AIP

ESPAÑA

GEN 2.6

07-AUG-25

CONVERSION OF UNITS OF MEASUREMENT

CONVERSION TABLES.

DISTANCE metres nautical miles 1 m = 0.000539 NM
nautical miles metres 1 NM = 1852 m
kilometres nautical miles 1 km= 0.540 NM
nautical miles kilometres 1 NM = 1.852 km
metres feet 1 m = 3.2808 ft
feet metres 1 ft = 0.3048 m
TEMPERATURE Celsius Fahrenheit t°F = (t°C x 1.8) + 32
Fahrenheit Celsius t°C = (t°F -32)/1.8
TIME hour minutes and seconds 1 HR = 60 min = 3600 s
minutes and seconds hour 1 s = 0.01667 min = 0.0002778 HR
HORIZONTAL SPEED metres / second knots 1 m/s = 1.9438 kt
knots metres / second 1 kt = 0.514444 m/s
VERTICAL SPEED metres / second feet / minutos 1 m/s = 196.85 ft/min
feet / minuto metres / second 1 ft/min = 0.00508 m/s
PLANE ANGLE arc second arc minute 1” = 0.01667’
arc minute arc second 1’ = 60”

For more information, consult ICAO Annex 5 (Unit of measurement to be used in air and ground operations).

DME/TACAN CHANNEL CONVERSION TABLES

A) CHANNEL X - DME/TACAN CONVERSION

  • DME/TACAN channel from 17 to 59, both inclusive: add to DME/TACAN channel (divided by 10) 106.3.
  • DME/TACAN channel from 70 to 126, both inclusive: add to DME/TACAN channel (divided by 10) 105.3.
MHZ .00 .10 .20 .30 .40 .50 .60 .70 .80 .90
108 17 18 19 20 21 22 23 24 25 26
109 27 28 29 30 31 32 33 34 35 36
110 37 38 39 40 41 42 43 44 45 46
111 47 48 49 50 51 52 53 54 55 56
112 57 58 59 70 71 72 73 74 75 76
113 77 78 79 80 81 82 83 84 85 86
114 87 88 89 90 91 92 93 94 95 96
115 97 98 99 100 101 102 103 104 105 106
116 107 108 109 110 111 112 113 114 115 116
117 117 118 119 120 121 122 123 124 125 126

B) CHANNEL Y - DME/TACAN CONVERSION

  • DME/TACAN channel from 17 to 59, both inclusive: add to DME/TACAN channel (divided by 10) 106.35.
  • DME/TACAN channel from 70 to 126, both inclusive: add to DME/TACAN channel (divided by 10) 105.35.
MHZ .05 .15 .25 .35 .45 .55 .65 .75 .85 .95
108 17 18 19 20 21 22 23 24 25 26
109 27 28 29 30 31 32 33 34 35 36
110 37 38 39 40 41 42 43 44 45 46
111 47 48 49 50 51 52 53 54 55 56
112 57 58 59 70 71 72 73 74 75 76
113 77 78 79 80 81 82 83 84 85 86
114 87 88 89 90 91 92 93 94 95 96
115 97 98 99 100 101 102 103 104 105 106
116 107 108 109 110 111 112 113 114 115 116
117 117 118 119 120 121 122 123 124 125 126