Engines · piston (reciprocating) · data as of October 7, 2026

Lycoming IO-390-C3B6

781 aircraft on the U.S. register carry a Lycoming IO-390-C3B6 engine, rated at about 215 horsepower. The Cirrus SR20 is the model most often fitted with it (742 aircraft). The aircraft carrying it were built between 2018 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 Lycoming IO-390-C3B6. FAA spelling: IO-390-C3B6.

Fitted to model families

Cirrus SR20742Costruzioni Aeronautiche Tecna P201032Aviat Aircraft Inc A-1 Husky5Dwayne Clemens VANS RV-81John C Vandermolen VANS RV-14A1

Model families, as a table

	aircraft
Cirrus SR20	742
Costruzioni Aeronautiche Tecna P2010	32
Aviat Aircraft Inc A-1 Husky	5
Dwayne Clemens VANS RV-8	1
John C Vandermolen VANS RV-14A	1

Cirrus SR20 · Costruzioni Aeronautiche Tecna P2010 · Aviat Aircraft Inc A-1 Husky · Dwayne Clemens VANS RV-8 · John C Vandermolen VANS RV-14A

Where they are owner's state

Arizona79Texas75Florida64California61Minnesota36Michigan36Oklahoma35Georgia27New York23Ohio22

By state, as a table

	aircraft
Arizona	79
Texas	75
Florida	64
California	61
Minnesota	36
Michigan	36
Oklahoma	35
Georgia	27
New York	23
Ohio	22

Kind of aircraft

Piston singles781 (100%)

By kind, as a table

	aircraft	share
Piston singles	781	100%

When the aircraft were built by decade

By decade built, as a table

	aircraft
2010	98
2020	683

What the FAA has certified, ordered and been told about the Lycoming IO-390-C3B6 the component layer

The design is held under 1 type certificate (E00006NY, held by Lycoming Engines). The FAA has issued 1 airworthiness directive (orders that owners must comply with) that name this engine series.

FAA orders 1 airworthiness directives · newest first

2026-04-082026-04-11 · Engine (Reciprocating) · engine

Certificates and bulletins

E00006NYType certificate held by Lycoming Engines · 17 models listed · revised January 12, 2023

Safety bulletins 1 · advice, not orders

2019-05-02NE-19-08 · Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders

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 SR20 742 with this engine series
Costruzioni Aeronautiche Tecna P2010 32 with this engine series
Aviat Aircraft Inc A-1 Husky 5 with this engine series

Where they are

Arizona 79 of these aircraft
Texas 75 of these aircraft
Florida 64 of these aircraft
California 61 of these aircraft
Minnesota 36 of these aircraft

Biggest operators

Westwind School Of Aeronautics Phoenix LLC DBA 52 of these aircraft
Board Of Trustees Of Western Michigan University 30 of these aircraft
Cirrus Design CORP 24 of these aircraft
Vincennes University 12 of these aircraft
Texas Southern University 12 of these aircraft

Airworthiness

FAA orders naming the Lycoming IO-390-C3B6 1 airworthiness directives

Analytics

These connections as data: /graph/engine/lycoming-io-390-c3b6.json · about the eFlight graph.

