Engines · turbofan · data as of October 5, 2026

Rolls-Royce TAY 611 series

261 aircraft on the U.S. register carry a Rolls-Royce TAY 611 series engine, rated at about 12,450 pounds of thrust. The Gulfstream G-IV Gulfstream IV is the model most often fitted with it (233 aircraft). The aircraft carrying it were built between 1987 and 2006.

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 Rolls-Royce TAY 611 series. FAA spelling: TAY 611SER.

Fitted to model families

Gulfstream G-IV Gulfstream IV233Gulfstream GIV-X (G450)16Gulfstream G-IV (G400)7Gulfstream Aerospace G-IV (G350)2Gulfstream GIV-X (G350)2Gulfstream Aerospace G-IV (G300)1

Gulfstream G-IV Gulfstream IV · Gulfstream GIV-X (G450) · Gulfstream G-IV (G400) · Gulfstream Aerospace G-IV (G350) · Gulfstream GIV-X (G350) · Gulfstream Aerospace G-IV (G300)

Where they are owner's state

California49Delaware38Florida37Texas21Utah18New York15Nevada8Georgia7Alabama6Oklahoma5

Kind of aircraft

Business jets261 (100%)

When the aircraft were built by decade

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

Fitted to

Gulfstream G-IV Gulfstream IV 233 with this engine series
Gulfstream GIV-X (G450) 16 with this engine series
Gulfstream G-IV (G400) 7 with this engine series
Gulfstream GIV-X (G350) 2 with this engine series

Where they are

California 49 of these aircraft
Delaware 38 of these aircraft
Florida 37 of these aircraft
Texas 21 of these aircraft
Utah 18 of these aircraft

Biggest operators

Tvpx Aircraft Solutions INC Trustee 14 of these aircraft
Alliance Aviation Group LLC 4 of these aircraft
Avire LLC 3 of these aircraft
Avion LLC 3 of these aircraft

Analytics

These connections as data: /graph/engine/rolls-royce-tay-611-series.json · about the eFlight graph.

