The Boeing 747-8 Freighter abilities were demonstrated during a test flight and the conclusion is that this jet aircraft work as specialists were expected. To this test flight (14 March 2010(, the Boeing 747-8 Freighter was taken to an altitude of 30,000 feet (9,144 m) and a speed of Mach .65 and the pilots operates various dynamic maneuvers. The production of the first Boeing 747-8 Freighter began in August 2008.
The Boeing 747-8 is a commercial airliner using the same engine and cockpit technology as that of the 787. The largest-ever plane, officially announced in 2005, has lengthened fuselage, redesigned wings and improved efficiency.
As of 2009, the first 747-8 freighter will be delivered in the 4th quarter of 2010, with the passenger model programmed for 2011. In January 8, 2010, 108 Boeing 747-8 aircrafts were on order; 32 of the passenger version and 76 of the freighter version. On February 8, 2010, the 747-8 airplane flew for the first time.
The 747-400ERF is a cargo version that follows the standard -400ER. This aircraft was launched on April 30, 2001 on an order by leasing company ILFC for 5 and entered service in late 2002. The first -400ERF is the 1315th 747 built. The 747-400ER Freighter is considered the largest commercial cargo transport in service and represents an unbeatable combination of range, payload and speed. Having a maximum takeoff weight of 875,000 pounds (396,900 kg), the standard 747-400ER Freighter can carry 124 tons (113,000 kg) of cargo up to 4,450 nautical miles (8,240 km). Also this aircraft has a maximum takeoff weight of 910,000 pounds (412,770 kg) — permitting it to fly an additional 525 nautical miles (972 km).
This takeoff weight increase permits the airplane to fly an additional 525 nautical miles (972 km).
The Boeing 747ER, the extended Range version of the 747-400 has represents the Boeing answer to customers demand for a more competent 747-400 that has modern characteristics and is easy to integrate into existing fleets. The 747-400ER has also an increased takeoff weight of 910,000 pounds (412,770 kg). This takeoff weight increase of 35,000 pounds (15,876 kg) over existing 747-400s allows operators to fly about 410 nautical miles (760 km) farther or transporting to 15,000 pounds (6,800 kg) more payload, either in the form of extra cargo or a full load of 416 passengers.
The Boeing 747-400 is an improved version of the 747-300, the best selling model in the 747 family. The 747-400 is to be superseded by the Boeing 747-8 as the latest commercial model, which is programmed to begin deliveries in 2010.
The aircraft received certification on January 10, 1989 having Pratt & Whitney PW4000 engines, May 18, 1989 having General Electric CF6-80C2s and June 8, 1989 having Rolls-Royce RB211-524Gs. Boeing delivered the first 747-400 airplane in 1989 to Northwest Airlines.