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
N9612R Cessna
U206G
Fixed-wing, single engine Bearnose II LLC
Edina, Minnesota
Standard 2018-03-20 ValidFAA registration status code V: Valid registration. All codes
N9983M Cessna
TU206G
Fixed-wing, single engine Co-owned owner
Idaho
Standard 2018-03-20 ValidFAA registration status code V: Valid registration. All codes
N488RH Cessna
TU206G
Fixed-wing, single engine I F Rooks & Associates LLC
Memphis, Tennessee
Standard 2018-03-15 ValidFAA registration status code V: Valid registration. All codes
N100HJ Cessna
340
Fixed-wing, multi-engine Clipper Air INC
Tomball, Texas
Standard 2018-03-12 ValidFAA registration status code V: Valid registration. All codes
N734WH Cessna
P210N
Fixed-wing, single engine Individual owner
Minnesota
Standard 2018-03-12 ValidFAA registration status code V: Valid registration. All codes
N732JM Cessna
U206G
Fixed-wing, single engine Co-owned owner
California
Standard 2018-03-09 ValidFAA registration status code V: Valid registration. All codes
N210CE Cessna
P210N
Fixed-wing, single engine Maas Aviation LLC
Pewaukee, Wisconsin
Standard 2018-03-01 ValidFAA registration status code V: Valid registration. All codes
N6MK Cessna
340
Fixed-wing, multi-engine Sky West Aviation INC Trustee
Albuquerque, New Mexico
Standard 2018-02-28 ValidFAA registration status code V: Valid registration. All codes
N340TA Cessna
340A
Fixed-wing, multi-engine Rmb Leasing INC
Dover, Delaware
Standard 2018-02-27 ValidFAA registration status code V: Valid registration. All codes
N58TT Cessna
T210N
Fixed-wing, single engine Bank of Utah Trustee
Salt Lake City, Utah
Standard 2018-02-16 ValidFAA registration status code V: Valid registration. All codes
N852S Cessna
P210N
Fixed-wing, single engine Dauenhauer Manufacturing INC
Ketchum, Idaho
Standard 2018-02-16 ValidFAA registration status code V: Valid registration. All codes
N43MR Cessna
414A
Fixed-wing, multi-engine Flight Contract Services INC
Las Vegas, Nevada
Standard 2018-02-15 ValidFAA registration status code V: Valid registration. All codes
N6479N Cessna
T210N
Fixed-wing, single engine South Aero LLC
Albuquerque, New Mexico
Standard 2018-02-14 ValidFAA registration status code V: Valid registration. All codes
N7213N Cessna
T210N
Fixed-wing, single engine South Aero LLC
Albuquerque, New Mexico
Standard 2018-02-14 ValidFAA registration status code V: Valid registration. All codes
N732HD Cessna
T210L
Fixed-wing, single engine Mgp Investments LLC
Woods Cross, Utah
Standard 2018-02-14 ValidFAA registration status code V: Valid registration. All codes
N6913T Piper
PA-46-310P
Fixed-wing, single engine Individual owner
Illinois
Standard 2018-02-13 ValidFAA registration status code V: Valid registration. All codes
N6993N Cessna
T210N
Fixed-wing, single engine Sp Aircraft LLC
Moscow, Idaho
Standard 2018-02-13 ValidFAA registration status code V: Valid registration. All codes
N2293J Cessna
T188C
Fixed-wing, single engine Individual owner
Nevada
Restricted 2018-02-09 ValidFAA registration status code V: Valid registration. All codes
N364TW Beech
B36TC
Fixed-wing, single engine Individual owner
Texas
Standard 2018-02-08 ValidFAA registration status code V: Valid registration. All codes
N471MA Cessna
414A
Fixed-wing, multi-engine Swift Aviation LLC
Decatur, Tennessee
Standard 2018-02-08 ValidFAA registration status code V: Valid registration. All codes
N80CR Cessna
TU206G
Fixed-wing, single engine Rdp Construction LLC
Sitka, Alaska
Standard 2018-02-02 ValidFAA registration status code V: Valid registration. All codes
N712GL Cessna
340A
Fixed-wing, multi-engine There and Back LLC
Tulsa, Oklahoma
Standard 2018-01-31 ValidFAA registration status code V: Valid registration. All codes
N1678X Cessna
T210L
Fixed-wing, single engine Fly Guys LLC
Arcata, California
Standard 2018-01-29 ValidFAA registration status code V: Valid registration. All codes
N4967K Cessna
P210N
Fixed-wing, single engine Individual owner
California
Standard 2018-01-29 ValidFAA registration status code V: Valid registration. All codes
N93380 Cessna
T210L
Fixed-wing, single engine Co-owned owner
Nebraska
Standard 2018-01-26 ValidFAA registration status code V: Valid registration. All codes
