30 September 1968: The first Boeing 747, City of Everett, was rolled out at Boeing’s Everett, Washington plant. It was registered as N7470, and carried Boeing’s serial number, 20235. Identified internally as RA001, the Boeing 747-121 was the first “jumbo jet.”
The 747-100 series was the first version of the Boeing 747 to be built. It was operated by a flight crew of three and was designed to carry 366 to 452 passengers. It is 231 feet, 10.2 inches (70.668 meters) long with a wingspan of 195 feet, 8 inches (59.639 meters) and overall height of 63 feet, 5 inches (19.329 meters). The interior cabin width is 20 feet (6.096 meters), giving it the name “wide body.” The airliner’s empty weight is 370,816 pounds (168,199 kilograms) and the Maximum Takeoff Weight (MTOW) is 735,000 pounds (333,390 kilograms).
The 747-100 is powered by four Pratt & Whitney JT9D-7A high-bypass turbofan engines. These can produce 46,150 pounds of thrust (205.29 kilonewtons) each, or 47,670 pounds of thrust (212.05 kilonewtons) with water injection (2½ minutes).
The Boeing 747-100 has a cruise speed of 0.84 Mach (555 miles per hour, 893 kilometers per hour) at 35,000 feet (10,668 meters) and it’s maximum speed is 0.89 Mach (594 miles per hour/893 kilometers per hour). The maximum range at MTOW is 6,100 miles (9,817 kilometers).
The Boeing 747 has been in production for 52 years. More than 1,550 have been built. 250 of these were the 747-100 series. Recent reports are that production will end in early 2021, with completion of sixteen 747-8F freighters currently on order.
N7470 made its first flight on 9 February 1969. It last flew in 1995. City of Everett is on static display at The Museum of Flight, Boeing Field, Seattle, Washington.
© 2020, Bryan R. Swopesby