| Most Used Downlink Msg Elements Jan09 to Jun09 | Msg# | TOTAL | %Used |
| WILCO | 0 | 95766 | 40.622 |
| POSITION REPORT [positionreport] | 48 | 62767 | 26.625 |
| REQUEST CLIMB TO [level] | 9 | 12065 | 5.118 |
| REQUEST WEATHER DEVIATION UP TO [dist][direction] OF ROUTE | 27 | 11823 | 5.015 |
| CLIMBING TO [level] | 29 | 11381 | 4.828 |
| [freetext] | 67 | 8630 | 3.661 |
| ROGER | 3 | 7959 | 3.376 |
| BACK ON ROUTE | 41 | 5875 | 2.492 |
| REQUEST [level] | 6 | 3669 | 1.556 |
| LEVEL [level] | 37 | 3385 | 1.436 |
| REQUEST BLOCK [level] TO [level] | 7 | 3046 | 1.292 |
| DEVIATING [dist] [direction] OF ROUTE | 80 | 2206 | 0.936 |
| DUE TO AIRCRAFT PERFORMANCE | 66 | 1281 | 0.543 |
| DUE TO WEATHER | 65 | 1281 | 0.543 |
| REQUEST DIRECT TO [position] | 22 | 1038 | 0.440 |
| PRESENT SPEED [speed] | 34 | 560 | 0.238 |
| REQUEST OFFSET [dist] [direction] OF ROUTE | 15 | 309 | 0.131 |
| REQUEST DESCENT TO [level] | 10 | 270 | 0.115 |
| STANDBY | 2 | 270 | 0.115 |
| AT [position] REQUEST CLIMB TO [level] | 11 | 241 | 0.102 |
| WHEN CAN WE EXPECT HIGHER ALTITUDE | 53 | 204 | 0.087 |
| REQUEST [speed] | 18 | 175 | 0.074 |
| AFFIRM | 4 | 169 | 0.072 |
| NEXT WAYPOINT ETA [time] | 43 | 143 | 0.061 |
| UNABLE | 1 | 138 | 0.059 |
| DESCENDING TO [level] | 30 | 132 | 0.056 |
| WHEN CAN WE EXPECT BACK ON ROUTE | 51 | 90 | 0.038 |
| REQUEST CRUISE CLIMB TO [level] | 8 | 88 | 0.037 |
| REQUEST CLEARANCE | 25 | 88 | 0.037 |
| REQUEST VOICE CONTACT | 20 | 88 | 0.037 |
| AT PILOTS DISCRETION | 75 | 71 | 0.030 |
| REACHING BLOCK [level] TO [level] | 76 | 70 | 0.030 |
| REQUEST [routeclearance] | 24 | 69 | 0.029 |
| AT [time] [distance] [tofrom] [position] | 78 | 51 | 0.022 |
| AT [time] REQUEST CLIMB TO [level] | 13 | 48 | 0.020 |
| WHEN CAN WE EXPECT CRUISE CLIMB TO [level] | 54 | 46 | 0.020 |
| PASSING [position] | 31 | 46 | 0.020 |
| ASSIGNED ROUTE [routeclearance] | 40 | 43 | 0.018 |
| AT [position] REQUEST OFFSET [dist] [direction] OF ROUTE | 16 | 39 | 0.017 |
| NEGATIVE | 5 | 38 | 0.016 |
| REQUEST VOICE CONTACT [freq] | 21 | 12 | 0.005 |
| REQUEST HEADING [degrees] | 70 | 11 | 0.005 |
| LEAVING [level] | 28 | 9 | 0.004 |
| ASSIGNED LEVEL [level] | 38 | 8 | 0.003 |
| REQUEST [procedurename] | 23 | 7 | 0.003 |
| WHEN CAN WE EXPECT LOWER ALTITUDE | 52 | 7 | 0.003 |
| REACHING [level] | 72 | 6 | 0.003 |
| PRESENT LEVEL [level] | 32 | 5 | 0.002 |
| ASSIGNED BLOCK [level] TO [level] | 77 | 4 | 0.002 |
| WHEN CAN WE EXPECT [speed] | 49 | 3 | 0.001 |
| AT [position] REQUEST DESCENT TO [level] | 12 | 3 | 0.001 |
| ASSIGNED SPEED [speed] | 39 | 3 | 0.001 |
| ENSUING WAYPOINT [position] | 44 | 2 | 0.001 |
| MAINTAIN OWN SEPARATION AND VMC | 74 | 2 | 0.001 |
| AT [time] REQUEST OFFSET [dist] [direction] OF ROUTE | 17 | 2 | 0.001 |
| PRESENT GROUND TRACK [degrees] | 36 | 2 | 0.001 |
| NEXT WAYPOINT [position] | 42 | 1 | 0.000 |
| [remainingfuel] OF FUEL AND [remainingsouls] SOULS ON BOARD | 57 | 1 | 0.000 |
| REQUEST GROUND TRACK [degrees] | 71 | 1 | 0.000 |
| PAN PAN PAN | 55 | 1 | 0.000 |
| REQUEST VMC DESCENT | 69 | 1 | 0.000 |
| REQUEST WEATHER DEVIATION TO [posn] VIA [routecnce] | 26 | 0 | 0.000 |
| REPORTED WAYPOINT [position] | 45 | 0 | 0.000 |
| PRESENT POSITION [position] | 33 | 0 | 0.000 |
| REPORTED WAYPOINT [time] | 46 | 0 | 0.000 |
| AT [time] REQUEST DESCENT TO [level] | 14 | 0 | 0.000 |
| [freetext] | 68 | 0 | 0.000 |
| DIVERTING TO [position] VIA [routeclearance] | 59 | 0 | 0.000 |
| MAYDAY MAYDAY MAYDAY | 56 | 0 | 0.000 |
| CANCEL EMERGENCY | 58 | 0 | 0.000 |
| REQUEST [speed] TO [speed] | 19 | 0 | 0.000 |
| SQUAWKING [beaconcode] | 47 | 0 | 0.000 |
| DESCENDING TO [level] | 61 | 0 | 0.000 |
| WHEN CAN WE EXPECT [speed] TO [speed] systems> | 50 | 0 | 0.000 |
| PRESENT HEADING [degrees] | 35 | 0 | 0.000 |
| OFFSETTING [dist][direction] OF ROUTE | 60 | 0 | 0.000 |
| ATIS [atiscode] | 79 | 0 | 0.000 |
| Totals | Totals | 235749 | 100.000 |