This varient of Label 5Z starts with a forward slash (/), followed by a command and any parameters, and then optionally includes departure/destination airports along with an ETA and some other data.
/C6 ORDCHS CHS HI...NO APU TONIGHT
WILL NEED GROUND PWR
BEFORE SHUTTING DOWN
ENG 1 PLZ.
/C3 GATE REQ / KSFO KLAX 05 030500 2263 ---- ---- ---- ----
/ET EXP TIME / KIAH KBOS 05 030814/EON 0414 AUTO
/ACKFLT GATE 3
/R3 HOWGOZIT REQ / KSFO KCMH 05 071630 8152 05 KSFO
/W1 METAR / KIAH EDDM 05 074432 EDDM EDDN ---- ---- ----
Commands
| Code | Meaning |
|---|---|
| B1 | Request Weight and Balance |
| B3 | Request Departure Clearance |
| CD | Weight and Balance |
| CG | Request Pre-departure clearance, PDC |
| CM | Crew Scheduling |
| C3 | Off Message |
| C4 | Flight Dispatch |
| C5 | Maintenance Message |
| C6 | Customer Service |
| 10 | PIREP |
| C11 | International PIREP |
| DS | Late Message |
| D3 | Holding Pattern Message |
| D6 | From-To + Date |
| D7 | From-To + Alternate + Time |
| EO | In Range |
| PW | Position Weather |
| RL | Request Release |
| R3 | Request HOWGOZIT Message |
| R4 | Request the Latest POSBD |
| TC | From-To Fuel |
| WB | From-To |
| W1 | Request Weather for City |
...