The U.S. aircraft register, updated daily
Models · Gulfstream · Business jets · data as of November 13, 2026

Gulfstream GIV-X G450

9 on the U.S. register. Built from 2003 to 2011; half of them date from 2007 or earlier. Utah has the most (3). 100% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.

Gulfstream GIV-X: Family of private twinjet aircraft manufactured by Gulfstream Aerospace
Photo: NOAA; http://www.photolib.noaa.gov/aboutc.html, Public domain, via Wikimedia Commons · Gulfstream IV on Wikipedia

About the GIV-X from the FAA's model table

Type
Fixed-wing, multi-engine · Business jets
Power
Turbofan, 2 engines
Common engines
Rolls-Royc Tay 611-8C (9)
Fuel
Jet A
Seats
22
Built of
aluminium
Maker on the register
Gulfstream Aerospace
Registered
earliest certificate January 26, 2011; newest October 30, 2026

Who owns them registrant type

By owner type, as a table
aircraftshare
LLC667%
Corporation333%

Versions as the FAA records them · click one to list only those aircraft

VersionRegisteredBuiltShare
GIV-X92003 to 2011100.0%

When they were built by decade · 1 with no year on file

By decade built, as a table
aircraft
20007
20101

Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far

Registrations by year, as a table
aircraft
20111
20181
20221
20232
20241
20251
20262

Registration status

By status, as a table
aircraftshare
Valid889%
Renewal notice sent111%

Airworthiness certificate class

By airworthiness certificate, as a table
aircraftshare
Standard889%
Experimental111%

Biggest operators companies, schools and clubs

Tvpx Aircraft Solutions INC Trustee3Tailwind Holdings LLC1Suburban Properties 3 LLC1Jg Leasing LLC1Gulfstream Leasing LLC1Delphi Consulting LLC1Cudlob 4087 LLC1
Largest fleets, as a table
aircraft
Tvpx Aircraft Solutions INC Trustee3
Tailwind Holdings LLC1
Suburban Properties 3 LLC1
Jg Leasing LLC1
Gulfstream Leasing LLC1
Delphi Consulting LLC1
Cudlob 4087 LLC1

Fleet pages: Tvpx Aircraft Solutions INC Trustee · Gulfstream Leasing LLC

Accident history NTSB records · 0 cases since 1982, 0 fatal

No NTSB accident or incident records match this family's versions. Each aircraft's own page also shows its record. How models compare: Accidents by model in Aviation Analytics.

Questions people ask answers refresh every morning

How many Gulfstream GIV-X G450 aircraft are registered in the U.S.?

9 as of November 13, 2026, counting 1 version the FAA records separately.

Which state has the most Gulfstream GIV-Xs?

Utah, with 3.

Who owns the Gulfstream GIV-X?

100% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are not named on this site at this time.

When were the Gulfstream GIV-Xs on the register built?

Between 2003 and 2011; half of them in 2007 or earlier.

What is the Gulfstream GIV-X made of?

The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The FAA's type certificate data sheet is the authority for any one model.

What the FAA has certified, ordered and been told about the Gulfstream GIV-X the component layer

The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The design is held under 1 type certificate (A12EA, held by Gulfstream Aerospace Corporation). The FAA has issued 20 airworthiness directives (orders that owners must comply with) that name this model, most of them about instruments and avionics. Operators and repair shops have filed 25 failure reports with the FAA since 2011, 19 of them in the last ten years: about 26.4 a year for every 100 aircraft on the register; the system most often named is airframe structure. 274 approved modifications exist for it, the most by Gulfstream Aerospace Corporation.

FAA orders 20 airworthiness directives · newest first

2026-07-012026-13-02 · Navigation · instruments and avionics
2023-06-202023-08-03 · Flight Controls · heating, ice protection and utility systems
2023-05-262023-10-02 · Indicating/Recording System, Navigation · instruments and avionics
2019-12-132019-20-08 · Flight Controls · airframe structure
2018-06-112018-09-04 · Landing Gear · landing gear
2018-01-252017-26-05 · Wings · flight controls

All orders naming the Gulfstream GIV-X

By system

Orders by system, as a table
ordersshare
Instruments and avionics840%
Engine420%
Heating, ice protection and utility systems210%
Landing gear210%
Flight controls210%
Airframe structure15%
Electric propulsion15%

