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

Lycoming IO-390-C3B6

775 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 (736 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 SR20736Costruzioni Aeronautiche Tecna P201032Aviat Aircraft Inc A-1 Husky5Dwayne Clemens VANS RV-81John C Vandermolen VANS RV-14A1

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

Arizona79Texas76Florida64California61Michigan36Oklahoma35Minnesota30Georgia27New York23Ohio22

Kind of aircraft

Piston singles775 (100%)

When the aircraft were built by decade

01693385086779820106772020

Connections how this engine series links to the rest of the register

Fitted to
Where they are
Biggest operators

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

Aircraft newest certificates first · 775

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N42BZ Cirrus Design Corp
SR20
Fixed-wing, single engine Stratum Breeze LLC
Mount Pleasant, South Carolina
Standard 2026-05-03 ValidFAA registration status code V: Valid registration. All codes
N826SE Cirrus Design Corp
SR20
Fixed-wing, single engine Ml&C INC
Nashua, Montana
Standard 2026-05-03 ValidFAA registration status code V: Valid registration. All codes
N71YP Cirrus Design Corp
SR20
Fixed-wing, single engine 71Yp LLC
Milton, Georgia
Standard 2026-04-30 ValidFAA registration status code V: Valid registration. All codes
N344DD Cirrus Design Corp
SR20
Fixed-wing, single engine 563Bt LLC
Fripp Island, South Carolina
Standard 2026-04-29 ValidFAA registration status code V: Valid registration. All codes
N460LA Cirrus Design Corp
SR20
Fixed-wing, single engine Blss Aviation Group LLC
Monrovia, California
Standard 2026-04-29 ValidFAA registration status code V: Valid registration. All codes
N986CC Cirrus Design Corp
SR20
Fixed-wing, single engine Individual owner
Mississippi
Standard 2026-04-28 ValidFAA registration status code V: Valid registration. All codes
N948MC Cirrus Design Corp
SR20
Fixed-wing, single engine Cimm Aviation LLC
Woodstock, Georgia
Standard 2026-04-27 ValidFAA registration status code V: Valid registration. All codes
N251CT Cirrus Design Corp
SR20
Fixed-wing, single engine Fly Like Snoopie Aviation LLC
Manahattan Beach, California
Standard 2026-04-26 ValidFAA registration status code V: Valid registration. All codes
N84MH Cirrus Design Corp
SR20
Fixed-wing, single engine Mmm&B Holdings LLC
Clayton, New York
Standard 2026-04-23 ValidFAA registration status code V: Valid registration. All codes
N475DR Cirrus Design Corp
SR20
Fixed-wing, single engine Micks Aviation LLC
Apollo, Pennsylvania
Standard 2026-04-16 ValidFAA registration status code V: Valid registration. All codes
N72VU Cirrus Design Corp
SR20
Fixed-wing, single engine Vincennes University
Vincennes, Indiana
Standard 2026-04-16 ValidFAA registration status code V: Valid registration. All codes
N73VU Cirrus Design Corp
SR20
Fixed-wing, single engine Vincennes University
Vincennes, Indiana
Standard 2026-04-16 ValidFAA registration status code V: Valid registration. All codes
N226KT Cirrus Design Corp
SR20
Fixed-wing, single engine Zephyr Aviation & Sales LLC
Zephyhills, Florida
Standard 2026-04-11 ValidFAA registration status code V: Valid registration. All codes
N70VU Cirrus Design Corp
SR20
Fixed-wing, single engine Vincennes University
Vincennes, Indiana
Standard 2026-04-09 ValidFAA registration status code V: Valid registration. All codes
N71VU Cirrus Design Corp
SR20
Fixed-wing, single engine Vincennes University
Vincennes, Indiana
Standard 2026-04-09 ValidFAA registration status code V: Valid registration. All codes
N518VV Cirrus Design Corp
SR20
Fixed-wing, single engine N518Vv LLC
Latham, New York
Standard 2026-04-08 ValidFAA registration status code V: Valid registration. All codes
N724JT Cirrus Design Corp
SR20
Fixed-wing, single engine Goldenhour Aviation LLC
Wilton, Connecticut
