American Express Company is a global payments and travel-services corporation headquartered in New York City (200 Vesey Street). Its corporate flight department operates out of New York Stewart International (KSWF) in Newburgh, with the aircraft registered to American Express Travel Related Services Co Inc.
The FAA lists four jets under the 'GB' tail series: two Gulfstream G650ERs (N650GB, N652GB) and two Gulfstream G600s (N604GB, N609GB), all with valid registration. The G650ERs are ultra-long-range heavy jets used for transcontinental and transatlantic executive travel; the newer G600s round out the fleet.
