35'000 feet.
The maximum certificated altitude for the 747 is 45,100 feet.
The maximum altitude for a 747 is 45,100 feet.
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.
747
Around 41,000 feet.
Boeing created the Boeing 747.
Boeing 747's are manufactured by Boeing Commercial Aeroplanes.
The Boeing 747 is manufactured by Boeing Commercial Airplanes.
747 has no particular meaning, it follows in Boeing's naming convention.
A Boeing 747-400 is the largest airplane that Boeing make. It has four engines and was designed in 1988. It is the second most recent Boeing 747 that Boeing have made.
A Boeing 747 has four engines.