Standard 2026-04-08 ValidFAA registration status code V: Valid registration. All codes
N323HW Cirrus Design Corp
SR20
Fixed-wing, single engine Triple Romeo Sierra CORP
North Miami, Florida
Standard 2026-04-07 ValidFAA registration status code V: Valid registration. All codes
N279J Cirrus Design Corp
SR20
Fixed-wing, single engine Winchester Aviation LLC
Winter Park, Florida
Standard 2026-04-06 ValidFAA registration status code V: Valid registration. All codes
N381PG Cirrus Design Corp
SR20
Fixed-wing, single engine Individual owner
Michigan
Standard 2026-04-06 ValidFAA registration status code V: Valid registration. All codes
N301VS Cirrus Design Corp
SR20
Fixed-wing, single engine Stellina Aviation LLC
Tulsa, Oklahoma
Standard 2026-03-19 ValidFAA registration status code V: Valid registration. All codes
N64VU Cirrus Design Corp
SR20
Fixed-wing, single engine Koosh Air LLC
Edmond, Oklahoma
Standard 2026-03-17 ValidFAA registration status code V: Valid registration. All codes
N384AP Cirrus Design Corp
SR20
Fixed-wing, single engine Apf3 Holdings LLC LLC
Buffalo, Minnesota
Standard 2026-03-13 ValidFAA registration status code V: Valid registration. All codes
N435EF Cirrus Design Corp
SR20
Fixed-wing, single engine Flyboyz3 LLC
Helena, Montana
Standard 2026-03-08 ValidFAA registration status code V: Valid registration. All codes
N12ZG Cirrus Design Corp
SR20
Fixed-wing, single engine N12Zg Pm LLC
Provo, Utah
Standard 2026-03-05 ValidFAA registration status code V: Valid registration. All codes
N234SR Cirrus Design Corp
SR20
Fixed-wing, single engine Frings Airplane Company LLC
Madison, Wisconsin
Standard 2026-03-01 ValidFAA registration status code V: Valid registration. All codes
N442JS Cirrus Design Corp
SR20
Fixed-wing, single engine Prelude Aviation LLC
Rockledge, Florida
Standard 2026-02-28 ValidFAA registration status code V: Valid registration. All codes
N607SA Cirrus Design Corp
SR20
Fixed-wing, single engine Doctorate Holdings LLC
Sheridan, Wyoming
Standard 2026-02-28 ValidFAA registration status code V: Valid registration. All codes
N975BB Cirrus Design Corp
SR20
Fixed-wing, single engine Seahawk Aviation LLC
Bradenton, Florida
Standard 2026-02-28 ValidFAA registration status code V: Valid registration. All codes
N381U Costruzioni Aeronautiche Tecna
P2010
Fixed-wing, single engine Tecnam US INC
Sebring, Florida
Standard 2026-02-26 ValidFAA registration status code V: Valid registration. All codes
N357SB Cirrus Design Corp
SR20
Fixed-wing, single engine Pistachio Holdings LLC
Miami, Florida
Standard 2026-02-25 ValidFAA registration status code V: Valid registration. All codes
N385U Costruzioni Aeronautiche Tecna
P2010
Fixed-wing, single engine Tecnam U S INC
Sebring, Florida
Standard 2026-02-25 ValidFAA registration status code V: Valid registration. All codes
N275MG Cirrus Design Corp
SR20
Fixed-wing, single engine Riviera Aero Sales INC
Santa Barbara, California
Standard 2026-02-22 ValidFAA registration status code V: Valid registration. All codes
N20EF Cirrus Design Corp
SR20
Fixed-wing, single engine Max Q Aviation LLC
Kalispell, Montana
Standard 2026-02-20 ValidFAA registration status code V: Valid registration. All codes
N35PT Cirrus Design Corp
SR20
Fixed-wing, single engine N523Rs LLC
Middletown, Delaware
Standard 2026-02-19 ValidFAA registration status code V: Valid registration. All codes
N325EP Cirrus Design Corp
SR20
Fixed-wing, single engine Sea Ray LLC
Tulsa, Oklahoma
Standard 2026-02-17 ValidFAA registration status code V: Valid registration. All codes
N239AP Cirrus Design Corp
SR20
Fixed-wing, single engine Mbn2Fly LLC
Laurel, Mississippi
Standard 2026-02-16 ValidFAA registration status code V: Valid registration. All codes
N573SA Cirrus Design Corp
SR20
Fixed-wing, single engine Chef'S Kiss Aviation LLC
Flower Mound, Texas
Standard 2026-02-13 ValidFAA registration status code V: Valid registration. All codes
