N143 Owner: Jan Koum — Gulfstream G650ER Tail Number

Tracked flights

Lifetime CO₂

35.8t

Flight hours

Specifications

Tail

N143

ICAO

A0ADD4

Size class

Heavy

Fuel burn

470 gal/hr

CO₂ / hour

4,515 kg

Car miles equiv. / hr

11,176

Owner

Jan Koum

N143 — flight history (6 flights)

CompletedKSJC — Norman Y. Mineta San Jose International Airport→KATW — Appleton International AirportMay 11, 2026, 06:27 PM · 3h 15m
CompletedKVNY — Van Nuys Airport→KSJC — Norman Y. Mineta San Jose International AirportMay 11, 2026, 01:14 AM · 50m
CompletedKSFO — San Francisco International Airport→KVNY — Van Nuys AirportMay 8, 2026, 07:14 PM · 1h 0m
CompletedKVNY — Van Nuys Airport→KSFO — San Francisco International AirportMay 8, 2026, 03:51 PM · 58m
CompletedKSJC — Norman Y. Mineta San Jose International Airport→

About N143

Who owns N143?

N143 is a Gulfstream G650ER owned by Jan Koum.

What type of aircraft is N143?

N143 is a Gulfstream G650ER, a heavy jet with a typical fuel burn of 470 gallons per hour.

What is N143's ICAO hex code?

N143's ICAO hex code is A0ADD4. It is the 24-bit transponder address the aircraft broadcasts over ADS-B, and it is how Celebplanes identifies N143 in the live feed.

Where is N143 now?

N143 is not airborne right now. Its most recent tracked flight ended at KATW — Appleton International Airport on May 11, 2026, 09:43 PM.

How much CO₂ does N143 emit per flight hour?

N143 emits roughly 4,515 kg of CO₂ per flight hour, equivalent to about 11,176 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Attributions derived from FAA registry + ADSB Exchange + SEC filings; may be incomplete or outdated.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.