| Most Used Downlink Msg Elements Jan08 to Dec08 | Msg# | TOTAL | %Used |
| WILCO | 0 | 264217 | 38.043 |
| POSITION REPORT [positionreport] | 48 | 179202 | 25.802 |
| REQUEST CLIMB TO [level] | 9 | 48334 | 6.959 |
| LEVEL [level] | 37 | 30785 | 4.433 |
| [freetext] | 67 | 30650 | 4.413 |
| CLIMBING TO [level] | 29 | 25949 | 3.736 |
| REQUEST WEATHER DEVIATION UP TO [dist][direction] OF ROUTE | 27 | 25569 | 3.682 |
| ROGER | 3 | 25224 | 3.632 |
| BACK ON ROUTE | 41 | 15534 | 2.237 |
| REQUEST [level] | 6 | 9399 | 1.353 |
| DUE TO AIRCRAFT PERFORMANCE | 66 | 7348 | 1.058 |
| REQUEST BLOCK [level] THROUGH [level] | 7 | 7103 | 1.023 |
| DEVIATING [dist] [direction] OF ROUTE | 80 | 6865 | 0.988 |
| DUE TO WEATHER | 65 | 5231 | 0.753 |
| REQUEST DIRECT TO [position] | 22 | 1865 | 0.269 |
| REQUEST DESCENT TO [level] | 10 | 1432 | 0.206 |
| PRESENT SPEED [speed] | 34 | 1293 | 0.186 |
| REQUEST OFFSET [dist] [direction] OF ROUTE | 15 | 816 | 0.117 |
| STANDBY | 2 | 746 | 0.107 |
| REQUEST [speed] | 18 | 703 | 0.101 |
| AT [position] REQUEST CLIMB TO [level] | 11 | 697 | 0.100 |
| WHEN CAN WE EXPECT HIGHER ALTITUDE | 53 | 646 | 0.093 |
| REQUEST CRUISE CLIMB TO [level] | 8 | 634 | 0.091 |
| NEXT WAYPOINT ETA [time] | 43 | 512 | 0.074 |
| UNABLE | 1 | 431 | 0.062 |
| DESCENDING TO [level] | 30 | 358 | 0.052 |
| AFFIRM | 4 | 334 | 0.048 |
| REQUEST VOICE CONTACT | 20 | 292 | 0.042 |
| REQUEST CLEARANCE | 25 | 270 | 0.039 |
| AT PILOTS DISCRETION | 75 | 256 | 0.037 |
| REACHING BLOCK [level] TO [level] | 76 | 227 | 0.033 |
| ASSIGNED ROUTE [routeclearance] | 40 | 159 | 0.023 |
| AT [time] REQUEST CLIMB TO [level] | 13 | 148 | 0.021 |
| WHEN CAN WE EXPECT CRUISE CLIMB TO [level] | 54 | 136 | 0.020 |
| REQUEST [routeclearance] | 24 | 130 | 0.019 |
| WHEN CAN WE EXPECT BACK ON ROUTE | 51 | 124 | 0.018 |
| AT [time] [distance] [tofrom] [position] | 78 | 115 | 0.017 |
| NEGATIVE | 5 | 96 | 0.014 |
| AT [position] REQUEST OFFSET [dist] [direction] OF ROUTE | 16 | 93 | 0.013 |
| PRESENT LEVEL [level] | 32 | 72 | 0.010 |
| ASSIGNED LEVEL [level] | 38 | 63 | 0.009 |
| PASSING [position] | 31 | 63 | 0.009 |
| LEAVING [level] | 28 | 49 | 0.007 |
| REACHING [level] | 72 | 38 | 0.005 |
| ASSIGNED BLOCK [level] TO [level] | 77 | 38 | 0.005 |
| ENSUING WAYPOINT [position] | 44 | 29 | 0.004 |
| REQUEST HEADING [degrees] | 70 | 27 | 0.004 |
| WHEN CAN WE EXPECT LOWER ALTITUDE | 52 | 25 | 0.004 |
| NEXT WAYPOINT [position] | 42 | 24 | 0.003 |
| AT [position] REQUEST DESCENT TO [level] | 12 | 24 | 0.003 |
| WHEN CAN WE EXPECT [speed] | 49 | 24 | 0.003 |
| REQUEST VOICE CONTACT [freq] | 21 | 22 | 0.003 |
| REQUEST [procedurename] | 23 | 16 | 0.002 |
| AT [time] REQUEST OFFSET [dist] [direction] OF ROUTE | 17 | 10 | 0.001 |
| MAINTAIN OWN SEPARATION AND VMC | 74 | 10 | 0.001 |
| PRESENT POSITION [position] | 33 | 7 | 0.001 |
| ASSIGNED SPEED [speed] | 39 | 7 | 0.001 |
| WHEN CAN WE EXPECT [speed] TO [speed] systems> | 50 | 5 | 0.001 |
| [remainingfuel] OF FUEL AND [remainingsouls] SOULS ON BOARD | 57 | 4 | 0.001 |
| AT [time] REQUEST DESCENT TO [level] | 14 | 4 | 0.001 |
| DIVERTING TO [position] VIA [routeclearance] | 59 | 4 | 0.001 |
| PRESENT GROUND TRACK [degrees] | 36 | 4 | 0.001 |
| PAN PAN PAN | 55 | 3 | 0.000 |
| REPORTED WAYPOINT [time] | 46 | 3 | 0.000 |
| REQUEST VMC DESCENT | 69 | 3 | 0.000 |
| REPORTED WAYPOINT [position] | 45 | 3 | 0.000 |
| REQUEST GROUND TRACK [degrees] | 71 | 2 | 0.000 |
| [freetext] | 68 | 2 | 0.000 |
| PRESENT HEADING [degrees] | 35 | 2 | 0.000 |
| MAYDAY MAYDAY MAYDAY | 56 | 1 | 0.000 |
| SQUAWKING [beaconcode] | 47 | 1 | 0.000 |
| REQUEST [speed] TO [speed] | 19 | 1 | 0.000 |
| DESCENDING TO [level] | 61 | 1 | 0.000 |
| REQUEST WEATHER DEVIATION TO [posn] VIA [routecnce] | 26 | 1 | 0.000 |
| CANCEL EMERGENCY | 58 | 0 | 0.000 |
| OFFSETTING [dist][direction] OF ROUTE | 60 | 0 | 0.000 |
| ATIS [atiscode] | 79 | 0 | 0.000 |
| Totals | Totals | 694515 | 100.000 |