AviationWeek.com/awst AVIATION WEEK & SPACE TECHNOLOGY/NOVEMBER 3/10, 2014 67
Boeing 747 The 747 is an intercontinental widebody commercial transport aircraft powered by four turbofan
engines. First f ight and certif cation occurred in 1969. In February 2010, Boeing conducted the maiden f ight of
the 747-8 series, which includes the 747-8 Intercontinental passenger model and the 747-8 Freighter. Both are
equipped with General Electric GEnx engines rated at 66,500 lb. thrust each. The 747-8I is stretched 18 ft. com-
pared to the 747-400 to accommodate 467 seats in a three-class conf guration. The f rst 747-8F delivery, to launch
customer Cargolux, occurred in September 2011. Through 2013, Boeing delivered 64 747-8s and 1,418 747s of
earlier types, including 694-400s. Production of 72 747-8s is forecast for 2014-23. The 747’s primary competitor
is the Airbus A380.Boeing 767 A prototype of this twin-engine, widebody commercial transport aircraf t was rolled out in August
1981, with f rst f ight occurring the following month; through 2013, Boeing produced 1,110 767s. Only two civil
767 versions are in production: the extended-range 767-300ER passenger model and 767-300F freighter. The
767-300ER seats 218 passengers in a three-class layout or up to 350 in one class, and has a maximum range of
5,990 nm. The -300ER is available with a choice of GE CF6-80C2 or Pratt & Whitney PW4000 engines. The -300F is
powered by the CF6-80C2. Boeing’s new 787 will essentially replace the 767 in the company’s commercial airliner
product line. Exclusive of militarized models, production of approximately 65 767s is forecast for 2014-23.Boeing 777 The 777 is a twin-engine, widebody jetliner. First f ight occurred in June 1994, followed by certif ca-
tion in April 1995 for the Pratt & Whitney-powered version. Deliveries began in June 1995. The 777-200ER seats
301-440 passengers, and is powered by PW4000, Trent 800 or GE90 turbofans rated at 84,000-95,000 lb. thrust
each. Two newer versions are the 777-200LR and 777-300ER. The -200LR, which seats 301 passengers in three
classes, is powered by 110,100-lb.-thrust GE90-110B1 or 115,300-lb.-thrust GE90-115BL turbofans. The -300ER
seats 386 people in three classes, and is equipped with 115,300-lb.-thrust GE90-115B engines. A freighter vari-
ant, based on the -200LR, is also available. In November 2013, Boeing launched the 777X at the Dubai air show,
with 259 commitments from four customers. Production is scheduled to begin in 2017, with f rst delivery slated
for 2020. The 777X family includes the 777-8X, with seating for 350 passengers and a range of 9,300 nm. The
777-9X, which Boeing says will have the lowest operating cost per seat of any commercial airplane, will have a range
of 8,200 nm and seat more than 400 passengers. The GE Aviation GE9X turbofan will power both models. A unique
feature of the 777X will be folding wingtips, which will reduce the wingspan by about 20 ft. and allow the model to
use existing 777 gates. A total of 1,164 777s were produced through 2013, and production of another 968 is
forecast for 2014-23. The new Airbus A350 is the 777’s main competition.)HEUXDU\ 'XEDL:RUOG7UDGH&HQWUH 'XEDL8$(
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