| Most Used Uplink Msg Elements - Jan10 to Mar12 | Msg# | Total | % Used |
| AT [position] CONTACT [unit] [frequency] | 118 | 32671 | 21.711 |
| REPORT LEVEL [level] | 129 | 18710 | 12.434 |
| CLIMB TO AND MAINTAIN [level] | 20 | 16916 | 11.242 |
| AT [position] MONITOR [unit] [frequency] | 121 | 15785 | 10.490 |
| [free text] | 169 | 14597 | 9.700 |
| REPORT BACK ON ROUTE | 127 | 13564 | 9.014 |
| CLEARED TO DEVIATE UP TO [distance] [direction] OF ROUTE | 82 | 13149 | 8.738 |
| REQUEST POSITION REPORT | 147 | 5521 | 3.669 |
| MAINTAIN BLOCK [level] TO [level] | 30 | 5132 | 3.410 |
| SQUAWK [code] | 123 | 4255 | 2.828 |
| MAINTAIN [level] | 19 | 2015 | 1.339 |
| UNABLE | 0 | 1290 | 0.857 |
| DUE TO TRAFFIC | 166 | 1202 | 0.799 |
| DESCEND TO AND MAINTAIN [level] | 23 | 767 | 0.510 |
| CLIMB TO REACH [level] BY [time] | 26 | 758 | 0.504 |
| AT [position] CLEARED [routeclearance] | 83 | 568 | 0.377 |
| REPORT REACHING BLOCK [level] TO [level] | 180 | 471 | 0.313 |
| CLIMB TO AND MAINTAIN BLOCK [level] TO [level] | 31 | 426 | 0.283 |
| STANDBY | 1 | 402 | 0.267 |
| PROCEED DIRECT TO [position] | 74 | 354 | 0.235 |
| WHEN CAN YOU ACCEPT [level] | 148 | 246 | 0.163 |
| AT [time] DESCEND TO AND MAINTAIN [level] | 24 | 207 | 0.138 |
| AT [time] CLIMB TO AND MAINTAIN [level] | 21 | 163 | 0.108 |
| AT [time] PROCEED DIRECT TO [position] | 76 | 146 | 0.097 |
| ROGER | 3 | 114 | 0.076 |
| AT [position] PROCEED DIRECT TO [position] | 77 | 91 | 0.060 |
| DESCEND TO REACH [level] BY [time] | 28 | 90 | 0.060 |
| REJOIN ROUTE BY [position] | 68 | 88 | 0.058 |
| CLEARED [routeclearance] | 80 | 86 | 0.057 |
| MONITOR [unit] [frequency] | 120 | 73 | 0.049 |
| WHEN READY | 164 | 64 | 0.043 |
| CLIMB TO REACH [level] BY [position] | 27 | 60 | 0.040 |
| MAINTAIN [speed] | 106 | 58 | 0.039 |
| RESUME NORMAL SPEED | 116 | 49 | 0.033 |
| DESCEND TO REACH [level] BY [position] | 29 | 43 | 0.029 |
| CONFIRM NEXT WAYPOINT ETA | 141 | 37 | 0.025 |
| REQUEST DEFERRED | 2 | 36 | 0.024 |
| CONTACT [unit] [frequency] | 117 | 31 | 0.021 |
| MAINTAIN [speed] OR GREATER | 108 | 27 | 0.018 |
| REPORT REACHING [level] | 175 | 21 | 0.014 |
| AT [time] CONTACT [unit] [frequency] | 119 | 21 | 0.014 |
| DESCEND TO AND MAINTAIN BLOCK [level] TO [level] | 32 | 20 | 0.013 |
| AT [position] CLIMB TO AND MAINTAIN [level] | 22 | 19 | 0.013 |
| CAN YOU ACCEPT [level] AT [time] | 150 | 17 | 0.011 |
| CONFIRM SPEED | 134 | 16 | 0.011 |
| AFFIRM | 4 | 15 | 0.010 |
| AT [position] DESCEND TO AND MAINTAIN [level] | 25 | 14 | 0.009 |
| MAINTAIN [speed] OR LESS | 109 | 10 | 0.007 |
| REJOIN ROUTE BY [time] | 69 | 9 | 0.006 |
| CONFIRM ASSIGNED ROUTE | 137 | 7 | 0.005 |
| NEGATIVE | 5 | 6 | 0.004 |
| CONFIRM ENSUING WAYPOINT | 142 | 6 | 0.004 |
| CONFIRM LEVEL | 133 | 4 | 0.003 |
| CONFIRM NEXT WAYPOINT | 140 | 4 | 0.003 |
| CLEARED [procedure name] | 81 | 3 | 0.002 |
| CROSS [position] AT OR AFTER [time] | 53 | 3 | 0.002 |
| INCREASE SPEED TO [speed] | 111 | 3 | 0.002 |
| AT PILOTS DISCRETION | 177 | 3 | 0.002 |
| OFFSET [distance] [direction] OF ROUTE | 64 | 2 | 0.001 |
| REPORT LEAVING [level] | 128 | 2 | 0.001 |
