TRAFFIC ALERT AND COLLISION AVOIDANCE SYSTEM (TCAS) RESOLUTION ADVISORIES (RA)

Question 1

(Glossary)

Traffic Alert and Collision Avoidance System

Answer 1

An airborne collision avoidance system based on radar beacon signals which operates independent of ground-based equipment. TCAS-I generates traffic advisories, and resolution )collision avoidance) advisories in the vertical plane.

Question 2

(Glossary)

Resolution Advisory

Answer 2

A display indication given to the pilot by the traffic alert and collision avoidance systems (TCASS II) recommending a maneuver to increase vertical separation relative to an intruding aircraft. Positive, negative, and vertical speed limit (VSL) advisories constitute the resolution advisories. A resolution advisory is also classified as corrective or preventive.

Question 3

(2-1-28)
General (RVSM Operations)

Controller responsibilities must include bot not be limited to the following:
>non-RVSM aircraft operating in RVSM airspace

Answer 3

> ensure non-RVSM aircraft are not permitted in RVSM airspace unless they meet the criteria of expected aircraft and are previously approved by the operations supervisor/CIC.