The service ceiling for the Boeing 787 is 43,000 feet.
It is 7478.
The Young and the Restless - 1973 1-7478 was released on: USA: 2 October 2002
The Boeing 777's service ceiling is 43,100 feet.
United Airlines currently has 24 Boeing 747-400 in service.
1964
The Boeing 747 has a service ceiling altitude of 43,100 ft (13,100 m)
The 747 entered commercial service in January 1970 with Pan American between New York JFK and London.
7478
The Boeing 777 (or triple 7) was first flown on 12th June 1994 with an introduction to service on 7th June 1995 with United Airlines.
It first entered service with Pan Am in October 1958
The first commercial flight of the Boeing 247 took place on February 8, 1933.