| REDUCE SPEED TO [speed] | 113 | 2 | 0.001 |
| CLEARED TO [position] VIA [routeclearance] | 79 | 2 | 0.001 |
| CROSS [position] AT OR BEFORE [time] | 52 | 1 | 0.001 |
| [predepartureclearance] | 73 | 1 | 0.001 |
| CAN YOU ACCEPT [level] AT [position] | 149 | 1 | 0.001 |
| EXPECT CLIMB AT [time] | 7 | 1 | 0.001 |
| AT [position] FLY HEADING [degrees] | 97 | 1 | 0.001 |
| REPORT POSITION | 132 | 1 | 0.001 |
| DISREGARD | 168 | 1 | 0.001 |
| CROSS [position] AT [time] | 51 | 0 | 0.000 |
| AT [position] CLEARED [procedure name] | 84 | 0 | 0.000 |
| IMMEDIATELY CLIMB TO [level] | 38 | 0 | 0.000 |
| AT [position] OFFSET [distance] [direction] OF ROUTE | 65 | 0 | 0.000 |
| PROCEED BACK ON ROUTE | 67 | 0 | 0.000 |
| DUE TO AIRSPACE RESTRICTION | 167 | 0 | 0.000 |
| REPORT PASSING [position] | 130 | 0 | 0.000 |
| AT [time] MONITOR [unit] [frequency] | 122 | 0 | 0.000 |
| STOP SQUAWK | 124 | 0 | 0.000 |
| CLIMB AT [vertical rate] MAXIMUM | 172 | 0 | 0.000 |
| WHEN ABLE PROCEED DIRECT TO [position] | 75 | 0 | 0.000 |
| AT [level] PROCEED DIRECT TO [position] | 78 | 0 | 0.000 |
| [free text urgent] | 170 | 0 | 0.000 |
| EXPECT BACK ON ROUTE BY [position] | 70 | 0 | 0.000 |
| MAINTAIN PRESENT SPEED | 107 | 0 | 0.000 |
| MAINTAIN [speed] TO [speed] | 110 | 0 | 0.000 |
| CONFIRM ASSIGNED LEVEL | 135 | 0 | 0.000 |
| CONFIRM TIME OVER REPORTED WAYPOINT | 138 | 0 | 0.000 |
| CONFIRM ATIS CODE | 182 | 0 | 0.000 |
| EXPECT [level] | 6 | 0 | 0.000 |
| EXPECT CLIMB AT [position] | 8 | 0 | 0.000 |
| EXPECT DESCENT AT [time] | 9 | 0 | 0.000 |
| EXPECT DESCENT AT [position] | 10 | 0 | 0.000 |
| EXPECT CRUISE CLIMB AT [time] | 11 | 0 | 0.000 |
| EXPECT CRUISE CLIMB AT [position] | 12 | 0 | 0.000 |
| AT [time] EXPECT CLIMB TO [level] | 13 | 0 | 0.000 |
| AT [position] EXPECT CLIMB TO [level] | 14 | 0 | 0.000 |
| AT [time] EXPECT DESCENT TO [level] | 15 | 0 | 0.000 |
| AT [position] EXPECT DESCENT TO [level] | 16 | 0 | 0.000 |
| AT [time] EXPECT CRUISE CLIMB TO [level] | 17 | 0 | 0.000 |
| AT [position] EXPECT CRUISE CLIMB TO [level] | 18 | 0 | 0.000 |
| CRUISE CLIMB TO [level] | 34 | 0 | 0.000 |
| CRUISE CLIMB ABOVE [level] | 35 | 0 | 0.000 |
| EXPEDITE CLIMB TO [level] | 36 | 0 | 0.000 |
| EXPEDITE DESCENT TO [level] | 37 | 0 | 0.000 |
| IMMEDIATELY DESCEND TO [level] | 39 | 0 | 0.000 |
| IMMEDIATELY STOP CLIMB AT [level] | 40 | 0 | 0.000 |
| IMMEDIATELY STOP DESCENT AT [level] | 41 | 0 | 0.000 |
| EXPECT TO CROSS [position] AT [level] | 42 | 0 | 0.000 |
| EXPECT TO CROSS [position] AT OR ABOVE [level] | 43 | 0 | 0.000 |
| EXPECT TO CROSS [position] AT OR BELOW [level] | 44 | 0 | 0.000 |
| EXPECT TO CROSS [position] AT AND MAINTAIN [level] | 45 | 0 | 0.000 |
| CROSS [position] AT [level] | 46 | 0 | 0.000 |
| CROSS [position] AT OR ABOVE [level] | 47 | 0 | 0.000 |
| CROSS [position] AT OR BELOW [level] | 48 | 0 | 0.000 |
| CROSS [position] AT AND MAINTAIN [level] | 49 | 0 | 0.000 |
| CROSS [position] BETWEEN [level] AND [level] | 50 | 0 | 0.000 |
| CROSS [position] BETWEEN [time] AND [time] | 54 | 0 | 0.000 |
| CROSS [position] AT [speed] | 55 | 0 | 0.000 |
| CROSS [position] AT OR LESS THAN [speed] | 56 | 0 | 0.000 |
