Chapter 14. Data Link Communications ▶ Section 1. Terminal Procedures for Issuing Automated Clearances 14-1-1. PRE‐DEPARTURE CLEARANCE (PDC) 14-1-2. CONTROLLER PILOT DATA LINK COMMUNICATIONS (CPDLC) – DEPARTURE CLEARANCE (DCL) 14-1-3. DEPARTURE CLEARANCE (DCL) APPLICATION (PDC/CPDLC) SELECTABLE FIELDS ▶ Section 2. En Route Controller Pilot Data Link Communications (CPDLC) - Domestic 14-2-1. GENERAL 14-2-2. ABNORMAL SITUATIONS 14-2-3. SYSTEM SITUATIONS 14-2-4. SPECIFIC UPLINKS ▶ Section 3. Advanced Technologies and Oceanic Procedures (ATOP) - Oceanic Controller Pilot Data Link Communications (CPDLC) 14-3-1. MEANS OF COMMUNICATION 14-3-2. TRANSFER OF COMMUNICATIONS TO THE NEXT FACILITY 14-3-3. ABNORMAL CONDITIONS