Federal Aviation Administration, DOT Pt. 121, App. C Distance in feet Airplane weight in pounds and approach speeds 1 in knots Standard altitude in feet 40,000 8,000 ..................................................................................... 4,550 V50 86 42,000 4,750 V50 88 44,000 4,970 V50 45,000 90 5,060 V50 91 1 Steady approach speed through 50 foot-height-knots TIAS denoted by symbol V50. Ref. Fig. 3(b)(1). (2) Curtiss model C-46 certificated for maximum weight of 48,000 pounds. 1 (0.70 factor.) Distance in feet Airplane weight in pounds and approach speeds 2 in knots Standard altitude in feet 42,000 S.L ......................................................................................... 1,000 ..................................................................................... 2,000 ..................................................................................... 3,000 ..................................................................................... 4,000 ..................................................................................... 5,000 ..................................................................................... 6,000 ..................................................................................... 7,000 ..................................................................................... 8,000 ..................................................................................... 2,890 2,960 3,040 3,110 3,180 3,260 3,330 3,420 3,500 V50 80 80 80 80 80 80 80 80 80 44,000 3,000 3,070 3,150 3,220 3,300 3,380 3,460 3,540 3,630 V50 82 82 82 82 82 82 82 82 82 46,000 3,110 3,180 3,260 3,340 3,410 3,500 3,580 3,670 3,760 V50 48,000 84 84 84 84 84 84 84 84 84 3,220 3,280 3,360 3,440 3,520 3,610 3,700 3,800 3,900 V50 86 86 86 86 86 86 86 86 86 1 For use with Curtiss model C-46 airplanes when approved for this weight. approach speed through 50 foot-height-knots TIAS denoted by symbol V50. Ref. Fig. 3(b)(2). 2 Steady (c) Actual length of runway required when effective length, considering obstacles, is not determined in accordance with Section 121.171. (1) Curtiss model C-46 certificated for maximum weight of 45,000 pounds. (0.55 factor.) Distance in feet Airplane weight in pounds and approach speeds 1 in knots Standard altitude in feet 40,000 S.L ......................................................................................... 1,000 ..................................................................................... 2,000 ..................................................................................... 3,000 ..................................................................................... 4,000 ..................................................................................... 5,000 ..................................................................................... 6,000 ..................................................................................... 7,000 ..................................................................................... 8,000 ..................................................................................... 4,710 4,840 4,960 5,090 5,230 5,360 5,500 5,640 5,790 V50 86 86 86 86 86 86 86 86 86 42,000 4,910 5,050 5,180 5,320 5,460 5,600 5,740 5,900 6,050 V50 88 88 88 88 88 88 88 88 88 44,000 5,130 5,270 5,410 5,550 5,700 5,850 6,000 6,170 6,340 V50 45,000 90 90 90 90 90 90 90 90 90 5,230 5,370 5,510 5,660 5,810 5,960 6,110 6,280 6,450 V50 91 91 91 91 91 91 91 91 91 1 Steady approach speed through 50 foot-height-knots TIAS denoted by symbol V50. Ref. Fig. 3(c)(1). (2) Curtiss C-46 certificated for maximum weight of 48,000 pounds. 1 (0.55 factor.) Distance in feet Airplane weight in pounds and approach speeds 2 in knots Standard altitude in feet 42,000 S.L ......................................................................................... 1,000 ..................................................................................... 2,000 ..................................................................................... 3,000 ..................................................................................... 4,000 ..................................................................................... 5,000 ..................................................................................... 6,000 ..................................................................................... 7,000 ..................................................................................... 8,000 ..................................................................................... 3,680 3,770 3,860 3,960 4,050 4,150 4,240 4,350 4,450 V50 80 80 80 80 80 80 80 80 80 44,000 3,820 3,910 4,000 4,090 4,190 4,290 4,400 4,510 4,620 V50 82 82 82 82 82 82 82 82 82 46,000 3,960 4,050 4,140 4,240 4,340 4,450 4,560 4,670 4,790 V50 48,000 84 84 84 84 84 84 84 84 84 1 For use with Curtiss model C-46 airplanes when approved for this weight. approach speed through 50 foot-height-knots TIAS denoted by symbol V50. Ref. Fig. 3(c)(2). 2 Steady 263 VerDate Sep<11>2014 08:20 May 17, 2019 Jkt 247048 PO 00000 Frm 00273 Fmt 8010 Sfmt 8002 Y:\SGML\247048.XXX 247048 4,090 4,180 4,280 4,380 4,490 4,600 4,710 4,840 4,960 V50 86 86 86 86 86 86 86 86 86