| Most Used Downlink Msg Elements Jan00 to Mar12 | Msg# | TOTAL | %Used |
| WILCO | 0 | 1690792 | 36.355 |
| POSITION REPORT [positionreport] | 48 | 1164051 | 25.029 |
| REQUEST CLIMB TO [level] | 9 | 317089 | 6.818 |
| ASSIGNED BLOCK [level] TO [level] | 77 | 199781 | 4.296 |
| LEVEL [level] | 37 | 197508 | 4.247 |
| [freetext] | 67 | 174818 | 3.759 |
| ROGER | 3 | 167054 | 3.592 |
| CLIMBING TO [level] | 29 | 155224 | 3.338 |
| REQUEST WEATHER DEVIATION UP TO [distance][direction] OF ROUTE | 27 | 154435 | 3.321 |
| BACK ON ROUTE | 41 | 93119 | 2.002 |
| DUE TO AIRCRAFT PERFORMANCE | 66 | 52217 | 1.123 |
| REQUEST [level] | 6 | 48063 | 1.033 |
| REQUEST BLOCK [level] TO [level] | 7 | 39913 | 0.858 |
| REQUEST HEADING [degrees] | 70 | 27953 | 0.601 |
| DUE TO WEATHER | 65 | 25070 | 0.539 |
| DEVIATING [distance] [direction] OF ROUTE | 80 | 25000 | 0.538 |
| REQUEST VMC DESCENT | 69 | 11291 | 0.243 |
| REQUEST DIRECT TO [position] | 22 | 10629 | 0.229 |
| PRESENT SPEED [speed] | 34 | 9422 | 0.203 |
| REQUEST CRUISE CLIMB TO [level] | 8 | 8912 | 0.192 |
| REQUEST DESCENT TO [level] | 10 | 8882 | 0.191 |
| [freetext] | 68 | 7587 | 0.163 |
| AT [position] REQUEST CLIMB TO [level] | 11 | 6515 | 0.140 |
| REACHING [level] | 72 | 5796 | 0.125 |
| REQUEST OFFSET [distance] [direction] OF ROUTE | 15 | 5667 | 0.122 |
| STANDBY | 2 | 5434 | 0.117 |
| REACHING BLOCK [level] TO [level] | 76 | 4408 | 0.095 |
| WHEN CAN WE EXPECT HIGHER ALTITUDE | 53 | 3573 | 0.077 |
| UNABLE | 1 | 3127 | 0.067 |
| REQUEST [speed] | 18 | 2891 | 0.062 |
| AT PILOTS DISCRETION | 75 | 2811 | 0.060 |
| REQUEST CLEARANCE | 25 | 2593 | 0.056 |
| NEXT WAYPOINT ETA [time] | 43 | 2370 | 0.051 |
| REQUEST [routeclearance] | 24 | 2121 | 0.046 |
| REQUEST VOICE CONTACT | 20 | 1785 | 0.038 |
| AFFIRM | 4 | 1721 | 0.037 |
| ASSIGNED ROUTE [routeclearance] | 40 | 1642 | 0.035 |
| DESCENDING TO [level] | 30 | 1548 | 0.033 |
| AT [time] [distance] [tofrom] [position] | 78 | 1031 | 0.022 |
| AT [time] REQUEST CLIMB TO [level] | 13 | 940 | 0.020 |
| WHEN CAN WE EXPECT CRUISE CLIMB TO [level] | 54 | 870 | 0.019 |
| AT [position] REQUEST OFFSET [distance] [direction] OF ROUTE | 16 | 659 | 0.014 |
| WHEN CAN WE EXPECT BACK ON ROUTE | 51 | 627 | 0.013 |
| LEAVING [level] | 28 | 528 | 0.011 |
| PRESENT LEVEL [level] | 32 | 521 | 0.011 |
| NEGATIVE | 5 | 436 | 0.009 |
| ASSIGNED LEVEL [level] | 38 | 428 | 0.009 |
| ATIS [atiscode] | 79 | 264 | 0.006 |
| AT [position] REQUEST DESCENT TO [level] | 12 | 258 | 0.006 |
| REQUEST [procedurename] | 23 | 191 | 0.004 |
| NEXT WAYPOINT [position] | 42 | 158 | 0.003 |
| WHEN CAN WE EXPECT [speed] | 49 | 146 | 0.003 |
| ENSUING WAYPOINT [position] | 44 | 146 | 0.003 |
| PASSING [position] | 31 | 139 | 0.003 |
| WHEN CAN WE EXPECT LOWER ALTITUDE | 52 | 108 | 0.002 |
| REQUEST VOICE CONTACT [frequency] | 21 | 88 | 0.002 |
| MAINTAIN OWN SEPARATION AND VMC | 74 | 84 | 0.002 |
| AT [time] REQUEST OFFSET [distance] [direction] OF ROUTE | 17 | 72 | 0.002 |
| ASSIGNED SPEED [speed] | 39 | 43 | 0.001 |
| PRESENT POSITION [position] | 33 | 41 | 0.001 |
| REQUEST GROUND TRACK [degrees] | 71 | 33 | 0.001 |
| REPORTED WAYPOINT [position] | 45 | 29 | 0.001 |
| REPORTED WAYPOINT [time] | 46 | 26 | 0.001 |
| [remainingfuel] OF FUEL AND [remainingsouls] SOULS ON BOARD | 57 | 22 | 0.000 |
| PAN PAN PAN | 55 | 20 | 0.000 |
| CANCEL EMERGENCY | 58 | 20 | 0.000 |
| AT [time] REQUEST DESCENT TO [level] | 14 | 19 | 0.000 |
| SQUAWKING [beaconcode] | 47 | 16 | 0.000 |
| MAYDAY MAYDAY MAYDAY | 56 | 16 | 0.000 |
| REQUEST [speed] TO [speed] | 19 | 12 | 0.000 |
| DIVERTING TO [position] VIA [routeclearance] | 59 | 10 | 0.000 |
| WHEN CAN WE EXPECT [speed] TO [speed] | 50 | 8 | 0.000 |
| DESCENDING TO [level] | 61 | 8 | 0.000 |
| PRESENT GROUND TRACK [degrees] | 36 | 7 | 0.000 |
| PRESENT HEADING [degrees] | 35 | 6 | 0.000 |
| REQUEST WEATHER DEVIATION TO [position] VIA [routeclearance] | 26 | 3 | 0.000 |
| OFFSETTING [distance][direction] OF ROUTE | 60 | 0 | 0.000 |
| Totals | Totals | 4650845 | 100.000 |