262
14 CFR Ch. I (1–1–19 Edition)
Pt. 121, App. C
per minute (1,700 brake horsepower). Max-
imum continuous power in low blower (based
on a climb speed of 113 knots (TIAS)).
Weight (pounds)
Terrain
clearance
(feet)
1
Blower set-
ting
48,000 ............................................
5,850 Low.
47,000 ............................................
6,300 Do.
46,000 ............................................
6,700 Do.
45,000 ............................................
7,200 Do.
44,500 ............................................
7,450 Do.
44,250 ............................................
8,000 High.
44,000 ............................................
8,550 Do.
43,000 ............................................
10,800 Do.
42,000 ............................................
12,500 Do.
Weight (pounds)
Terrain
clearance
(feet)
1
Blower set-
ting
41,000 ............................................
13,000 Do.
1
Highest altitude of terrain over which airplanes may be op-
erated in compliance with § 121.201.
Ref. Fig. 2(b).
T
ABLE
3—L
ANDING
L
IMITATIONS
(a) Intended Destination.
Effective length
of runway required for in-
tended destination when effective length is
determined in accordance with § 121.171 with
zero wind and zero gradient.
(1) Curtiss model C–46 certificated for max-
imum weight of 45,000 pounds.
(0.60 factor)
Distance in feet
Standard altitude in feet
Airplane weight in pounds and approach speeds
1
in knots
40,000
V
50
42,000
V
50
44,000
V
50
45,000
V
50
S.L .........................................................................................
4,320 86 4,500 88 4,700 90 4,800 91
1,000 .....................................................................................
4,440 86 4,620 88 4,830 90 4,930 91
2,000 .....................................................................................
4,550 86 4,750 88 4,960 90 5,050 91
3,000 .....................................................................................
4,670 86 4,880 88 5,090 90 5,190 91
4,000 .....................................................................................
4,800 86 5,000 88 5,220 90 5,320 91
5,000 .....................................................................................
4,920 86 5,140 88 5,360 90 5,460 91
6,000 .....................................................................................
5,040 86 5,270 88 5,550 90 5,600 91
7,000 .....................................................................................
5,170 86 5,410 88 5,650 90 5,750 91
8,000 .....................................................................................
5,310 86 5,550 88 5,800 90 5,900 91
1
Steady approach speed through 50–foot height TIAS denoted by symbol
V
50
.
Ref. Fig. 3(a)(1).
(2) Curtiss model C–46 certificated for maximum weight of 48,000 pounds.
1
(0.60 factor.)
Distance in feet
Standard altitude in feet
Airplane weight in pounds and approach speeds
2
in knots
42,000
V
50
44,000
V
50
46,000
V
50
43,000
V
50
S.L .........................................................................................
3,370 80 3,490 82 3,620 84 3,740 86
1,000 .....................................................................................
3,460 80 3,580 82 3,710 84 3,830 86
2,000 .....................................................................................
3,540 80 3,670 82 3,800 84 3,920 86
3,000 .....................................................................................
3,630 80 3,760 82 3,890 84 4,020 86
4,000 .....................................................................................
3,720 80 3,850 82 3,980 84 4,110 86
5,000 .....................................................................................
3,800 80 3,940 82 4,080 84 4,220 86
6,000 .....................................................................................
3,890 80 4,040 82 4,180 84 4,320 86
7,000 .....................................................................................
3,980 80 4,140 82 4,280 84 4,440 86
8,000 .....................................................................................
4,080 80 4,240 82 4,390 84 4,550 86
1
For use with Curtiss model C–46 airplanes when approved for this weight.
2
Steady approach speed through 50 height knots TIAS denoted by symbol
V
50
3.
Ref. Fig. 3(a)(2).
(b) Alternate Airports.
Effective length
of runway required when effective length is determined in accordance with
§ 121.171 with zero wind and zero gradient.
(1) Curtiss model C–46 certificated for maximum weight of 45,000 pounds.
(0.70 factor.)
Distance in feet
Standard altitude in feet
Airplane weight in pounds and approach speeds
1
in knots
40,000
V
50
42,000
V
50
44,000
V
50
45,000
V
50
S.L .........................................................................................
3,700 86 3,860 88 4,030 90 4,110 91
1,000 .....................................................................................
3,800 86 3,960 88 4,140 90 4,220 91
2,000 .....................................................................................
3,900 86 4,070 88 4,250 90 4,340 91
3,000 .....................................................................................
4,000 86 4,180 88 4,360 90 4,450 91
4,000 .....................................................................................
4,110 86 4,290 88 4,470 90 4,560 91
5,000 .....................................................................................
4,210 86 4,400 88 4,590 90 4,680 91
6,000 .....................................................................................
4,330 86 4,510 88 4,710 90 4,800 91
7,000 .....................................................................................
4,430 86 4,630 88 4,840 90 4,930 91
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