AC91-2 - Assignment of mode S address

Purpose

This Advisory Circular (AC) describes an acceptable means of compliance with standards for the operation of an aircraft equipped with Mode S transponder equipment. It also documents the management of Mode S codes for non-aircraft use.

Related rules

This AC relates specifically to Civil Aviation Rule Part 91.247(b).

Change notice

Revision 1 makes the following changes:

• Adds hex code as an easier means for expressing Mode S addresses.
• Adds the management of Mode S addresses for military aircraft.
• Adds the management of Mode S addresses for ground vehicles in a multi-lateration surface surveillance environment.
• Amends the FAA TSO reference.