U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION
Includes Change 1 Effective July 31, 2008
Chapter 12. Interphone Communications
Section 1. General
12-1-1. PURPOSE
12-1-2. INTERPHONE TRANSMISSION PRIORITIES
12-1-3. PRIORITY INTERRUPTION
12-1-4. MESSAGE INITIATION
12-1-5. MESSAGE TERMINATION