Aircraft newest certificates first · 781

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N420AA	Cirrus Design Corp SR20	Fixed-wing, single engine	Aka Aviation LLC Provincetown, Massachusetts	Standard	2021-07-27	Valid
N117T	Costruzioni Aeronautiche Tecna P2010	Fixed-wing, single engine	Spring Creek Ranch LLC Creede, Colorado	Standard	2021-06-22	Valid
N4546T	Costruzioni Aeronautiche Tecna P2010	Fixed-wing, single engine	Individual owner Massachusetts	Standard	2021-06-15	Valid
N4863D	Cirrus Design Corp SR20	Fixed-wing, single engine	Chiota Aviation LLC Waco, Texas	Standard	2021-06-15	Valid
N875SB	Cirrus Design Corp SR20	Fixed-wing, single engine	C-Level Aviation LLC Stuart, Florida	Standard	2021-06-09	Valid
N104KV	Cirrus Design Corp SR20	Fixed-wing, single engine	Katiegirl Aviation LLC Stockton, California	Standard	2021-06-03	Valid
N47ZZ	Cirrus Design Corp SR20	Fixed-wing, single engine	Casas de Clark LLC Burnet, Texas	Standard	2021-04-20	Valid
N517PT	Cirrus Design Corp SR20	Fixed-wing, single engine	Caelum Et Terra LLC - Series A Evanston, Illinois	Standard	2021-04-17	Valid
N333YY	Cirrus Design Corp SR20	Fixed-wing, single engine	Zentrax INC North Hollywood, California	Standard	2021-02-04	Valid
N397TA	Costruzioni Aeronautiche Tecna P2010	Fixed-wing, single engine	Individual owner Colorado	Standard	2021-02-04	Valid
N806TB	Cirrus Design Corp SR20	Fixed-wing, single engine	Inhoc Aviation LLC Dallas, Texas	Standard	2021-02-04	Valid
N643LV	Cirrus Design Corp SR20	Fixed-wing, single engine	S&G Sky LLC Las Vegas, Nevada	Standard	2021-01-23	Valid
N22BV	Cirrus Design Corp SR20	Fixed-wing, single engine	Forgotten Coast Flyers LLC Apalachicola, Florida	Standard	2021-01-21	Valid
N413MR	Cirrus Design Corp SR20	Fixed-wing, single engine	Velocity Airways LLC Olathe, Kansas	Standard	2021-01-15	Valid
N248JS	Cirrus Design Corp SR20	Fixed-wing, single engine	Bergeson Aviation Enterprises LLC Superior, Colorado	Standard	2021-01-14	Valid
N328DT	Cirrus Design Corp SR20	Fixed-wing, single engine	Delta Tango Aviation LLC Kingwood, Texas	Standard	2021-01-09	Valid
N105MU	Cirrus Design Corp SR20	Fixed-wing, single engine	Marshall University Huntington, West Virginia	Standard	2021-01-08	Valid
N973PA	Cirrus Design Corp SR20	Fixed-wing, single engine	Palomar Aviation LLC Carlsbad, California	Standard	2020-12-05	Valid
N370SU	Cirrus Design Corp SR20	Fixed-wing, single engine	Oklahoma State University Stillwater, Oklahoma	Standard	2020-11-14	Valid
N901SE	Cirrus Design Corp SR20	Fixed-wing, single engine	Southeastern Oklahoma State University Durant, Oklahoma	Standard	2020-11-14	Valid
N902SE	Cirrus Design Corp SR20	Fixed-wing, single engine	Southeastern Oklahoma State University Durant, Oklahoma	Standard	2020-11-14	Valid
N418AT	Costruzioni Aeronautiche Tecna P2010	Fixed-wing, single engine	Individual owner Colorado	Standard	2020-11-04	Valid
N700YZ	Cirrus Design Corp SR20	Fixed-wing, single engine	Exyion Aviation INC Irvine, California	Standard	2020-10-26	Valid
N1144G	Cirrus Design Corp SR20	Fixed-wing, single engine	Lean of Peak Aviation LLC Kempner, Texas	Standard	2020-09-30	Valid
N318SY	Cirrus Design Corp SR20	Fixed-wing, single engine	Molecular Repair Concepts INC Crosslake, Minnesota	Standard	2020-09-23	Valid
N816CA	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Access LLC Buckner, Kentucky	Standard	2020-09-02	Valid
N321DT	Cirrus Design Corp SR20	Fixed-wing, single engine	Dt Air Adventures LLC Salt Lake City, Utah	Standard	2020-08-31	Valid
N484CD	Cirrus Design Corp SR20	Fixed-wing, single engine	Noble Air Leasing LLC Raleigh, North Carolina	Standard	2020-08-29	Valid
N478BC	Cirrus Design Corp SR20	Fixed-wing, single engine	Co-owned owner Colorado	Standard	2020-07-21	Valid
N21EF	Cirrus Design Corp SR20	Fixed-wing, single engine	Elite Flight Experience LLC Princeton, New Jersey	Standard	2020-06-30	Valid
N458MM	Cirrus Design Corp SR20	Fixed-wing, single engine	Elly Aviation LLC Boulder, Colorado	Standard	2020-05-07	Valid
N333ZZ	Aviat Aircraft Inc A-1C-200	Fixed-wing, single engine	Wild Bills Aviation INC Tustin, California	Experimental	2020-05-06	Valid
N320SU	Cirrus Design Corp SR20	Fixed-wing, single engine	Oklahoma State University Stillwater, Oklahoma	Standard	2020-04-08	Valid
N218MN	Cirrus Design Corp SR20	Fixed-wing, single engine	Skyking Investments LLC Duluth, Minnesota	Standard	2020-01-27	Valid
N330SU	Cirrus Design Corp SR20	Fixed-wing, single engine	Oklahoma State University Stillwater, Oklahoma	Standard	2020-01-06	Valid
N360SU	Cirrus Design Corp SR20	Fixed-wing, single engine	Oklahoma State University Stillwater, Oklahoma	Standard	2020-01-06	Valid
