Vayudoot Aviation

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

TCAS 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.

TCAS II can only be fitted to large aircraft which carry more than 30 passengers. Whilst TCAS I can be fitted to any aircraft.

TCAS II can only be fitted to aircraft which are equipped with EFIS

TCAS II can provide Traffic Advisories and Resolution Advisories whilst TCAS I can only provide Traffic Advisories .

2. The aural messages provided by TCAS II are

Climb left; Climb right; Descend left; Descend right

Threat, Climb; Threat, Descend.

Turn left, Turn Right, Increase Turn, Decrease Turn

Climb; Descend; Increase climb; Increase Descent.

3. Which of the following statements concerning TCAS is correct

TCAS 2 requires Mode S to be fitted to other aircraft.

TCAS 2 provides advice on which way to turn.

TCAS 2 cannot provide information on non-SSR equipped intruders.

TCAS 2 provides avoidance instructions in the vertical and horizontal planes.

4. With reference to Traffic Collision Avoidance Systems

RAs must never be disregarded

RAs may be disregarded only when the pilot visually identifies the potentially conflicting traffic and decides that no deviation is necessary.

RAs may be disregarded only when the pilot visually identifies the potentially conflicting traffic and decides that no deviation is necessary and has the clearance confirmed by ATC.

RAs may be disregarded only when the pilot visually identifies the potentially conflicting traffic and decides that no deviation is necessary and has advised ATC of the other aircraft's proximity.

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

initiate the required manoeuvre immediately

make a note of the details.

Do nothing until a TA is received.

request a flight clearance deviation from ATC.

Question Bank

Questions for AIRBORNE COLLISION AND AVOIDANCE SYSTEM ( TCAS)