Failure reports 25 since 2011 · what operators and shops told the FAA

0124511121317181920212224125
Failure reports by year, as a table
reports
113
122
131
171
184
193
205
211
223
241
251

By system

Failure reports by system, as a table
reportsshare
Airframe structure1560%
Flight controls416%
Landing gear312%
Engine28%
Cabin, seats and restraints14%

Parts most often reported as the reports name them

Parts most reported, as a table
reports
Fitting3
Trunnion3
Windshield3
Structure2
Thrust Reverser2
Actuator1
Bracket1
Brake Sys1
Clamp1
Landing Gear1

Latest reports

2025-07-16Windshield: fractured · airframe structure
2024-05-24Landing Gear: faulted · landing gear
2022-03-14None: none · flight controls
2022-03-10None: none · flight controls
2022-03-06None: none · flight controls

Approved replacement parts 292 parts manufacturer approvals

Parts a company other than the maker may make for this design and sell as FAA-approved. The companies holding the most:

Most often: evas (10), valve (8), gvsp controller (6), trim air (5), starlink aviation (5), supply air (4), radome boot (4), quiet package (4), nozzle (4), isolation valve (4).

Approved modifications 274 supplemental type certificates

Changes the FAA has approved for this design, from new avionics and engines to floats and parachutes. The companies holding the most:

Latest

2026-09-04ST04817NY · Replacement of OEM Standard 44 amp-hour batteries
2026-08-26ST12461IB · Installation of Cockpit Voice Recorder with optional RIPS Upgrade
2026-08-24ST00885LA · Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire...
2026-05-28ST00197IB · Installation of the Universal Quick Access Recorder (uQAR)
2026-04-08ST04328NY · The Manufacture and Installation of Exterior Placards, Labels and Signs is to be performed, installed

Certificates and bulletins

A12EAType certificate held by Gulfstream Aerospace Corporation · 7 models listed · revised April 21, 2026

Special conditions rules the FAA wrote for this design

Safety bulletins 3 · advice, not orders

2019-12-05CE-19-20 · Flight Compartment Windows
2010-01-07NM-10-12 · Navigation: Flight Management System
2010-01-07NM-10-13 · Navigation: Flight Management System

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 the GIV-X links to the rest of the register

Design
Engines
Where they are
Biggest operators
Record
Airworthiness

The whole map of how records connect · these connections as data: /graph/model/gulfstream/giv-x.json.

Aircraft newest certificates first · 9

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N59CF Gulfstream Aerospace
GIV-X
Tailwind Holdings LLC
San Ramon, California
Standard 2026-10-30 ValidFAA registration status code V: Valid registration. All codes
N2461H Gulfstream Aerospace
GIV-X
Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2026-01-28 ValidFAA registration status code V: Valid registration. All codes
N305GP Gulfstream Aerospace
GIV-X
Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2025-02-24 ValidFAA registration status code V: Valid registration. All codes
N247PD Gulfstream Aerospace
GIV-X
Delphi Consulting LLC
Knoxville, Tennessee
Standard 2024-06-26 ValidFAA registration status code V: Valid registration. All codes
N6JG Gulfstream Aerospace
GIV-X
Jg Leasing LLC
Bradenton, Florida
Standard 2023-10-25 ValidFAA registration status code V: Valid registration. All codes
N6857F Gulfstream Aerospace
GIV-X
Cudlob 4087 LLC
South Miami, Florida
Standard 2023-10-21 ValidFAA registration status code V: Valid registration. All codes
N67JE Gulfstream Aerospace
GIV-X
Tvpx Aircraft Solutions INC Trustee
North Salt Lake, Utah
Standard 2022-06-16 ValidFAA registration status code V: Valid registration. All codes
N2DF Gulfstream Aerospace
GIV-X
Suburban Properties 3 LLC
Birmingham, Michigan
Standard 2018-11-13 ValidFAA registration status code V: Valid registration. All codes
N401SR Gulfstream Aerospace
GIV-X
Gulfstream Leasing LLC
Savannah, Georgia
Experimental 2011-01-26 Renewal notice sentFAA registration status code 25: First notice for registration renewal. All codes