N44VU Cirrus Design Corp
SR20
Fixed-wing, single engine Irwin Aviation LLC
Hot Springs, Arkansas
Standard 2026-02-12 ValidFAA registration status code V: Valid registration. All codes
N202TK Cirrus Design Corp
SR20
Fixed-wing, single engine Greater Sky Properties LLC
St Charles, Missouri
Standard 2026-02-09 ValidFAA registration status code V: Valid registration. All codes
N43ES Cirrus Design Corp
SR20
Fixed-wing, single engine N43Es LLC
Akron, Ohio
Standard 2026-02-09 ValidFAA registration status code V: Valid registration. All codes
N417EV Cirrus Design Corp
SR20
Fixed-wing, single engine Co-owned owner
Alabama
Standard 2026-02-07 ValidFAA registration status code V: Valid registration. All codes
N45EA Cirrus Design Corp
SR20
Fixed-wing, single engine Echo45 Aviation LLC
Walnut Creek, California
Standard 2026-02-06 ValidFAA registration status code V: Valid registration. All codes
N885WP Cirrus Design Corp
SR20
Fixed-wing, single engine Moonstone Air LLC
Chula Vista, California
Standard 2026-02-03 ValidFAA registration status code V: Valid registration. All codes
N921TR Cirrus Design Corp
SR20
Fixed-wing, single engine Gt Holdings LLC
Nashville, Tennessee
Standard 2026-02-03 ValidFAA registration status code V: Valid registration. All codes
N347LP Cirrus Design Corp
SR20
Fixed-wing, single engine Gti In the Air LLC
Atlanta, Georgia
Standard 2026-01-31 ValidFAA registration status code V: Valid registration. All codes
N356CT Cirrus Design Corp
SR20
Fixed-wing, single engine Coast Cirrus Training LLC
San Diego, California
Standard 2026-01-29 ValidFAA registration status code V: Valid registration. All codes
N294GG Cirrus Design Corp
SR20
Fixed-wing, single engine Wings United LLC
Weston, Florida
Standard 2026-01-22 ValidFAA registration status code V: Valid registration. All codes
N381DA Cirrus Design Corp
SR20
Fixed-wing, single engine Acla Aviation LLC
Piedmont, South Carolina
Standard 2026-01-22 ValidFAA registration status code V: Valid registration. All codes
N569ML Cirrus Design Corp
SR20
Fixed-wing, single engine Suburban Farms INC
Houston, Texas
Standard 2026-01-22 ValidFAA registration status code V: Valid registration. All codes
N225RP Cirrus Design Corp
SR20
Fixed-wing, single engine Skt Aviation LLC
Madison, Mississippi
Standard 2026-01-16 ValidFAA registration status code V: Valid registration. All codes
N115AV Cirrus Design Corp
SR20
Fixed-wing, single engine Ponyup Aviation LLC
Cleveland, Ohio
Standard 2026-01-14 ValidFAA registration status code V: Valid registration. All codes
N657AV Cirrus Design Corp
SR20
Fixed-wing, single engine Westwind School of Aeronautics Phoenix LLC
Goodyear, Arizona
Standard 2026-01-13 ValidFAA registration status code V: Valid registration. All codes
N659AV Cirrus Design Corp
SR20
Fixed-wing, single engine Westwind School of Aeronautics Phoenix LLC DBA
Goodyear, Arizona
Standard 2026-01-13 ValidFAA registration status code V: Valid registration. All codes
N661AV Cirrus Design Corp
SR20
Fixed-wing, single engine Westwind School of Aeronautics Phoenix LLC DBA
Goodyear, Arizona
Standard 2026-01-13 ValidFAA registration status code V: Valid registration. All codes
N873WT Cirrus Design Corp
SR20
Fixed-wing, single engine Fleet Street Arleigh LLC
Bayside, New York
Standard 2026-01-13 ValidFAA registration status code V: Valid registration. All codes
N113BB Cirrus Design Corp
SR20
Fixed-wing, single engine N113Bb LLC
Jamul, California
Standard 2026-01-12 ValidFAA registration status code V: Valid registration. All codes
N119AN Cirrus Design Corp
SR20
Fixed-wing, single engine Clear Skies Aviation LLC
Broadlands, Virginia
Standard 2026-01-12 ValidFAA registration status code V: Valid registration. All codes
N42VU Cirrus Design Corp
SR20
Fixed-wing, single engine Co-owned owner
Texas
