The register · data as of October 8, 2026

Aircraft with Lycoming TIO-540 series engines that are piston twins

1,350 on the U.S. register, newest registrations first. This is the list behind a number on another page; the words above say exactly what it counts. Individuals are not named at this time; companies, trusts and government bodies are shown as the FAA publishes them.

Tail no.	Maker and model	Owner and base	Certificate	Registered	Status
N611HM	Smith AEROSTAR 601P	Physical Systems INC Carson City, Nevada	Standard	2000-03-29	Valid
N5713Y	Piper PA-23-250	Co-owned owner Texas	Standard	2000-03-27	Valid
N310PG	Piper PA-31-310	Mid-South Bulk Services INC West Memphis, Arkansas	Standard	2000-03-22	Valid
N353CC	Aero Commander 500-B	Three Jay Enterprises LLC Los Altos, California	Standard	2000-02-28	Valid
N62688	Piper PA-23-250	Individual owner Pennsylvania	Standard	1999-12-21	Valid
N27349	Piper PA-31-310	Co-owned owner Nebraska	Standard	1999-10-27	Valid
N204SC	Piper PA-23-250	Co-owned owner Texas	Standard	1999-09-17	Valid
N58PG	Piper PA-23-250	Teterboro School of Aeronautics INC Virginia Beach, Virginia	Standard	1999-09-15	Valid
N62557	Piper PA-23-250	Yukon Intermountain INC Anchorage, Alaska	Standard	1999-08-18	Valid
N6644B	Cessna 310B	N6644B LLC Cresson, Texas	Standard	1999-08-13	Valid
N349CH	Piper PA-23-250	Ace Flight Center INC St Thomas, U.S. Virgin Islands	Standard	1999-07-09	Valid
N549JB	Piper PA-31-350	Blue Bird Aviation LLC Ocean City, Maryland	Standard	1999-05-21	Valid
N6AR	Piper PA-31	Bluewater Airmotive Corporation Wilmington, Delaware	Standard	1998-12-10	Valid
N272CA	Aero Commander 500-B	Central Airlines INC Leawood, Kansas	Standard	1998-09-09	Valid
N353SL	Piper PA-31-350	Sneaker Air INC Miami, Florida	Standard	1998-08-25	Valid
N4426Y	Piper PA-23-250	R & S Enterprises Fort Wayne, Indiana	Standard	1998-06-10	Valid
N6UC	Piper PA-23-250	Individual owner Pennsylvania	Standard	1998-06-03	Valid
N54238	Piper PA-23-250	Backcreek Farms INC Rougemont, North Carolina	Standard	1998-03-05	Valid
N20LX	Piper PA-31-350	Lockheed Martin Corporation Palmdale, California	Experimental	1997-10-02	Valid
N108AC	Piper PA-31-325	Individual owner Florida	Standard	1997-09-29	Valid
N900TS	Piper PA-23-250	Midwest Flying Service INC Sheldon, Iowa	Standard	1997-08-07	Valid
N83BF	Piper PA-23-250	Individual owner California	Standard	1997-05-28	Valid
N447T	Piper PA-23-250	Thompson Systems INC Amana, Iowa	Standard	1997-03-18	Valid
N9247Y	Piper PA-31-310	West Bend Air INC West Bend, Wisconsin	Standard	1997-02-06	Valid
N32SB	Piper PA-31-325	Individual owner Maryland	Restricted	1997-01-10	Valid
N500GW	Aero Commander 500-B	Feldtman Enterprises INC Wilmington, Delaware	Standard	1996-10-21	Valid
N6393Y	Piper PA-23-250	Individual owner Washington	Standard	1996-09-20	Valid
N676SA	Piper PA-31-325	Vincennes University Indianapolis, Indiana	Standard	1996-08-12	Valid
N109FC	Piper PA-31-325	Usda Forest Service Fepp Tallahassee, Florida	Standard	1996-08-08	Valid
N127KH	Aero Commander 500-B	Central Airlines INC Leawood, Kansas	Standard	1996-07-18	Valid
