Gulfstream G550
N585DW · ICAO: A788DB · Heavy jet
Fuel burn
410 gal/hr
CO₂ per hour
3,939 kg
Car miles equiv.
9,749
BusinessCorporate fleet
GSK
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GSK plc — British pharmaceutical and vaccines group; 2025 sales £32.7B, up 7% at constant currency. Luke Miels became CEO on 1 January 2026, succeeding Dame Emma Walmsley, who led the company from 2017 and spun out Haleon along the way. HQ in London. The US headquarters is Five Crescent Drive at the Philadelphia Navy Yard — a 208,000 sq ft double-LEED-Platinum building GSK occupies alone — with the major US research weight at Upper Providence PA and Research Triangle Park NC.
N585DW is a 2014 Gulfstream G550 (GV-SP), S/N 5485, hex A788DB. The hex is derived from the registration rather than looked up: the FAA assigns the Mode S code as a pure function of the N-number, so N585DW can only ever be A788DB. FR24 carries the same code.
The registry owner is COLLEEN CORP, which is GSK's own flight department rather than a trustee arrangement — it operates out of Philadelphia International. The GSK link comes from that base and from the spotter record, not from a registry field that says GSK, and that is the standard this attribution rests on. A sister ship, N517DW (2013 G550, S/N 5417), sits under the same entity and is not on this roster yet.
No verified flight history was pulled for this tail, so no frequent destinations are claimed here rather than guessed at. If it flies the GSK site network, expect London, Research Triangle Park, Boston and Washington.
Note · Celebplanes tracks GSK's registered aircraft — not GSK personally. ADS-B data shows when and where the plane moved; who was aboard any given flight is unknown.
Aircraft owner
Colleen Corp — GSK's own flight-department registration entity
Home base
Philadelphia Intl (KPHL · PHL)
GSK's fleet (1 aircraft)
Flight history — no flights yet
No flights recorded yet
Flight data is recorded when aircraft are detected by ADS-B. Check back later.
About GSK's private jet
Does GSK have a private jet?
Yes. Celebplanes tracks 1 aircraft associated with GSK: a Gulfstream G550 (N585DW). The aircraft is registered to Colleen Corp — GSK's own flight-department registration entity, not to GSK personally. Every movement is logged from the public ADS-B broadcast, so the flight history on this page is a record of the aircraft, not of who was aboard.
What private jet does GSK own?
GSK flies a Gulfstream G550 (registration N585DW). Live tracking, full flight history, and CO₂ emissions for each aircraft are available on this page.
How many private jets does GSK own?
GSK flies 1 tracked aircraft: N585DW (Gulfstream G550). The aircraft is registered to Colleen Corp — GSK's own flight-department registration entity, not to GSK personally. This is the count Celebplanes can evidence from public registration and ADS-B records; aircraft held through undisclosed entities or chartered rather than owned would not appear here.
What kind of plane does GSK fly?
GSK flies a Gulfstream G550 — Ultra Long Range class, 6,750 nm range, seating up to 19 (registration N585DW). The aircraft is registered to Colleen Corp — GSK's own flight-department registration entity, not to GSK personally.
What is GSK's private jet tail number?
GSK's private jet tail number is N585DW (a Gulfstream G550). Each registration links to the live tracking page with full flight history, fuel burn and CO₂ emissions on Celebplanes.
How much CO₂ does GSK's jet emit per hour?
GSK's Gulfstream G550 (N585DW) burns roughly 410 gallons of Jet-A per hour, which converts to about 3,939 kg of CO₂ per flight hour — equivalent to roughly 9,749 miles of average passenger-car driving.
Attributions derived from FAA registry + ADSB Exchange + SEC filings; may be incomplete or outdated. Methodology · Report an error. Observational use only.