N206BS Cessna
TP206C
Fixed-wing, single engine Blue Star Gas Fleet Services CO
Central Point, Oregon
Standard 2018-01-19 ValidFAA registration status code V: Valid registration. All codes
N483DM Cessna
T210L
Fixed-wing, single engine N483Dm LLC
Hummelstown, Pennsylvania
Standard 2018-01-18 ValidFAA registration status code V: Valid registration. All codes
N81VR Cessna
P210R
Fixed-wing, single engine Individual owner
Texas
Standard 2018-01-18 ValidFAA registration status code V: Valid registration. All codes
N102DL Beech
B36TC
Fixed-wing, single engine Co-owned owner
New Jersey
Standard 2018-01-17 ValidFAA registration status code V: Valid registration. All codes
N44EE Cessna
T210N
Fixed-wing, single engine Individual owner
Ohio
Standard 2018-01-16 ValidFAA registration status code V: Valid registration. All codes
N2293F Cessna
414
Fixed-wing, multi-engine Two Mile High Mining LLC
Victor, Colorado
Standard 2018-01-12 ValidFAA registration status code V: Valid registration. All codes
N3407C Cessna
340
Fixed-wing, multi-engine K&L Leasing and Investment LLC
Mountain Green, Utah
Standard 2018-01-12 ValidFAA registration status code V: Valid registration. All codes
N4576K Cessna
P210N
Fixed-wing, single engine Individual owner
Idaho
Standard 2018-01-12 ValidFAA registration status code V: Valid registration. All codes
N4714C Cessna
T210N
Fixed-wing, single engine Gorman Aviation LLC
Bartlesville, Oklahoma
Standard 2018-01-12 ValidFAA registration status code V: Valid registration. All codes
N2342H Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Lakes Treatment Center INC
Angels Camp, California
Standard 2018-01-10 ValidFAA registration status code V: Valid registration. All codes
N414GG Cessna
414A
Fixed-wing, multi-engine Hangar 21 Aviation LLC
Shreveport, Louisiana
Standard 2018-01-08 ValidFAA registration status code V: Valid registration. All codes
N1379G Cessna
340A
Fixed-wing, multi-engine Two Golf Tango LLC
Albuquerque, New Mexico
Standard 2018-01-05 ValidFAA registration status code V: Valid registration. All codes
N8SZ Piper
PA-46-310P
Fixed-wing, single engine Co-owned owner
Texas
Standard 2017-12-20 ValidFAA registration status code V: Valid registration. All codes
N2073L Beech
58P
Fixed-wing, multi-engine Bravo Wings II LLC
Grants, New Mexico
Standard 2017-12-13 ValidFAA registration status code V: Valid registration. All codes
N1819M Beech
A36TC
Fixed-wing, single engine Djb Asset Management LLC
Oakdale, California
Standard 2017-12-07 ValidFAA registration status code V: Valid registration. All codes
N444KW Cessna
340A
Fixed-wing, multi-engine Raw Racing INC
Puyallup, Washington
Standard 2017-12-06 ValidFAA registration status code V: Valid registration. All codes
N340Y Cessna
340A
Fixed-wing, multi-engine Down the Line LLC
Newport Beach, California
Standard 2017-12-05 ValidFAA registration status code V: Valid registration. All codes
N4753U Cessna
T210N
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2017-12-05 ValidFAA registration status code V: Valid registration. All codes
N732KB Cessna
T210L
Fixed-wing, single engine Tadco Equipment INC
Laveen, Arizona
Standard 2017-12-04 ValidFAA registration status code V: Valid registration. All codes
N5434A Cessna
T210N
Fixed-wing, single engine Steele Group Insurance Agency INC
Eugene, Oregon
Standard 2017-11-30 ValidFAA registration status code V: Valid registration. All codes
N858BB Cessna
T210N
Fixed-wing, single engine Echelon Group INC
Boise, Idaho
Standard 2017-11-30 ValidFAA registration status code V: Valid registration. All codes
N36884 Beech
A36TC
Fixed-wing, single engine Main Aviation INC
Visalia, California
Standard 2017-11-27 ValidFAA registration status code V: Valid registration. All codes
N741DF Cessna
414
Fixed-wing, multi-engine Seeding Operations and Atmospheric Res (Soar) LLC
San Angelo, Texas
Restricted 2017-11-21 ValidFAA registration status code V: Valid registration. All codes
N919PJ Beech
58TC
Fixed-wing, multi-engine Individual owner
California
Standard 2017-11-20 ValidFAA registration status code V: Valid registration. All codes
N58HD Beech
58P
Fixed-wing, multi-engine Individual owner
