SEQ 001
COST INDEX
Cost index for long range cruise Mach depends on the actual gross weight and the flight level and wind. It can be approximated by the following graphs (no wind, ISA) :

A319/A320/A321
ovilm.i.
IN FLIGHT PERFORMANCE
REV 27
4. 12

SEQ 170
ALL ENGINES

DESCENT - M.78/300KT/250KT
IDLE THRUST
NORMAL AIR CONDITIONING ANTI-ICING OFF
ISA
CG=33.0%
MAXIMUM CABIN RATE OF DESCENT 350FT/MIN
WEIGHT
(1000KG)
45
65
IAS
(KT)
FL
TIME
(MIN)
FUEL
(KG)
DIST.
(NM)
N1
TIME
(MIN)
FUEL
(KG)
DIST.
(NM)
N1

390
16.1
204
101
68.8
17.4
165
106
IDLE
241
370
14.6
174
89
69.9
16.7
160
100
IDLE
252
350
12.9
134
77
72.1
16.0
156
95
IDLE
264
330
12.0
119
70
IDLE
15.4
153
91
IDLE
277
310
11.6
117
67
IDLE
14.8
149
86
IDLE
289
290
11.1
114
64
IDLE
14.2
145
82
IDLE
300
270
10.6
110
59
IDLE
13.4
141
76
IDLE
300
250
10.0
107
55
IDLE
12.7
136
71
IDLE
300
240
9.7
105
53
IDLE
12.3
133
68
IDLE
300
220
9.1
100
49
IDLE
11.5
127
62
IDLE
300
200
8.5
94
45
IDLE
10.6
119
56
IDLE
300
180
7.8
86
40
IDLE
9.8
109
51
IDLE
300
160
7.1
78
36
IDLE
8.8
97
45
IDLE
300
140
6.3
67
31
IDLE
7.9
83
39
IDLE
300
120
5.6
57
27
IDLE
6.9
70
33
IDLE
300
100
4.9
48
23
IDLE
6.0
58
28
IDLE
300
50
1.7
15
7
IDLE
2.1
18
9
IDLE
250
15
.0
0
0
IDLE
.0
0
0
IDLE
250
CORRECTIONS
LOW AIR
CONDITIONING
ENGINE
ANTI ICE ON
TOTAL
ANTI ICE ON
PER 1° ABOVE ISA
TIME

+ 6 %
+ 6 %

FUEL
- 2 %
+ 28 %
+ 44 %
+ 0.2 %
DISTANCE

+ 3 %
+ 4 %
+ 0.3 %11.0-08F0A320-214 CFM56-584/P SA23100000C5KG330 0 018590 0 0-1-350.0 15.0 .00 0 03 .780300.000250.000 0 FCOM NO 03 05 30 002 170

A319/A320/A321
0ccanTril.,,
IN FLIGHT PERFORMANCE
REV 24
4. ii

SEQ 001
COST INDEX
Cost index for long range cruise Mach depends on the actual gross weight and the flight level and wind. It can be approximated by the following graphs (no wind, ISA) :

A319/A320/A321
ovilm.i.
IN FLIGHT PERFORMANCE
REV 30
4. 12

SEQ 180
ALL ENGINES

DESCENT - M.78/300KT/250KT
IDLE THRUST
NORMAL AIR CONDITIONING ANTI-ICING OFF
ISA
CG=33.0%
MAXIMUM CABIN RATE OF DESCENT 350FT/MIN
WEIGHT
(1000KG)
45
65
IAS
(KT)
FL
TIME
(MIN)
FUEL
(KG)
DIST.
(NM)
N1
TIME
(MIN)
FUEL
(KG)
DIST.
(NM)
N1

390
16.1
200
101
68.2
17.6
167
107
IDLE
241
370
14.6
171
89
69.4
16.9
162
102
IDLE
252
350
12.9
132
77
71.5
16.2
158
97
IDLE
264
330
12.1
120
71
IDLE
15.6
155
92
IDLE
277
310
11.7
118
68
IDLE
15.0
151
87
IDLE
289
290
11.2
115
64
IDLE
14.4
147
83
IDLE
300
270
10.6
111
60
IDLE
13.6
142
77
IDLE
300
250
10.0
107
56
IDLE
12.8
137
71
IDLE
300
240
9.8
106
53
IDLE
12.4
135
69
　
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