Engines · piston (reciprocating) · data as of October 8, 2026

Continental TSIO-550-K

2,783 aircraft on the U.S. register carry a Continental TSIO-550-K engine, rated at about 315 horsepower. The Cirrus SR22 is the model most often fitted with it (2,782 aircraft). The aircraft carrying it were built between 2012 and 2026.

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-550-K. FAA spelling: TSIO-550-K.

Fitted to model families

Cirrus SR222,782Cirrus SR201

Model families, as a table

	aircraft
Cirrus SR22	2,782
Cirrus SR20	1

Cirrus SR22 · Cirrus SR20

Where they are owner's state

California325Texas230Florida227Delaware204Minnesota105Colorado95Montana92Georgia88Utah85Arizona84

By state, as a table

	aircraft
California	325
Texas	230
Florida	227
Delaware	204
Minnesota	105
Colorado	95
Montana	92
Georgia	88
Utah	85
Arizona	84

Kind of aircraft

Piston singles2,783 (100%)

By kind, as a table

	aircraft	share
Piston singles	2,783	100%

When the aircraft were built by decade

By decade built, as a table

	aircraft
2000	1
2010	952
2020	1,796

What the FAA has certified, ordered and been told about the Continental TSIO-550-K the component layer

The design is held under 1 type certificate (E5SO, held by Continental Aerospace Technologies, INC.). The FAA has issued 16 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 57 failure reports with the FAA since 1995, 51 of them in the last ten years.

FAA orders 16 airworthiness directives · newest first

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

2020-09-212020-16-11 · SUMMARY: Reciprocating Cylinder Section · engine

2016-11-182016-21-04 · Oil cooler cross fitting assembly · engine

All orders naming the Continental TSIO-550-K

Failure reports 57 since · what operators and shops told the FAA

Failure reports by year, as a table

	reports
14	2
15	3
16	1
18	1
19	2
20	4
21	2
22	7
23	7
24	9
25	8
26	11

Parts most often reported as the reports name them

Magneto9Cylinder Head7Cylinder6Engine2Gear2Tube2Brush Block1Camshaft1Capacitor1Case Half1

Parts most reported, as a table

	reports
Magneto	9
Cylinder Head	7
Cylinder	6
Engine	2
Gear	2
Tube	2
Brush Block	1
Camshaft	1
Capacitor	1
Case Half	1

Latest reports

2026-10-02Skin: corroded

2026-10-01Drive Gear: spalled

2026-07-17Cylinder Head: cracked

2026-07-01Fuel Line: cracked

2026-06-29Tube: cracked

Certificates and bulletins

E5SOType certificate held by Continental Aerospace Technologies, INC. · 12 models listed · revised March 31, 2020

Safety bulletins 6 · 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

Cirrus SR22 2,782 with this engine series
Cirrus SR20 1 with this engine series

Where they are

California 325 of these aircraft
Texas 230 of these aircraft
Florida 227 of these aircraft
Delaware 204 of these aircraft
Minnesota 105 of these aircraft

Biggest operators

Cirrus Design CORP 84 of these aircraft
Valiair Lc Trustee 23 of these aircraft
Tvpx Aircraft Solutions INC Trustee 16 of these aircraft
Adams Aviation Services INC Trustee 8 of these aircraft
International Air Services INC Trustee 6 of these aircraft

Airworthiness

FAA orders naming the Continental TSIO-550-K 16 airworthiness directives
Failure reports on the Continental TSIO-550-K 57 reports since 1995

Analytics

The whole map of how records connect · these connections as data: /graph/engine/continental-tsio-550-k.json.

Aircraft newest certificates first · 2,783

Tail no.	Maker and model	Group	Owner and base	Certificate	Status
N166SM	Cirrus Design Corp SR22T	Fixed-wing, single engine	Withheld at owner's request	Standard	Pending
N16EU	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N174MP	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N17DA	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner New Mexico	Standard	Pending
N17EU	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N18EU	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N19RW	Cirrus Design Corp SR22T	Fixed-wing, single engine	Skyrider Aviation LLC Wilmington, Delaware	Standard	Valid
N202SR	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N20ML	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner California	Standard	Pending
N212TX	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N213AG	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N217SY	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner Kansas	Standard	Pending
N218BJ	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner California	Standard	Pending
N221TT	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Experimental	Valid
N223HM	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner New York	Standard	Pending
N2255	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N234KB	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner Washington	Standard	Pending
N23EU	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N243LP	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N269ZA	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N26MR	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N272HM	Cirrus Design Corp SR22T	Fixed-wing, single engine	Bas Part Sales LLC Greeley, Colorado	Standard	Valid
N279PS	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N288WT	Cirrus Design Corp SR22T	Fixed-wing, single engine	Bas Part Sales LLC Greeley, Colorado	Standard	Valid
N29AY	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N311CE	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N313G	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N326CM	Cirrus Design Corp SR22T	Fixed-wing, single engine	Elemental Aviation Lc Wichita, Kansas	Standard	Valid
N327WK	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N375SB	Cirrus Design Corp SR22T	Fixed-wing, single engine	Precision Aerobatics INC DBA Santa Margarita, California	Standard	Valid
N395DA	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N397AG	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N399DZ	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N400MP	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N424GB	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N42TN	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N435TX	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner Texas	Standard	Pending
N447CD	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N447JS	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N45FD	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner Indiana	Standard	Pending
N465TY	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N4MS	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N511SK	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner Texas	Standard	Pending
N522PD	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N529HS	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N55FB	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N56722	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N57AE	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N57DC	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner Arizona	Standard	Pending
N5KB	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N602CA	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N620AB	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N621JC	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N626PZ	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N642CA	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N654BK	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N667WG	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N66CZ	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner Florida	Standard	Pending
N674MM	Cirrus Design Corp SR22T	Fixed-wing, single engine	Naples Airport Properties 2 LLC Pittsboro, Indiana	Standard	Valid
N677AL	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N678JK	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N6PV	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N711DW	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N730BG	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N748JA	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner Arizona	Standard	Pending
N768FS	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner Colorado	Standard	Pending
N769TX	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner Nevada	Standard	Pending
N805WT	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N811SB	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner New Jersey	Standard	Pending
N847GG	Cirrus Design Corp SR22T	Fixed-wing, single engine	Bankston Aviation LLC Mount Juliet, Tennessee	Standard	Valid
N84FA	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N87AB	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N889PJ	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N899MM	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N902KD	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner Wisconsin	Standard	Pending
N908MM	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N9280C	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N929GK	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N93KT	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N971AP	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N972SD	Cirrus Design Corp SR22T	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard	Valid (manufacturer)
N974DJ	Cirrus Design Corp SR22T	Fixed-wing, single engine	Nylund Enterprises LLC Castle Rock, Colorado	Standard	Valid
N994CE	Cirrus Design Corp SR22T	Fixed-wing, single engine	Individual owner Idaho	Standard	Pending

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.