The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 5, 2026

Continental TSIO-520-P

12 aircraft on the U.S. register carry a Continental TSIO-520-P engine, rated at about 310 horsepower. The Cessna P210 Pressurized Centurion is the model most often fitted with it (12 aircraft). The aircraft carrying it were built between 1978 and 1981.

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-P. FAA spelling: TSIO-520-P.

Fitted to model families

Cessna P210 Pressurized Centurion12

Cessna P210 Pressurized Centurion

Where they are owner's state

Wyoming3Texas2Vermont1Virginia1South Carolina1Nevada1Michigan1California1

Kind of aircraft

Piston singles12 (100%)

When the aircraft were built by decade

023466197051980

What the FAA has certified, ordered and been told about the Continental TSIO-520-P the component layer

The design is held under 1 type certificate (E8CE, held by Continental Aerospace Technologies, INC.). The FAA has issued 30 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 33 failure reports with the FAA since 1995, 5 of them in the last ten years.

FAA orders 30 airworthiness directives · newest first

2023-10-262023-17-04 · Reciprocating Engine Oil System · 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
2016-09-152016-16-12 · Cylinder assemblies · engine

All orders naming the Continental TSIO-520-P

Failure reports 33 since · what operators and shops told the FAA

01245950006118

Parts most often reported as the reports name them

Cylinder7Lifter3Alternator2Crankshaft2Distributor Gear2Actuator1Barrel1Clamp1Connecting Rod1Csu1

Latest reports

2018-02-14Lifter: spalled
2013-03-18Barrel: separated
2011-04-20Cylinder: delaminated
2011-04-20Cylinder: peeling
2011-04-20Cylinder: peeling

Certificates and bulletins

E8CEType certificate held by Continental Aerospace Technologies, INC. · 31 models listed · revised April 6, 2020

Safety bulletins 10 · 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

These connections as data: /graph/engine/continental-tsio-520-p.json · about the eFlight graph.

Aircraft newest certificates first · 12

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N966MT Cessna
P210N
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2026-04-03 ValidFAA registration status code V: Valid registration. All codes
N6951Y Cessna
P210N
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-02-20 ValidFAA registration status code V: Valid registration. All codes
N210BE Cessna
P210N
Fixed-wing, single engine Southern Aircraft Consultancy INC Trustee
Casper, Wyoming
Standard 2026-01-28 ValidFAA registration status code V: Valid registration. All codes
N350GZ Cessna
P210N
Fixed-wing, single engine Valiair Lc Trustee
Casper, Wyoming
Standard 2025-05-09 ValidFAA registration status code V: Valid registration. All codes
N66VS Cessna
P210N
Fixed-wing, single engine Eurovation INC Trustee
Kematen,
Standard 2025-02-21 ValidFAA registration status code V: Valid registration. All codes
N37MJ Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2023-07-10 ValidFAA registration status code V: Valid registration. All codes
N4972K Cessna
P210N
Fixed-wing, single engine Eastern Stearman INC Trustee
Leesburg, Virginia
Standard 2022-06-01 ValidFAA registration status code V: Valid registration. All codes
N56BP Cessna
P210N
Fixed-wing, single engine Individual owner
California
Standard 2022-02-04 ValidFAA registration status code V: Valid registration. All codes
N77GS Cessna
P210N
Fixed-wing, single engine South Carolina Flyers LLC
Aiken, South Carolina
Standard 2020-08-06 ValidFAA registration status code V: Valid registration. All codes
N113TT Cessna
P210N
Fixed-wing, single engine Individual owner
Texas
Standard 2020-07-24 ValidFAA registration status code V: Valid registration. All codes
N210VT Cessna
P210N
Fixed-wing, single engine Individual owner
Vermont
Standard 2019-10-01 ValidFAA registration status code V: Valid registration. All codes
N474AW Cessna
P210N
Fixed-wing, single engine Centurion Aviation LLC
Ada, Michigan
Standard 2014-08-01 ValidFAA registration status code V: Valid registration. All codes

Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.