Florida
Standard 2017-11-15 ValidFAA registration status code V: Valid registration. All codes
N114PJ Beech
58P
Fixed-wing, multi-engine Individual owner
Missouri
Standard 2017-11-13 ValidFAA registration status code V: Valid registration. All codes
N4146A Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Pinpoint Investment Capital INC
Healdsburg, California
Standard 2017-11-13 ValidFAA registration status code V: Valid registration. All codes
N8462Q Cessna
TU206F
Fixed-wing, single engine Pahrump Aviation LLC
Las Vegas, Nevada
Standard 2017-11-07 ValidFAA registration status code V: Valid registration. All codes
N42AM Beech
A36TC
Fixed-wing, single engine Co-owned owner
Texas
Standard 2017-11-06 ValidFAA registration status code V: Valid registration. All codes
N515RJ Beech
B36TC
Fixed-wing, single engine Individual owner
California
Standard 2017-10-31 ValidFAA registration status code V: Valid registration. All codes
N621A Cessna
T210N
Fixed-wing, single engine Individual owner
Arizona
Standard 2017-10-31 ValidFAA registration status code V: Valid registration. All codes
N4909Y Cessna
T210N
Fixed-wing, single engine Fremont Airways LLC
Riverton, Wyoming
Standard 2017-10-26 ValidFAA registration status code V: Valid registration. All codes
N37302 Cessna
340A
Fixed-wing, multi-engine Individual owner
Washington
Standard 2017-10-24 ValidFAA registration status code V: Valid registration. All codes
N222GS Beech
58P
Fixed-wing, multi-engine Landau Management Services INC
Topanga, California
Standard 2017-10-18 ValidFAA registration status code V: Valid registration. All codes
N95JR Cessna
A185F
Fixed-wing, single engine Individual owner
Maine
Standard 2017-10-18 ValidFAA registration status code V: Valid registration. All codes
N2082J Cessna
T188C
Fixed-wing, single engine Csc Delaware Trust CO Trustee
Wilmington, Delaware
Restricted 2017-10-16 ValidFAA registration status code V: Valid registration. All codes
N3422L Cessna
TU206B
Fixed-wing, single engine Awsm INC
Grand Canyon, Arizona
Standard 2017-10-11 ValidFAA registration status code V: Valid registration. All codes
N58PC Beech
58P
Fixed-wing, multi-engine Individual owner
Tennessee
Standard 2017-10-06 ValidFAA registration status code V: Valid registration. All codes
N1961U Cessna
TU206F
Fixed-wing, single engine Individual owner
Texas
Standard 2017-10-04 ValidFAA registration status code V: Valid registration. All codes
N6389W Cessna
P210N
Fixed-wing, single engine Spenco INC
Sale Creek, Tennessee
Standard 2017-10-03 ValidFAA registration status code V: Valid registration. All codes
N340CT Cessna
340A
Fixed-wing, multi-engine Pluck Air LLC
Hockley, Texas
Standard 2017-10-02 ValidFAA registration status code V: Valid registration. All codes
N4509J Cessna
T188C
Fixed-wing, single engine Individual owner
Idaho
Restricted 2017-09-29 ValidFAA registration status code V: Valid registration. All codes
N4694Y Cessna
T210N
Fixed-wing, single engine Kempton Chevrolet Buick LTD
Safford, Arizona
Standard 2017-09-14 ValidFAA registration status code V: Valid registration. All codes
N84PR Cessna
414A
Fixed-wing, multi-engine Skov Equipment CO
Fabens, Texas
Standard 2017-09-13 ValidFAA registration status code V: Valid registration. All codes
N6262K Cessna
P210N
Fixed-wing, single engine Brz Air LLC
Beaumont, Texas
Standard 2017-09-12 ValidFAA registration status code V: Valid registration. All codes
N2343V Raytheon Aircraft Company
B36TC
Fixed-wing, single engine Individual owner
Texas
Standard 2017-09-06 ValidFAA registration status code V: Valid registration. All codes
N210DL Cessna
P210N
Fixed-wing, single engine Daneco LLC
Houma, Louisiana
Standard 2017-08-30 ValidFAA registration status code V: Valid registration. All codes
N2143S Cessna
T210L
Fixed-wing, single engine Individual owner
California
Standard 2017-08-29 ValidFAA registration status code V: Valid registration. All codes
N817JP Cessna
414
Fixed-wing, multi-engine Individual owner
Texas
Standard 2017-08-29 ValidFAA registration status code V: Valid registration. All codes
N184TM Cessna
180
Fixed-wing, single engine Individual owner
California
