AIRBORNE COLLISION AND AVOIDANCE SYSTEM

#1. On receipt of a TCAS RA your action is to:

• Ainitiate the required manoeuvre immediately
• Bmake a note of the details.
• Crequest a flight clearance deviation from ATC.
• DDo nothing until a TA is received.

#2. Which of the following statements concerning TCAS is correct:

• ATCAS 2 provides avoidance instructions in the vertical and horizontal planes.
• BTCAS 2 cannot provide information on non-SSR equipped intruders.
• CTCAS 2 requires Mode S to be fitted to other aircraft.
• DTCAS 2 provides advice on which way to turn.

#3. With reference to Traffic Collision Avoidance Systems. The difference between TCAS I and II is that:

• ATCAS II can provide Traffic Advisories and Resolution Advisories whilst TCAS I can only provide Traffic Advisories .
• BTCAS II can only be fitted to large aircraft which carry more than 30 passengers. Whilst TCAS I can be fitted to any aircraft.
• CTCAS I can be fitted to aircraft which carry transponders with Mode A only whilst TCAS II can only be fitted to aircraft whose transponders include either Mode C or Mode S.
• DTCAS II can only be fitted to aircraft which are equipped with EFIS