Aircraft newest certificates first · 261

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N37WH	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Northrop Grumman Systems CORP El Segundo, California	Experimental	2018-09-25	Valid
N570DC	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Webster Air LLC Houston, Texas	Standard	2018-07-26	Valid
N917MS	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	917Ms LLC Longwood, Florida	Standard	2018-02-20	Valid
N565RV	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Csc Delaware Trust CO Trustee Wilmington, Delaware	Standard	2017-11-14	Valid
N120SB	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Hrs Aircraft LLC New York, New York	Standard	2017-11-07	Valid
N320JM	Gulfstream Aerospace GIV-X (G450)	Fixed-wing, multi-engine	Blaise Carolina LLC Wilmington, Delaware	Standard	2017-09-25	Valid
N275DJ	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Bank of Utah Trustee Salt Lake City, Utah	Standard	2017-09-19	Valid
N400FJ	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Ptj Associates LLC South Pasadena, California	Standard	2017-08-17	Valid
N481SC	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Rjs Aviation LLC Fort Myers, Florida	Standard	2017-06-07	Valid
N313AR	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Dora 13 LLC North Bergen, New Jersey	Standard	2017-05-25	Valid
N68AL	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Aircraft Engine Lease Finance INC Guaynabo, Puerto Rico	Standard	2017-03-23	Valid
N888ES	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Spinair LLC Saratoga, California	Standard	2017-03-13	Valid
N1624K	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	4Kla LLC Pittsfield, Massachusetts	Standard	2017-02-02	Valid
N333FG	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Fg Aviation LLC Philadelphia, Pennsylvania	Standard	2016-12-23	Valid
N71NE	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Ial CORP Lewes, Delaware	Standard	2016-08-03	Valid
N616RR	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Red River Aircraft Leasing LLC Anchorage, Alaska	Standard	2016-06-29	Valid
N461GT	Gulfstream Aerospace GIV-X (G450)	Fixed-wing, multi-engine	Deeside Aviation LLC Sparks, Nevada	Standard	2016-02-22	Valid
N702JF	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	J F Air LLC Beverly Hills, California	Standard	2016-01-04	Valid
N146BG	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Aircraft Holdings INC Fort Lauderdale, Florida	Standard	2015-12-14	Valid
N415LT	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Tc Business Aviation LLC San Francisco, California	Standard	2015-08-13	Valid
N428KS	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Sn 1360 LLC Wilmington, Delaware	Standard	2015-07-21	Valid
N178PT	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Platinum Aviation LLC Carson City, Nevada	Standard	2015-07-14	Valid
N99GY	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Zimmer Development Company LLC Wilmington, North Carolina	Standard	2015-04-14	Valid
N17KW	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Co-owned owner Alabama	Standard	2014-09-16	Valid
N437GA	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Aircraft Guaranty CORP Trustee Oklahoma City, Oklahoma	Standard	2014-06-17	Valid
N1D	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Wac I LLC Fort Lauderdale, Florida	Standard	2014-06-11	Valid
N1625	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Saba Rock Transportation LLC Corona del Mar, California	Standard	2014-06-05	Valid
N445MD	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Malcolm Aviation LLC San Francisco, California	Standard	2013-12-20	Valid
N80QJ	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine		Standard	2013-07-15	Valid
N352BH	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Gle 1393 LLC Sunny Isles, Florida	Standard	2013-02-22	Valid
N30LH	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Hillier Giv LLC Va Beach, Virginia	Standard	2012-05-25	Valid
N397JJ	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Avion LLC Birmingham, Alabama	Standard	2012-03-16	Valid
N107TD	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Bopper Airways LLC Indianapolis, Indiana	Standard	2012-03-09	Valid
N559LC	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Olympia Aviation LLC Detroit, Michigan	Standard	2012-03-05	Valid
N485GM	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Global Destinations LLC Beaumont, Texas	Standard	2011-11-15	Valid
N800AR	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Perpetual Aviation LLC Arlington, Virginia	Standard	2011-09-12	Valid
N501RB	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Lone Star Land & Cattle CO Houston, Texas	Standard	2011-05-20	Valid
N624GJ	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Blue Water Aviation LLC Wilmington, Delaware	Standard	2011-05-17	Valid
N877LC	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Letica Leasing LLC Rochester Hills, Michigan	Standard	2010-09-17	Valid
N156WJ	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	156Wj LLC Farmingdale, New York	Standard	2010-05-28	Valid
N271TV	Gulfstream Aerospace G-IV (G400)	Fixed-wing, multi-engine	Jaydak LLC Tampa, Florida	Standard	2009-12-22	Valid
N450Z	Gulfstream Aerospace GIV-X (G450)	Fixed-wing, multi-engine	G650 LLC Bloomfield Hills, Michigan	Standard	2009-12-04	Valid
N444QG	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Quad/Air LLC Sussex, Wisconsin	Standard	2009-11-30	Valid
N925DC	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Avion LLC Birmingham, Alabama	Standard	2009-10-14	Valid
N429DD	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Aircraft Trust & Financing CORP Trustee Wilmington, Delaware	Standard	2009-04-01	Valid
N874C	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Trans-Exec Air Service INC Van Nuys, California	Standard	2008-06-04	Valid
N228RE	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Cape Clear LLC Westborough, Massachusetts	Standard	2008-02-28	Valid
N324FP	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Wilmington Trust CO Trustee Wilmington, Delaware	Standard	2007-05-09	Valid
N818ME	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Cape Clear LLC Westboro, Massachusetts	Standard	2006-12-28	Valid
N232F	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	N232K LLC Midland, Texas	Standard	2006-12-20	Valid
N527JC	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Giv Exec Jet LLC Ithaca, New York	Standard	2006-11-17	Valid
N763DB	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Trans Exec Air Service INC Van Nuys, California	Standard	2006-06-05	Valid
N327TL	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Thomas H Lee Capital LLC Teterboro, New Jersey	Standard	2005-10-13	Valid
N225DC	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Avion LLC Birmingham, Alabama	Standard	2003-07-03	Valid
N1TM	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Marsico Aviation LLC Denver, Colorado	Standard	2003-05-13	Valid
N827GA	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Ppg Industries INC West Mifflin, Pennsylvania	Standard	2002-08-26	Valid
N900WR	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Individual owner New Mexico	Standard	2001-02-02	Valid
N857ST	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Seminole Tribe of Florida Hollywood, Florida	Standard	1999-07-16	Valid
N5MC	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Georgetown Interstate Aviation INC Santa Barbara, California	Standard	1994-12-23	Valid
N329GA	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Gulfstream Aerospace CORP Savannah, Georgia	Standard		Valid (manufacturer)
N332GA	Gulfstream Aerospace G-IV	Fixed-wing, multi-engine	Gulfstream Aerospace CORP Savannah, Georgia	Standard		Valid (manufacturer)

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.