N974PA	Cirrus Design Corp SR20	Fixed-wing, single engine	Palomar Aviation LLC Carlsbad, California	Standard	2019-12-17	Valid
N300SU	Cirrus Design Corp SR20	Fixed-wing, single engine	Oklahoma State University Stillwater, Oklahoma	Standard	2019-12-10	Valid
N310SU	Cirrus Design Corp SR20	Fixed-wing, single engine	Oklahoma State University Stillwater, Oklahoma	Standard	2019-12-10	Valid
N333LN	Cirrus Design Corp SR20	Fixed-wing, single engine	Your Mom LLC Richfield, Minnesota	Standard	2019-10-07	Valid
N20TT	Cirrus Design Corp SR20	Fixed-wing, single engine	Individual owner Wisconsin	Standard	2019-07-26	Valid
N222YZ	Cirrus Design Corp SR20	Fixed-wing, single engine	N222Yz LLC Portland, Oregon	Standard	2019-07-16	Valid
N1810A	Cirrus Design Corp SR20	Fixed-wing, single engine	Oklahoma Aviation LLC Bethany, Oklahoma	Standard	2019-06-24	Valid
N309FB	Cirrus Design Corp SR20	Fixed-wing, single engine	Abbey Brook LLC Venetia, Pennsylvania	Standard	2019-05-28	Valid
N32FW	Cirrus Design Corp SR20	Fixed-wing, single engine	Montgomery Aviation LLC DBA Zionsville, Indiana	Standard	2019-05-24	Valid
N2120M	Cirrus Design Corp SR20	Fixed-wing, single engine	Georges Aviation Services INC Honolulu, Hawaii	Standard	2019-04-25	Valid
N48VU	Cirrus Design Corp SR20	Fixed-wing, single engine	Vincennes University Vincennes, Indiana	Standard	2018-08-01	Valid
N588SW	Cirrus Design Corp SR20	Fixed-wing, single engine	Mountain Lion Aviation LLC Truckee, California	Standard	2018-07-25	Valid
N45VU	Cirrus Design Corp SR20	Fixed-wing, single engine	Vincennes University Vincennes, Indiana	Standard	2018-07-16	Valid
N46VU	Cirrus Design Corp SR20	Fixed-wing, single engine	Vincennes University Vincennes, Indiana	Standard	2018-07-16	Valid
N7182N	Cirrus Design Corp SR20	Fixed-wing, single engine	Cornerstone Aviation LLC Springboro, Ohio	Standard	2018-06-14	Valid
N102JS	Cirrus Design Corp SR20	Fixed-wing, single engine	Individual owner Pennsylvania	Standard		Pending
N114CA	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N118T	Costruzioni Aeronautiche Tecna P2010	Fixed-wing, single engine	Individual owner Minnesota	Standard		Sale reported
N127PM	Costruzioni Aeronautiche Tecna P2010	Fixed-wing, single engine	Airmart Aircraft Holdings INC Oak Ridge, North Carolina	Standard		Valid
N143CD	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N167WP	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N168MC	Cirrus Design Corp SR20	Fixed-wing, single engine	Individual owner Pennsylvania	Standard		Pending
N181WC	Aviat Aircraft Inc A-1C-200	Fixed-wing, single engine	Aviat Aircraft INC Afton, Wyoming	Experimental		Valid
N20BK	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N221TV	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N23AB	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N255PM	Cirrus Design Corp SR20	Fixed-wing, single engine	Individual owner South Carolina	Standard		Pending
N269JJ	Cirrus Design Corp SR20	Fixed-wing, single engine	Bas Part Sales LLC Greeley, Colorado	Standard		Valid
N298WY	Aviat Aircraft Inc A-1C-200	Fixed-wing, single engine	Bas Part Sales LLC Greeley, Colorado	Experimental		Valid
N342CZ	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N40AD	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N413DC	Aviat Aircraft Inc A-1C-200	Fixed-wing, single engine	Aviat Aircraft INC Afton, Wyoming	Experimental		Valid
N426CD	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N435JB	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N512FA	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N514CT	Costruzioni Aeronautiche Tecna P2010	Fixed-wing, single engine	Individual owner Florida	Standard		Sale reported
N531TR	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N726CD	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N813JE	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N81WY	Aviat Aircraft Inc A-1C-200	Fixed-wing, single engine	Aviat Aircraft INC Afton, Wyoming	Experimental		Valid
N832AM	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Experimental		Valid (manufacturer)
N871MM	Cirrus Design Corp SR20	Fixed-wing, single engine	Naples Airport Properties 2 LLC Pittsboro, Indiana	Standard		Valid
N939VG	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N991RA	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)
N997WP	Cirrus Design Corp SR20	Fixed-wing, single engine	Cirrus Design CORP Duluth, Minnesota	Standard		Valid (manufacturer)

Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 7, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.