| CROSS [position] AT OR GREATER THAN [speed] | 57 | 0 | 0.000 |
| CROSS [position] AT [time] AT [level] | 58 | 0 | 0.000 |
| CROSS [position] AT OR BEFORE [time] AT [level] | 59 | 0 | 0.000 |
| CROSS [position] AT OR AFTER [time] AT [level] | 60 | 0 | 0.000 |
| CROSS [position] AT AND MAINTAIN [level] AT [speed] | 61 | 0 | 0.000 |
| AT [time] CROSS [position] AT AND MAINTAIN [level] | 62 | 0 | 0.000 |
| AT [time] CROSS [position] AT AND MAINTAIN [level] AT [speed] | 63 | 0 | 0.000 |
| AT [time] OFFSET [distance] [direction] OF ROUTE | 66 | 0 | 0.000 |
| EXPECT BACK ON ROUTE BY [time] | 71 | 0 | 0.000 |
| RESUME OWN NAVIGATION | 72 | 0 | 0.000 |
| EXPECT [routeclearance] | 85 | 0 | 0.000 |
| AT [position] EXPECT [routeclearance] | 86 | 0 | 0.000 |
| EXPECT DIRECT TO [position] | 87 | 0 | 0.000 |
| AT [position] EXPECT DIRECT TO [position] | 88 | 0 | 0.000 |
| AT [time] EXPECT DIRECT TO [position] | 89 | 0 | 0.000 |
| AT [level] EXPECT DIRECT TO [position] | 90 | 0 | 0.000 |
| HOLD AT [position] MAINTAIN [level] INBOUND TRACK [deg] [dir] | 91 | 0 | 0.000 |
| HOLD AT [position] AS PUBLISHED MAINTAIN [level] | 92 | 0 | 0.000 |
| EXPECT FURTHER CLEARANCE AT [time] | 93 | 0 | 0.000 |
| TURN [direction] HEADING [degrees] | 94 | 0 | 0.000 |
| TURN [direction] GROUND TRACK [degrees] | 95 | 0 | 0.000 |
| CONTINUE PRESENT HEADING | 96 | 0 | 0.000 |
| IMMEDIATELY TURN [direction] HEADING [degrees] | 98 | 0 | 0.000 |
| EXPECT [procedure name] | 99 | 0 | 0.000 |
| AT [time] EXPECT [speed] | 100 | 0 | 0.000 |
| AT [position] EXPECT [speed] | 101 | 0 | 0.000 |
| AT [level] EXPECT [speed] | 102 | 0 | 0.000 |
| AT [time] EXPECT [speed] TO [speed] | 103 | 0 | 0.000 |
| AT [position] EXPECT [speed] TO [speed] | 104 | 0 | 0.000 |
| AT [level] EXPECT [speed] TO [speed] | 105 | 0 | 0.000 |
| INCREASE SPEED TO [speed] OR GREATER | 112 | 0 | 0.000 |
| REDUCE SPEED TO [speed] OR LESS | 114 | 0 | 0.000 |
| DO NOT EXCEED [speed] | 115 | 0 | 0.000 |
| SQUAWK MODE CHARLIE | 125 | 0 | 0.000 |
| STOP SQUAWK MODE CHARLIE | 126 | 0 | 0.000 |
| REPORT REMAINING FUEL AND PERSONS ON BOARD | 131 | 0 | 0.000 |
| CONFIRM ASSIGNED SPEED | 136 | 0 | 0.000 |
| CONFIRM REPORTED WAYPOINT | 139 | 0 | 0.000 |
| CONFIRM REQUEST | 143 | 0 | 0.000 |
| CONFIRM SQUAWK | 144 | 0 | 0.000 |
| REPORT HEADING | 145 | 0 | 0.000 |
| REPORT GROUND TRACK | 146 | 0 | 0.000 |
| WHEN CAN YOU ACCEPT [speed] | 151 | 0 | 0.000 |
| WHEN CAN YOU ACCEPT [distanceoffset] [direction] OFFSET | 152 | 0 | 0.000 |
| ALTIMETER [altimeter] | 153 | 0 | 0.000 |
| RADAR SERVICES TERMINATED | 154 | 0 | 0.000 |
| RADAR CONTACT [position] | 155 | 0 | 0.000 |
| RADAR CONTACT LOST | 156 | 0 | 0.000 |
| CHECK STUCK MICROPHONE | 157 | 0 | 0.000 |
| ATIS [atis code] | 158 | 0 | 0.000 |
| THEN | 165 | 0 | 0.000 |
| CLIMB AT [vertical rate] MINIMUM | 171 | 0 | 0.000 |
| DESCEND AT [vertical rate] MINIMUM | 173 | 0 | 0.000 |
| DESCEND AT [vertical rate] MAXIMUM | 174 | 0 | 0.000 |
| MAINTAIN OWN SEPARATION AND VMC | 176 | 0 | 0.000 |
| SQUAWK IDENT | 179 | 0 | 0.000 |
| REPORT DISTANCE [to/from] [position] | 181 | 0 | 0.000 |
| Totals | Totals | 150478 | 100.000 |