Airborne Collision Avoidance Systems

Question 1

TCAS

Answer 1

Traffic alert and collision avoidance system

Provide collision avoidance capabilities to pilots

Question 2

TA

Answer 2

Traffic advisory

TCAS message that alerts pilot to traffic that may be a conflict

Question 3

RA

Answer 3

Resolution advisory

TCAS message that gives pilot a means to avoid the conflict vertically

Question 4

Types of TCAS

Answer 4

TCAS I (provides TAs)
TCAS II (provides TAs & RAs)

Question 5

3 transponder modes

Answer 5

Mode A
Mode C
Mode S

Question 6

Mode A

Answer 6

Transmits an identifying code (squawk code) that allows surveillance equipment (not TCAS) to display a target without altitude information

Question 7

Mode C

Answer 7

Transmits same info as Mode A plus altitude for surveillance and TCAS equipment

Question 8

Mode S

Answer 8

Transmits same info as Mode C plus it permits data exchange between aircraft