N5714Y	Piper PA-23-250	Co-owned owner Oklahoma	Standard	1996-06-21	Valid
N30TP	Piper PA-31-350	Le Ciel Bleu LLC Hudson, Wisconsin	Standard	1996-06-11	Valid
N6052Y	Piper PA-23-250	Central Kentucky Aviation INC Bardstown, Kentucky	Standard	1996-05-07	Valid
N1851A	Piper PA-31-310	Placer County Sheriffs Department Auburn, California	Standard	1996-03-12	Valid
N601EM	Smith AEROSTAR 601P	Valestin Donald P Queen Creek, Arizona	Standard	1996-01-26	Valid
N49RD	Piper PA-23-250	Individual owner Michigan	Standard	1995-10-10	Valid
N121SL	Piper PA-23-250	Individual owner Georgia	Standard	1995-10-04	Valid
N63693	Piper PA-31-310	Budd Aircraft Enterprises INC Chesterfield, Missouri	Standard	1995-09-22	Valid
N614HM	Smith AEROSTAR 601P	Individual owner California	Standard	1995-07-20	Valid
N3556X	Piper PA-31-310	West Bend Air INC West Bend, Wisconsin	Standard	1995-07-07	Valid
N14224	Piper PA-23-250	Individual owner Florida	Standard	1995-06-13	Valid
N85DL	Piper PA-31-310	Delta Lima INC Justice, West Virginia	Standard	1995-04-06	Valid
N324RR	Aero Commander 500-B	Central Airlines INC Leawood, Kansas	Standard	1995-03-27	Valid
N7599L	Piper PA-31-310	Aviation Pursuits INC Carrollton, Georgia	Standard	1995-01-30	Valid
N1T	Smith AEROSTAR 600	Individual owner North Carolina	Standard	1995-01-25	Valid
N59987	Piper PA-31-350	Wings As Eagles Mission Air Serv INC Oshkosh, Wisconsin	Standard	1995-01-18	Valid
N6375Y	Piper PA-23-250	Church of Bible Understanding Scranton, Pennsylvania	Standard	1995-01-05	Valid
N3529A	Piper PA-31-350	Majestic Enterprises LTD Wilmington, Delaware	Standard	1994-10-27	Valid
N90EF	Piper PA-23-250	Individual owner New York	Standard	1994-10-27	Valid
N58KM	Piper PA-23-250	Co-owned owner Florida	Standard	1994-08-08	Valid
N18HL	Piper PA-31-350	Businessliner INC Ft Lauderdale, Florida	Standard	1993-12-01	Valid
N14394	Piper PA-23-250	Pavco INC Gig Harbor, Washington	Standard	1993-10-13	Valid
N4082T	Piper PA-31-350	Warbelows Air Ventures INC Fairbanks, Alaska	Standard	1993-06-17	Valid
N44PT	Piper PA-23-250	Daedalus Flight Service INC P Fokaia,	Standard	1993-02-18	Valid
N90509	Smith AEROSTAR 600	Individual owner Georgia	Standard	1992-12-08	Valid
N369PM	Rockwell International 700	Arapahoe Telephone CO INC Arapahoe, Nebraska	Standard	1992-11-18	Valid
N1NX	Beech D95A	Birchwood Farms INC Hope Mills, North Carolina	Standard	1992-10-20	Valid
N613RA	Piper PA-23-250	Individual owner Florida	Multiple	1992-07-28	Valid
N59764	Piper PA-31-350	Warbelows Air Ventures INC Fairbanks, Alaska	Standard	1992-07-13	Valid
N7438S	Smith AEROSTAR 600	Individual owner Florida	Standard	1992-03-24	Valid
N995AK	Piper PA-31-350	Lake Clark Air INC Port Alsworth, Alaska	Standard	1991-12-26	Valid
N4077W	Piper PA-31-325	Individual owner Mississippi	Standard	1991-12-13	Valid
N241PB	Piper PA-23-250	Transtek International INC Deerfield, Illinois	Standard	1991-08-13	Valid
N560DB	Piper PA-23-250	Anderson Aerial Spraying Svc INC Canby, Minnesota	Standard	1991-08-02	Valid
N40813	Piper PA-31-325	Individual owner Florida	Standard	1991-05-31	Valid