Standard 2017-08-25 ValidFAA registration status code V: Valid registration. All codes
N4773K Cessna
P210N
Fixed-wing, single engine Reason Farms
Yuba City, California
Standard 2017-08-18 ValidFAA registration status code V: Valid registration. All codes
N29113 Cessna
T210L
Fixed-wing, single engine Individual owner
Alabama
Standard 2017-08-16 ValidFAA registration status code V: Valid registration. All codes
N582SB Beech
58P
Fixed-wing, multi-engine Individual owner
California
Standard 2017-08-16 ValidFAA registration status code V: Valid registration. All codes
N98725 Cessna
414
Fixed-wing, multi-engine First Flight CORP
San Diego, California
Standard 2017-08-15 ValidFAA registration status code V: Valid registration. All codes
N340W Cessna
340
Fixed-wing, multi-engine Praetorian Aviation Services LLC
Alva, Florida
Standard 2017-08-14 ValidFAA registration status code V: Valid registration. All codes
N6527P Cessna
P210N
Fixed-wing, single engine Kaci Property Management INC
Boise, Idaho
Standard 2017-08-10 ValidFAA registration status code V: Valid registration. All codes
N656MC Cessna
T210N
Fixed-wing, single engine Co-owned owner
Texas
Standard 2017-08-09 ValidFAA registration status code V: Valid registration. All codes
N64RP Beech
58P
Fixed-wing, multi-engine Coe Administrators LLC
Oshkosh, Wisconsin
Standard 2017-08-08 ValidFAA registration status code V: Valid registration. All codes
N909RF Cessna
414A
Fixed-wing, multi-engine Pastjo Aviation LLC
Charleston, West Virginia
Standard 2017-08-08 ValidFAA registration status code V: Valid registration. All codes
N44KF Cessna
421B
Fixed-wing, multi-engine Ebert Construction CO INC
Wamego, Kansas
Standard 2017-08-02 ValidFAA registration status code V: Valid registration. All codes
N414HM Cessna
414A
Fixed-wing, multi-engine Hf&P Holdings LLC
Helena, Montana
Standard 2017-07-28 ValidFAA registration status code V: Valid registration. All codes
N20DP Piper
PA-46-310P
Fixed-wing, single engine Individual owner
Tennessee
Standard 2017-07-26 ValidFAA registration status code V: Valid registration. All codes
N87293 Cessna
T310R
Fixed-wing, multi-engine Dinaland Aviation
Vernal, Utah
Standard 2017-07-21 ValidFAA registration status code V: Valid registration. All codes
N8792K Cessna
340A
Fixed-wing, multi-engine Tornado Venture Once LLC
San Antonio, Texas
Standard 2017-07-20 ValidFAA registration status code V: Valid registration. All codes
N206EK Cessna
TU206G
Fixed-wing, single engine Koch & Koch INC
Grass Valley, California
Standard 2017-07-19 ValidFAA registration status code V: Valid registration. All codes
N317TR Cessna
T310Q
Fixed-wing, multi-engine Rcs Aeronautical INC
San Antonio, Texas
Standard 2017-07-10 ValidFAA registration status code V: Valid registration. All codes
N37PM Piper
PA-46-310P
Fixed-wing, single engine
Standard 2017-07-10 ValidFAA registration status code V: Valid registration. All codes
N560BB Beech
B36TC
Fixed-wing, single engine Sednal Enterprises
Los Gatos, California
Standard 2017-07-10 ValidFAA registration status code V: Valid registration. All codes
N43368 Piper
PA-46-310P
Fixed-wing, single engine Triple 4 Aviation LLC
Martindale, Texas
Standard 2017-06-29 ValidFAA registration status code V: Valid registration. All codes
N6401H Beech
58P
Fixed-wing, multi-engine Booskye LLC
Dumas, Texas
Standard 2017-06-28 ValidFAA registration status code V: Valid registration. All codes
N321RP Cessna
340
Fixed-wing, multi-engine Individual owner
Texas
Standard 2017-06-27 ValidFAA registration status code V: Valid registration. All codes
N6643P Beech
A36TC
Fixed-wing, single engine Robert Yost Enterprises INC DBA
Saint Francis, Kansas
Standard 2017-06-26 ValidFAA registration status code V: Valid registration. All codes
N6479Y Cessna
T210N
Fixed-wing, single engine Gv Air INC
Medford, Oregon
Standard 2017-06-23 ValidFAA registration status code V: Valid registration. All codes
N756JA Cessna
TU206G
Fixed-wing, single engine Gv Air INC
Medford, Oregon
Standard 2017-06-23 ValidFAA registration status code V: Valid registration. All codes
N340LB Cessna
340
Fixed-wing, multi-engine Co-owned owner
Texas
Standard 2017-06-22 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.