TBL 5 − 3 − 5 Level Downlink Message Elements (LVLD) AIM 8/15/19  CPDLC Message Sets Operational Definition in PANS − ATM (Doc 4444) FANS 1/A ATN B1 Response Message  Element  Identifier Message Element Intended Use Format for  Message Element Display DM6 REQUEST  (alti- tude) Note  −  Used for a sin- gle level DM6 REQUEST ( level ) Y LVLD − 1 Request to fly at the specified level or vertical range. REQUEST  (level) DM9 REQUEST CLIMB TO (altitude) DM9 REQUEST CLIMB TO ( level ) Y LVLD − 2 Request for a climb to the speci- fied level or verti- cal range. REQUEST CLIMB TO ( level ) DM10 REQUEST DESCENT TO  (altitude) DM10 REQUEST DESCENT TO ( level ) Y LVLD − 3 Request for a de- scent to the speci- fied level or verti- cal range. REQUEST DE- SCENT TO ( level ) DM38 ASSIGNED LEVEL  (altitude) Note  −  Used for a sin- gle level DM38 AS- SIGNED LEVEL ( level ) N LVLD − 11 Confirmation that the assigned level or vertical range is the specified level or vertical range. ASSIGNED LEV- EL ( level ) DM61 DESCEND- ING TO  (altitude) Note  −  urgent alert at- tribute N/A N LVLD − 14 Report indicating descending to the specified level. DESCENDING TO ( level single ) 5 − 3 − 5 En Route Procedures