Standard 2026-01-12 ValidFAA registration status code V: Valid registration. All codes
N10UW Cirrus Design Corp
SR20
Fixed-wing, single engine Co-owned owner
Arizona
Standard 2026-01-09 ValidFAA registration status code V: Valid registration. All codes
N20XH Cirrus Design Corp
SR20
Fixed-wing, single engine Duley Air Wing Group LLC
Alpharetta, Georgia
Standard 2026-01-09 ValidFAA registration status code V: Valid registration. All codes
N685AV Cirrus Design Corp
SR20
Fixed-wing, single engine Westwind School of Aeronautics Phoenix LLC DBA
Goodyear, Arizona
Standard 2026-01-09 ValidFAA registration status code V: Valid registration. All codes
N809CV Cirrus Design Corp
SR20
Fixed-wing, single engine 1876 Holdings LLC
Canyon, Texas
Standard 2026-01-09 ValidFAA registration status code V: Valid registration. All codes
N485DL Cirrus Design Corp
SR20
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2026-01-07 ValidFAA registration status code V: Valid registration. All codes
N523DL Cirrus Design Corp
SR20
Fixed-wing, single engine Co-owned owner
Colorado
Standard 2026-01-07 ValidFAA registration status code V: Valid registration. All codes
N68VU Cirrus Design Corp
SR20
Fixed-wing, single engine Vincennes University
Vincennes, Indiana
Standard 2026-01-07 ValidFAA registration status code V: Valid registration. All codes
N69VU Cirrus Design Corp
SR20
Fixed-wing, single engine Vincennes University
Vincennes, Indiana
Standard 2026-01-07 ValidFAA registration status code V: Valid registration. All codes
N81AT Cirrus Design Corp
SR20
Fixed-wing, single engine Altitude Aviation LLC
Pasadena, California
Standard 2026-01-06 ValidFAA registration status code V: Valid registration. All codes
N845EA Cirrus Design Corp
SR20
Fixed-wing, single engine Marlar Aviation LLC
Midlothian, Virginia
Standard 2025-12-30 ValidFAA registration status code V: Valid registration. All codes
N394TS Cirrus Design Corp
SR20
Fixed-wing, single engine Texas Southern University
Houston, Texas
Standard 2025-12-28 ValidFAA registration status code V: Valid registration. All codes
N395TS Cirrus Design Corp
SR20
Fixed-wing, single engine Texas Southern University
Houston, Texas
Standard 2025-12-28 ValidFAA registration status code V: Valid registration. All codes
N393TS Cirrus Design Corp
SR20
Fixed-wing, single engine Texas Southern University
Houston, Texas
Standard 2025-12-27 ValidFAA registration status code V: Valid registration. All codes
N524PT Cirrus Design Corp
SR20
Fixed-wing, single engine Lucky Pair Aviation LLC
Ocala, Florida
Standard 2025-12-26 ValidFAA registration status code V: Valid registration. All codes
N312CT Cirrus Design Corp
SR20
Fixed-wing, single engine Ct Air LLC
Clovis, New Mexico
Standard 2025-12-21 ValidFAA registration status code V: Valid registration. All codes
N67VU Cirrus Design Corp
SR20
Fixed-wing, single engine Vincennes University
Vincennes, Indiana
Standard 2025-12-18 ValidFAA registration status code V: Valid registration. All codes
N207SL Cirrus Design Corp
SR20
Fixed-wing, single engine Co-owned owner
Maine
Standard 2025-12-16 ValidFAA registration status code V: Valid registration. All codes
N667AV Cirrus Design Corp
SR20
Fixed-wing, single engine Westwind School of Aeronautics Phoenix LLC DBA
Goodyear, Arizona
Standard 2025-12-15 ValidFAA registration status code V: Valid registration. All codes
N62VU Cirrus Design Corp
SR20
Fixed-wing, single engine Rfto LLC
Carthage, Illinois
Standard 2025-12-13 ValidFAA registration status code V: Valid registration. All codes
N126CD Cirrus Design Corp
SR20
Fixed-wing, single engine Cirrus Design CORP
Duluth, Minnesota
Standard 2025-12-11 ValidFAA registration status code V: Valid registration. All codes
N128RE Cirrus Design Corp
SR20
Fixed-wing, single engine Hotel Juliet Romeo Echo LLC
Crosby, Texas
Standard 2025-12-10 ValidFAA registration status code V: Valid registration. All codes
