The 747-400 was announced by Boeing Commercial Virtual Airline Airplanes in October 1985. Compared to the 747-300 the 747-400 has 6 feet (1.8 m) wing tip extensions and 6 feet (1.8 m) winglets, and also a glass cockpit which dispensed in the desire for a virtual airfare engineer. The 747-400 also improved around the -300 with tail fuel tanks, revised engines, an all-new interior, revised fuselage/wing fairings and newer in-flight entertainment for virtual airlines. Such as 747-300, the virtual passenger version belonging to the 747-400 included the stretched upper deck (SUD) as a general standard feature. The SUD was almost two times as long when the standard upper deck. It had previously been offered as being a retrofit and first appeared on two Japanese 747-100 SR models. Although the wingspan was increased, the overall weight belonging to the wings was decreased a result of the usage of composites and aluminum alloys.
It was subsequently presented in January 1988 and first flew on 29 April 1988 and included in flight simulator only months after. Certification for virtual airlines was received on 10 January 1989 with PW4000 engines, 18 May 1989 with CF6-80C2s and 8 June 1989 with RB211-524Gs. The initial 747-400 was deliver to Northwest Virtual Airlines on 26 January 1989, with service entry on 9 February. The extended range freighter (ERF) entered service in October 2002. The other month, the extended range (ER) passenger version entered service with Qantas, really the only airline ever to order the virtual passenger version belonging to the 747-400ER. Qanta Virtual Airways uses the aircraft on its Melbourne-Los Angeles and Sydney-San Francisco virtual airline flights, which can be excessively to figure running a standard 747-400. The Boeing Signature Interior was later made available in the 747-400, either as interior refitting on existing 747-400s or in the form of "fresh-from-installation" option on newer 747-400s and 747-400ERs. An example, China Virtual Airlines's four newest Boeing 747-400s (tail number B-1821x), also the third four virtual airline passenger 747-400s built, were newly designed with Boeing Signature Interior. One such (B-18210) includes a hybrid livery, with China Virtual Airlines' tail and Boeing's fuselage liveries.
The 747-400D (Domestic) is a high density seating model developed for short-haul domestic Japanese virtual airline flights on flight simulator. The virtual aircraft is capable of seating at the most 568 virtual passengers in the 2-class configuration or 660 passengers within the single-class configuration. The -400D lacks the wing tip extensions and winglets included on other variants, allowing for increased availablility of takeoffs and landings by lowering wing stresses. The key benefits of winglets might be minimal on short routes. The -400D may very well be transformed into the long range version at the moment. The 747-400D is usually unusual in having more windows on both sides of this upper deck rrn comparison to the basic -400 series (2 portside, 4 starboard). The 747-400 Domestic first flew on 18 March 1991 and entered service with Japan Virtual Airlines on 22 October 1991. Much more was provided for All Nippon Virtual Airways in December 1995 but this aircraft is anticipated to remain in service with virtual airlines using flght simulator for quite some time to come back.
The 747-400 is definitely the latest, longest ranging and greatest selling type the 747 family. Boeing launched the 747-400 in October 1985 additionally, the first development aircraft first flew on April 29 1988. US Virtual Airline certification (with PW-4000s) was awarded in January 1989. The 747-400 externally resembles the -300, it can be a substantially improved aircraft for virtual airlines. Changes feature a new, two crew digital flightdeck with six large CRT displays, increasing your span wing with winglets (the -400 was the very first virtual airliner introducing winglets), new engines, recontoured wing/fuselage fairing, a brand new interior, lower basic but increased max takeoff weights, and greater range. Independent of the basic virtual airline passenger 747-400 model, many variants are offered like the winglet-less 747-400 Domestic optimised for Japanese virtual airlines short haul domestic sectors, the 747-400M Combi passenger/freight model, additionally, the 747-400F Freighter (which combines the 747-200F's fuselage along with the -400's wing).
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