| Most Used Downlink Msg Elements Jan10 to Mar12 | Msg# | Total | % Used |
| WILCO | 0 | 94588 | 39.541 |
| POSITION REPORT [positionreport] | 48 | 48663 | 20.343 |
| LEVEL [level] | 37 | 17899 | 7.482 |
| REQUEST CLIMB TO [level] | 9 | 17158 | 7.173 |
| REQUEST WEATHER DEVIATION UP TO [distance][direction] OF ROUTE | 27 | 12921 | 5.401 |
| BACK ON ROUTE | 41 | 9722 | 4.064 |
| ROGER | 3 | 7633 | 3.191 |
| [freetext] | 67 | 7409 | 3.097 |
| CLIMBING TO [level] | 29 | 5984 | 2.502 |
| REQUEST BLOCK [level] TO [level] | 7 | 5056 | 2.114 |
| DEVIATING [distance] [direction] OF ROUTE | 80 | 3863 | 1.615 |
| DUE TO AIRCRAFT PERFORMANCE | 66 | 1911 | 0.799 |
| REQUEST [level] | 6 | 1814 | 0.758 |
| DUE TO WEATHER | 65 | 1690 | 0.706 |
| REQUEST DESCENT TO [level] | 10 | 629 | 0.263 |
| REQUEST DIRECT TO [position] | 22 | 618 | 0.258 |
| REACHING BLOCK [level] TO [level] | 76 | 432 | 0.181 |
| REQUEST OFFSET [distance] [direction] OF ROUTE | 15 | 257 | 0.107 |
| STANDBY | 2 | 163 | 0.068 |
| UNABLE | 1 | 138 | 0.058 |
| REQUEST VOICE CONTACT | 20 | 97 | 0.041 |
| REQUEST [speed] | 18 | 71 | 0.030 |
| REQUEST [routeclearance] | 24 | 67 | 0.028 |
| REQUEST CLEARANCE | 25 | 61 | 0.025 |
| WHEN CAN WE EXPECT HIGHER ALTITUDE | 53 | 41 | 0.017 |
| AT PILOTS DISCRETION | 75 | 37 | 0.015 |
| REQUEST CRUISE CLIMB TO [level] | 8 | 35 | 0.015 |
| DESCENDING TO [level] | 30 | 27 | 0.011 |
| NEXT WAYPOINT ETA [time] | 43 | 27 | 0.011 |
| AT [position] REQUEST CLIMB TO [level] | 11 | 24 | 0.010 |
| AT [time] REQUEST CLIMB TO [level] | 13 | 23 | 0.010 |
| REACHING [level] | 72 | 21 | 0.009 |
| AFFIRM | 4 | 16 | 0.007 |
| PRESENT SPEED [speed] | 34 | 16 | 0.007 |
| ASSIGNED ROUTE [routeclearance] | 40 | 15 | 0.006 |
| WHEN CAN WE EXPECT BACK ON ROUTE | 51 | 11 | 0.005 |
| AT [position] REQUEST DESCENT TO [level] | 12 | 10 | 0.004 |
| REQUEST [procedurename] | 23 | 9 | 0.004 |
| REQUEST VOICE CONTACT [frequency] | 21 | 8 | 0.003 |
| WHEN CAN WE EXPECT CRUISE CLIMB TO [level] | 54 | 6 | 0.003 |
| REQUEST HEADING [degrees] | 70 | 6 | 0.003 |
| ENSUING WAYPOINT [position] | 44 | 6 | 0.003 |
| PRESENT LEVEL [level] | 32 | 4 | 0.002 |
| NEXT WAYPOINT [position] | 42 | 4 | 0.002 |
| AT [position] REQUEST OFFSET [distance] [direction] OF ROUTE | 16 | 4 | 0.002 |
| AT [time] REQUEST OFFSET [distance] [direction] OF ROUTE | 17 | 4 | 0.002 |
| AT [time] REQUEST DESCENT TO [level] | 14 | 3 | 0.001 |
| WHEN CAN WE EXPECT LOWER ALTITUDE | 52 | 3 | 0.001 |
| LEAVING [level] | 28 | 3 | 0.001 |
| NEGATIVE | 5 | 2 | 0.001 |
| PAN PAN PAN | 55 | 2 | 0.001 |
| [freetext] | 68 | 2 | 0.001 |
| WHEN CAN WE EXPECT [speed] | 49 | 1 | 0.000 |
| DIVERTING TO [position] VIA [routeclearance] | 59 | 1 | 0.000 |
| MAYDAY MAYDAY MAYDAY | 56 | 1 | 0.000 |
| REQUEST [speed] TO [speed] | 19 | 0 | 0.000 |
| REQUEST WEATHER DEVIATION TO [position] VIA [routeclearance] | 26 | 0 | 0.000 |
| PASSING [position] | 31 | 0 | 0.000 |
| PRESENT POSITION [position] | 33 | 0 | 0.000 |
| PRESENT HEADING [degrees] | 35 | 0 | 0.000 |
| PRESENT GROUND TRACK [degrees] | 36 | 0 | 0.000 |
| ASSIGNED LEVEL [level] | 38 | 0 | 0.000 |
| ASSIGNED SPEED [speed] | 39 | 0 | 0.000 |
| REPORTED WAYPOINT [position] | 45 | 0 | 0.000 |
| REPORTED WAYPOINT [time] | 46 | 0 | 0.000 |
| SQUAWKING [beaconcode] | 47 | 0 | 0.000 |
| WHEN CAN WE EXPECT [speed] TO [speed] | 50 | 0 | 0.000 |
| [remainingfuel] OF FUEL AND [remainingsouls] SOULS ON BOARD | 57 | 0 | 0.000 |
| CANCEL EMERGENCY | 58 | 0 | 0.000 |
| OFFSETTING [distance][direction] OF ROUTE | 60 | 0 | 0.000 |
| DESCENDING TO [level] | 61 | 0 | 0.000 |
| REQUEST VMC DESCENT | 69 | 0 | 0.000 |
| REQUEST GROUND TRACK [degrees] | 71 | 0 | 0.000 |
| MAINTAIN OWN SEPARATION AND VMC | 74 | 0 | 0.000 |
| ASSIGNED BLOCK [level] TO [level] | 77 | 0 | 0.000 |
| AT [time] [distance] [tofrom] [position] | 78 | 0 | 0.000 |
| ATIS [atiscode] | 79 | 0 | 0.000 |
| Totals | Totals | 239216 | 100.000 |