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Aviation History
1995
1995 - 3570.PDF
. J J J —• J S ZS ~~SJ J SJ —. J J ««SJS. Stretched 747 may be launched in 1996 747-400 The MTOW of the -400 has continued to edge upwards, with the introduction of mod est aerodynamic improvements and the use of slightly more powerful engines, but Boeing finally seems poised to stretch the 747's fuse lage for the first time since its introduction more than 25 years ago (see entry for -500X/600X). The -400 is the most successful 747 variant produced to date, with nearly 350 in service. Principal changes from earlier 747s include a 3.66m increase in wingspan, with the addition of winglets (except on the -400D). The -400 also introduced a two-man crew to the 747 series for the first time. Operating weights and range are increased, and fuel consump tion is significantly lower. The so-called 747-400 performance- improvement package has been adopted as standard, offering a 0.5% reduction in drag. This is achieved through the use of a re-pro filed dorsal fin, and by ensuring that the wing spoilers are held down more tightly during the cruise. The transfer of fuel from the hori- zontal-tailplane tank has been slowed down, to prolong trim drag alleviation. The package allows a gross-weight increase of 2.27t, yielding either 180km in additional range or a 1.6t higher payload. The 747-400F combines the short upper- deck of the -200F with the stronger and larg er wing of the -400. Empty weight has been reduced by 2,000kg, compared with the -200F, and the aircraft can carry a payload of 113t a distance of 8,150km. The -400F has the same MTOW as the passenger -400. The 747-400 was launched in July 1985, and first flown in April 1988. Ordered: 447 Delivered: 343 Dimensions Span(m) Length |m) Height (ml Landing Accomodation Weights gear Track (m) Seats Wheelbase (ml Pitch Turn radius (m) Abreast (kg) Ramp Take-off Landing Fuel (Stres) Standard Optional FAR field lengths take-off landing ISAsI ISAsI ISA+20Xsl ISA+20Csl ISA ISA 5,000ft 5,000ft Speeds M V2 VAT VNO (machl MNO Cruise performance Max cruise long range speed (kt) speed Iktj aK (ft) art (ft) Fuel cons Fuel cons (kg/h) (kg/hi Payload Max (kg] Range/M (km| Full tank (kg) Wing area Sweepl'l Hold vol Zero-fuel M Holds Ops empty Press dm" (bar) BA+20C ISA+20'C 5,000ft 5,000ft VNE MNE 747-100B 4 x 207kN GE Aircraft Engines CF645A2 turbofans 59.60 70.70 19.30 512.00 37.50 11.00 25.60 42.80 550 341.560 181.970 76cm 340.200 _ 10 255,830 175 238.820 3 169.420 0.60 3.050 3.250 3.810 1,890 1,890 2,130 2,130 747-200B 4 x 2445kN Pratt & Whitney JT9D-7R4G2 turbofans 59.60 70.70 19.30 512.00 37.50 11.00 25.60 42.80 550 379,210 198,380 76cm 377,850 204,350 10 255,830 175 238,820 3 170.400 0.60 3,190 1.890 3,610 1,890 2,130 2,130 177 141.00 375 507 484 35,000 35.000 0.92 12,990 10,700 747-200C 4 x 244kN Pratt & Whitney JT9D-7R4G2 turbofans Range with F (km) 169 507 484 69.400 141.00 35.000 35,000 8,200 375 0.92 12.880 10,660 24,170 13,020 68.630 11.000 43.110 13.690 59.60 70.70 19.30 512.00 37.50 747-200F 11.00 25.60 42.80 550 76cm 10 169 3 0.60 379.210 198.350 377.850 204,350 285.830 267.620 178.220 4 x 2445kN Pratt & Whitney JT9D-7R4G2 turbofans 59.60 70.70 19.30 512.00 37.50 747-300 11.00 25.60 42.80 171 3 0.60 379.210 198,350 377.850 204,350 285,770 267,620 155,130.00 4 x 2445kN Pratt & Whitney JT9D-7R4G2 turbofans 59.60 70.70 19.30 512.00 37.50 747-400 (1) 11.00 25.60 42.80 660 76cm 10 175 3 0.60 379,210 190,380 377,850 204,350 260,370 242,680 174,040 4 x 254kN Pratt & Whitney PW4056 turbofans 64.50 70.70 19.30 511.20 37.50 11.00 25.60 42.80 Maxpaytoadisfullpax 747-400 (2) 524 81cm 10 170.70 3 0.60 397.730 216.852 396.830 285,710 242,630 182,990 4 x 251kN GE Aircraft Engines CF&80C2-B1F turbofans 64.50 70.70 19.30 511.20 37.50 Max payload 747-400 (3) 11.00 25.60 42.80 s full pax 524 81cm 10 170.70 3 0.60 397.730 216,020 396,830 _ 285.710 242,630 182,720 4 x 264kN Rolls-Royce RB.211-524G/H turbofans 64.50 70.70 19.30 511.20 37.50 Max payload 11.00 25.60 42.80 s full pax 524 81cm 10 170.70 3 0.60 397,730 216.852 396,830 _ 285.710 242,630 183,720 3,190 3,610 3,190 3,610 3,190 3.610 3.310 3.600 4,390 3,340 3.640 4.480 3,320 3,725 2,100 2,100 2,380 2,380 2,100 2,100 2,380 2,380 1,920 1,920 2,160 2,160 2,073 2,073 2,410 2,410 2.073 2,073 2,410 2,410 2.073 2,073 2,410 2.410 177 152.00 375 - 177 152.00 375 - 177 141.00 375 _ - 185 153.00 365 545 - 185 153.00 365 545 - 185 153.00 365 545 - 0.92 - 0.92 - 0.92 _ - 0.92 0.92 - 0.92 0.92 - 0.92 0.92 - 507 35,000 12,990 507 35.000 12.990 507 35.000 12,110 507 35,000 11,370 507 35,000 11.330 507 35.000 11.230 484 35,000 10,700 484 35,000 10.700 490 35,000 10,930 496 35,000 9,950 496 35,000 9.960 496 35,000 9,840 92.310 8,220 37,850 13,770 112.490 8,220 58,030 13,720 68,630 10,500 39,120 13,590 40,000 13,490 40,000 13,440 > 40,000 13.220 64 FLIGHT INTERNATIONAL 6 - 12 December 1995
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