standard 2012-04-02 ValidFAA registration status code V: Valid registration. All codes
N36PV Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Long Wing Aviation LLC
Houston, Texas
Standard 2012-03-30 ValidFAA registration status code V: Valid registration. All codes
N732TY Cessna
T210M
Fixed-wing, single engine Individual owner
Texas
Standard 2012-03-30 ValidFAA registration status code V: Valid registration. All codes
N6572Y Cessna
T210N
Fixed-wing, single engine Individual owner
California
Standard 2012-03-23 ValidFAA registration status code V: Valid registration. All codes
N2710J Cessna
335
Fixed-wing, multi-engine People Incorporated of Virginia
Abingdon, Virginia
Standard 2012-03-19 ValidFAA registration status code V: Valid registration. All codes
N5337Y Cessna
T210N
Fixed-wing, single engine Clement Aviation INC
Tea, South Dakota
Standard 2012-03-13 ValidFAA registration status code V: Valid registration. All codes
N310EW Cessna
T310Q
Fixed-wing, multi-engine Aerial Imaging INC
South Bend, Indiana
Standard 2012-03-05 ValidFAA registration status code V: Valid registration. All codes
N7610C Cessna
TU206G
Fixed-wing, single engine Sawtooth Flying Service INC
Mccall, Idaho
Multiple 2012-03-02 ValidFAA registration status code V: Valid registration. All codes
N5555G Cessna
T210L
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2012-02-29 ValidFAA registration status code V: Valid registration. All codes
N8052M Cessna
T210M
Fixed-wing, single engine Echo Romeo LLC
Stamford, Connecticut
Standard 2012-02-28 ValidFAA registration status code V: Valid registration. All codes
N320SK Cessna
320E
Fixed-wing, multi-engine Individual owner
Minnesota
Standard 2012-02-25 ValidFAA registration status code V: Valid registration. All codes
N403AJ Cessna
402B
Fixed-wing, multi-engine Aero Jet Aviation I INC
Fort Lauderdale, Florida
Standard 2012-02-24 ValidFAA registration status code V: Valid registration. All codes
N9636Y Cessna
T210N
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2012-02-15 ValidFAA registration status code V: Valid registration. All codes
N8115G Beech
B36TC
Fixed-wing, single engine Ramble On LLC
Amarillo, Texas
Standard 2012-02-14 ValidFAA registration status code V: Valid registration. All codes
N340AN Cessna
340A
Fixed-wing, multi-engine O & M Industries INC
Arcata, California
Standard 2012-02-09 ValidFAA registration status code V: Valid registration. All codes
N210TE Cessna
T210L
Fixed-wing, single engine Centurion Flyers LLC
Crystal Bay, Nevada
Standard 2012-02-03 ValidFAA registration status code V: Valid registration. All codes
N3864U Beech
58P
Fixed-wing, multi-engine Interrail Power INC
Jacksonville, Florida
Standard 2012-02-03 ValidFAA registration status code V: Valid registration. All codes
N2618L Cessna
414A
Fixed-wing, multi-engine Fl & J Air CORP
West Orange, New Jersey
Standard 2012-01-25 ValidFAA registration status code V: Valid registration. All codes
N8BL Cessna
414
Fixed-wing, multi-engine Pro One Janitorial INC
Chicken, Alaska
Standard 2012-01-25 ValidFAA registration status code V: Valid registration. All codes
N84CG Cessna
340A
Fixed-wing, multi-engine Guardian Angel Homes LLC
Hayden, Idaho
Standard 2012-01-21 ValidFAA registration status code V: Valid registration. All codes
N456JM Cessna
340
Fixed-wing, multi-engine Landmark Aviation Services LLC
Sarasota, Florida
Standard 2012-01-12 ValidFAA registration status code V: Valid registration. All codes
N6153B Cessna
T210M
Fixed-wing, single engine Centurion Southeast Management LLC
Raleigh, North Carolina
Standard 2012-01-03 ValidFAA registration status code V: Valid registration. All codes
N455TB Cessna
310R
Fixed-wing, multi-engine Individual owner
Montana
Standard 2011-12-23 ValidFAA registration status code V: Valid registration. All codes
N5156Y Cessna
T210N
Fixed-wing, single engine Caprock Spraying INC
Vega, Texas
Standard 2011-12-23 ValidFAA registration status code V: Valid registration. All codes
N5316J Cessna
340A
Fixed-wing, multi-engine Individual owner
California
Standard 2011-12-12 ValidFAA registration status code V: Valid registration. All codes
N511RL Cessna
TU206F
Fixed-wing, single engine Hatch Leasing CO LLC
Marble Canyon, Arizona
Standard 2011-12-07 ValidFAA registration status code V: Valid registration. All codes
N5140J Cessna
340
Fixed-wing, multi-engine Truk Err INC
Wilmington, Delaware
Standard 2011-12-07 ValidFAA registration status code V: Valid registration. All codes
N17040 Porterfield
35-70
Fixed-wing, single engine Individual owner
California
Standard 2011-11-28 ValidFAA registration status code V: Valid registration. All codes
N732WS Cessna
T210M
Fixed-wing, single engine Co-owned owner
California
Standard 2011-11-28 ValidFAA registration status code V: Valid registration. All codes
N10LJ Beech
B36TC
Fixed-wing, single engine Co-owned owner
Missouri
Standard 2011-11-21 ValidFAA registration status code V: Valid registration. All codes
N2063J Cessna
T188C
Fixed-wing, single engine West Aviation INC
Creston, Iowa
Restricted 2011-11-18 ValidFAA registration status code V: Valid registration. All codes
N340DA Cessna
340
Fixed-wing, multi-engine Dreams A Loft LLC
Santa Barbara, California
Standard 2011-11-08 ValidFAA registration status code V: Valid registration. All codes
N30268 Cessna
T210L
Fixed-wing, single engine Individual owner
Washington
Standard 2011-10-31 ValidFAA registration status code V: Valid registration. All codes
N761BY Cessna
T210M
Fixed-wing, single engine B&E Leasing LLC
Dubuque, Iowa
Standard 2011-10-24 ValidFAA registration status code V: Valid registration. All codes
N4994K Cessna
P210N
Fixed-wing, single engine Individual owner
Nevada
Standard 2011-10-19 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.