N684AV Cirrus Design Corp
SR20
Fixed-wing, single engine Westwind School of Aeronautics Phoenix LLC DBA
Goodyear, Arizona
Standard 2025-12-10 ValidFAA registration status code V: Valid registration. All codes
N682AV Cirrus Design Corp
SR20
Fixed-wing, single engine Westwind School of Aeronautics Phoenix LLC DBA
Goodyear, Arizona
Standard 2025-12-09 ValidFAA registration status code V: Valid registration. All codes
N663AV Cirrus Design Corp
SR20
Fixed-wing, single engine Westwind School of Aeronautics Phoenix LLC DBA
Goodyear, Arizona
Standard 2025-12-05 ValidFAA registration status code V: Valid registration. All codes
N677AV Cirrus Design Corp
SR20
Fixed-wing, single engine Westwind School of Aeronautics Phoenix LLC
Goodyear, Arizona
Standard 2025-12-05 ValidFAA registration status code V: Valid registration. All codes
N902TV Cirrus Design Corp
SR20
Fixed-wing, single engine Ramjet 990 LLC
Ashburn, Virginia
Standard 2025-12-05 ValidFAA registration status code V: Valid registration. All codes
N525JT Cirrus Design Corp
SR20
Fixed-wing, single engine Tft INC
Colfax, Illinois
Standard 2025-12-01 ValidFAA registration status code V: Valid registration. All codes
N69PJ Cirrus Design Corp
SR20
Fixed-wing, single engine Vvv Aviation INC
Mountain View, California
Standard 2025-11-26 ValidFAA registration status code V: Valid registration. All codes
N63VU Cirrus Design Corp
SR20
Fixed-wing, single engine 63Vu LLC
Bethany, Oklahoma
Standard 2025-11-25 ValidFAA registration status code V: Valid registration. All codes
N631AV Cirrus Design Corp
SR20
Fixed-wing, single engine Westwind School of Aeronautics Phoenix LLC DBA
Goodyear, Arizona
Standard 2025-11-18 ValidFAA registration status code V: Valid registration. All codes
N633AV Cirrus Design Corp
SR20
Fixed-wing, single engine Westwind School of Aeronautics Phoenix LLC DBA
Goodyear, Arizona
Standard 2025-11-18 ValidFAA registration status code V: Valid registration. All codes
N656AV Cirrus Design Corp
SR20
Fixed-wing, single engine Westwind School of Aeronautics Phoenix LLC
Goodyear, Arizona
Standard 2025-11-18 ValidFAA registration status code V: Valid registration. All codes
N98VS Cirrus Design Corp
SR20
Fixed-wing, single engine Harrison Aero Ventures LLC
Suwanee, Georgia
Standard 2025-11-17 ValidFAA registration status code V: Valid registration. All codes
N61VU Cirrus Design Corp
SR20
Fixed-wing, single engine Triple R Aviation LLC
Cleburne, Texas
Standard 2025-11-16 ValidFAA registration status code V: Valid registration. All codes
N29AV Cirrus Design Corp
SR20
Fixed-wing, single engine Forge Aviation Fleet LLC
Fort Lauderdale, Florida
Standard 2025-11-15 ValidFAA registration status code V: Valid registration. All codes
N548AR Cirrus Design Corp
SR20
Fixed-wing, single engine Dynamic Management LLC
Mobile, Alabama
Standard 2025-11-15 ValidFAA registration status code V: Valid registration. All codes
N162AK Cirrus Design Corp
SR20
Fixed-wing, single engine Atlas N162Ak LLC
Coral Springs, Florida
Standard 2025-11-12 ValidFAA registration status code V: Valid registration. All codes
N830EG Cirrus Design Corp
SR20
Fixed-wing, single engine Gel Aviation LLC
Farmingdale, New York
Standard 2025-11-04 ValidFAA registration status code V: Valid registration. All codes
N189WM Cirrus Design Corp
SR20
Fixed-wing, single engine Sanborn-Hill Aviation LLC
Arden, North Carolina
Standard 2025-11-03 ValidFAA registration status code V: Valid registration. All codes
N662JJ Cirrus Design Corp
SR20
Fixed-wing, single engine Flying Peanuts LLC
San Francisco, California
Standard 2025-10-29 ValidFAA registration status code V: Valid registration. All codes
N574SA Cirrus Design Corp
SR20
Fixed-wing, single engine Manager Aviation LLC
Pleasanton, California
Standard 2025-10-28 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 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.