N6904Y	Piper PA-23-250	United Jet Sales INC Newark, Delaware	Standard	1990-10-31	Valid
N59829	Piper PA-31-350	Warbelows Air Ventures INC Fairbanks, Alaska	Standard	1990-10-09	Valid
N664R	Cessna 310D	Co-owned owner Virginia	Standard	1990-09-28	Valid
N790BB	Piper PA-23-250	Individual owner South Carolina	Standard	1990-09-20	Valid
N777CM	Aero Commander 500-B	Central Airlines INC Leawood, Kansas	Standard	1990-02-02	Valid
N3547B	Piper PA-31-350	Mlmce Company INC Winchester, Virginia	Standard	1989-11-15	Valid
N6601L	Piper PA-23-250	United Jet Sales INC Newark, Delaware	Standard	1989-07-28	Valid
N7426L	Piper PA-31-310	Wright Air Service INC Fairbanks, Alaska	Standard	1989-06-19	Valid
N271MC	Piper PA-31-310	Sunshine Aero Industries INC Crestview, Florida	Multiple	1989-04-24	Valid
N109CC	Piper PA-23-250	Trans-Caribbean Air Exp & Imp INC Miami, Florida	Standard	1989-03-30	Valid
N8CT	Piper PA-23-250	Opitz Airways INC Belleair, Florida	Standard	1989-03-08	Valid
N9215Y	Piper PA-31-300	Astro Star Aviation INC Niles, Michigan	Standard	1989-02-13	Valid
N88CM	Smith AEROSTAR 601	Individual owner Oklahoma	Standard	1989-01-26	Valid
N88VB	Piper PA-23-250	Individual owner California	Standard	1989-01-18	Valid
N61470	Piper PA-31-310	Individual owner Tennessee	Standard	1988-11-29	Valid
N613WK	Piper PA-23-250	Individual owner California	Standard	1988-09-08	Valid
N404CH	Piper PA-23-250	Northwestern Michigan College Traverse City, Michigan	Standard	1988-08-22	Valid
N3586X	Piper PA-31-310	Pops Aviation INC Spartanburg, South Carolina	Standard	1988-08-08	Valid
N3547G	Piper PA-31-350	Carto Flight INC Willoughby, Ohio	Standard	1988-04-18	Valid
N9FW	Piper PA-31-350	Wright Air Service INC Fairbanks, Alaska	Standard	1988-03-07	Valid
N134TS	Smith AEROSTAR 601	Individual owner Florida	Standard	1988-03-04	Valid
N630KC	Aero Commander 500-B	Central Airlines INC Leawood, Kansas	Standard	1987-10-06	Valid
N5454Y	Piper PA-23-250	Individual owner Ohio	Standard	1987-08-31	Valid
N9069Y	Piper PA-31-310	Ami Aviation INC Monroe, New York	Experimental	1986-02-06	Valid
N54258	Piper PA-23-250	Individual owner New Hampshire	Standard	1986-02-05	Valid
N5579Y	Piper PA-23-250	Individual owner Florida	Standard	1985-12-06	Valid
N516DT	Aero Commander 500-B	Central Airlines INC Leawood, Kansas	Standard	1985-10-01	Valid
N716TC	Aero Commander 500-B	Central Airlines INC Leawood, Kansas	Standard	1985-08-13	Valid
N615MT	Aero Commander 500-B	Central Airlines INC Leawood, Kansas	Standard	1985-07-12	Valid
N610BW	Aero Commander 500-B	Central Airlines INC Leawood, Kansas	Standard	1985-06-28	Valid
N6786Y	Piper PA-23-250	Individual owner South Dakota	Standard	1985-05-21	Valid
N194Z	Aero Commander 500-B	Usda Forest Service Fepp Malvern, Arkansas	Standard	1985-05-17	Valid
N7553L	Piper PA-31-310	Individual owner Ohio	Standard	1985-04-18	Valid
N404WB	Britten-Norman BN2A-26 ISLANDER	New England Airlines INC Westerly, Rhode Island	Standard	1984-08-23	Valid
N7294P	Piper PA-23-250	Mcnamara Pa Far Hills, New Jersey	Standard	1984-04-09	Valid