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Tail number · ICAO A63C5E

N5000X Gulfstream V · Owner: Nathan Myhrvold

Tracked flights

8

Lifetime CO₂

95.8t

Flight hours

23h

N5000X details and fuel burn

Tail

N5000X

ICAO

A63C5E

Registered in

United States

Size class

Heavy

Fuel burn

430 gal/hr

CO₂ / hour

4,131 kg

Car miles equiv. / hr

10,225

Owner

Nathan Myhrvold

Registered to

Teratorn LLC (Seattle) — named for the extinct giant bird, in keeping with his palaeontology work

Category

Tech

Track N5000X on the live map →Other Gulfstream V ownersNathan Myhrvold's full fleet

Where has N5000X flown? 8 recent flights

These are the last 8 flights we tracked for N5000X, newest first. The airports it used most are King County International Airport - Boeing Field (KBFI), Daniel K. Inouye International Airport (PHNL) and Saguenay-Bagotville Airport (CYBG).

  • CompletedCYBG — Saguenay-Bagotville Airport→KBFI — King County International Airport - Boeing FieldOct 18, 2026, 09:13 PM · 5h 15m
  • CompletedKBED — Laurence G Hanscom Field→CYBG — Saguenay-Bagotville AirportOct 16, 2026, 06:14 PM · 52m
  • CompletedKTTN — Trenton Mercer Airport→KBED — Laurence G Hanscom FieldOct 14, 2026, 02:50 PM · 54m
  • CompletedKBFI — King County International Airport - Boeing Field→KTTN — Trenton Mercer AirportOct 10, 2026, 02:46 PM · 4h 24m
  • CompletedPHNL — Daniel K. Inouye International Airport→KBFI — King County International Airport - Boeing FieldSep 26, 2026, 06:50 PM · 5h 15m
  • Completed20.27°, -160.26°→PHNL — Daniel K. Inouye International AirportSep 26, 2026, 03:33 AM · 29m
  • CompletedPHNL — Daniel K. Inouye International Airport→19.90°, -161.21°Sep 17, 2026, 06:51 PM · 41m
  • CompletedKBFI — King County International Airport - Boeing Field→PHNL — Daniel K. Inouye International AirportSep 16, 2026, 04:56 PM · 5h 18m

Gulfstream V specs

N5000X is a Gulfstream V. This model can fly about 6,675 nautical miles without stopping and seats up to 16 passengers.

Maker
Gulfstream
Range
6,675 nm
Top speed
Mach 0.885 / 488 kts
Seats
Up to 16
Ceiling
51,000 ft
Length
96.4 ft
Engines
2× Rolls-Royce BR710-A1-10 (15,385 lbf each)
In service since
1997

More about the Gulfstream V

Who else flies a Gulfstream V?

We track 11 other planes of this model. Here are 8 of them.

N5000X owner and tail number FAQ

Who owns N5000X?

N5000X is a Gulfstream V registered to Teratorn LLC (Seattle) — named for the extinct giant bird, in keeping with his palaeontology work and flown by Nathan Myhrvold.

What type of aircraft is N5000X?

N5000X is a Gulfstream V. It is a heavy jet that burns about 430 gallons of fuel per hour.

What is N5000X's ICAO hex code?

N5000X's ICAO hex code is A63C5E. It is the unique code the jet's transponder sends out over ADS-B. Celebplanes uses it to find N5000X in the live feed.

Where is N5000X now?

N5000X is not airborne right now. Its most recent tracked flight ended at KBFI — King County International Airport - Boeing Field on Oct 19, 2026, 02:28 AM.

How much CO₂ does N5000X emit per flight hour?

N5000X gives off about 4,131 kg of CO₂ for each hour it flies. That is about the same as driving an average car 10,225 miles.

Owner matches come from the FAA registry, adsb.lol (ODbL) and ADSB.fi data, and SEC filings. They may be incomplete or out of date. Methodology · Report an error. For observational use only.