The cruising altitude of a normal commercial jet airplane today is around 12,000 m (35,000 ft).
The cruising altitude of Boeing 747 is 30,000 feet.
The service ceiling of a Boeing 747 is 43,000 ft. The maximum is 45,000 ft.
The nickname for the Boeing 747 airliner is Jumbo Jet.
in which year did the Boeing 747 Jumbo jet make its maiden journey?
depending upon the revision and model it's 42-45k ft
A Jumbo Jet is any Boeing 747.
A Boeing 747 typically cruises at an altitude of around 30,000 to 40,000 feet. Its cruising speed is approximately 560 to 600 miles per hour (900 to 965 kilometers per hour). These specifications can vary slightly depending on the specific model and flight conditions.
Boeing
No. The Jumbo Jet is a Boeing 747.
Boing 747's, popularly known as Jumbo Jets, typically cruise at around 32,000 to 38,000 feet altitude. This is between about 6 and 7 miles high.
"Jumbo Jet"
Boeing 747.