The 747 entered commercial service in January 1970 with Pan American between New York JFK and London.
United Airlines currently has 24 Boeing 747-400 in service.
The Boeing 747 has a service ceiling altitude of 43,100 ft (13,100 m)
A Boeing 747 has four engines.
if you mean how many wheels is a Boeing 747, there are 18.
The Boeing 747 has at least 4 engines.
The Boeing 747 is manufactured by Boeing Commercial Airplanes.
As of 22nd October 2015, there are currently 96Boeing 747-8 aircraft that are in service:- 36 747-8I Intercontinental- 60 747-8F Freighters
16.
A 747-400 with 3 classes of service holds about 416 passengers. With 2 classes of service it can hold 524 passengers.
The Maximum Take-Off Weight for a Boeing 747-100 is 333, 390kg; a Boeing 747-200 and 747-300 is 377,842kg; a Boeing 747-400 is 396,890kg; a Boeing 747-400ER is 412,775kg and the Boeing 747-8I is 442,253kg.
The most popular model, the Boeing 747-400 and the Boeing 747-8 can go at 988km/h
January 21, 1970 was the first commercial use of the 747.