TCAS

Question 1

RA Limitations

Answer 1

1. Increase Descent
   RA - Prevented below 1450 ft AGL
2. Descend RA - Prevented below 1000 ft AGL during a descent and below 1200 ft AGL
   during climb
3. Resolution
   Advisories and TA audio -
   Prevented below 1100 ft AGL during a climb and below 900 ft AGL
   during a descent. (TCAS automatically changes to the TA or TA ONLY
   mode)

Question 2

“TRAFFIC TRAFFIC”

Answer 2

The traffic is within 20 to 48 seconds of CPA and within 900 ft and 5 NM. This alerts the pilots to visually
acquire the intruder.

Question 3

Resolution Advisory (RA)

Answer 3

Issued when intruding aircraft is approximately 15 - 35 seconds from CPA with inadequate
separation and traffic is within 700 ft and 3 NM.

Question 4

An initial RA must be complied with within?

Answer 4

5 seconds

Question 5

any subsequent TCAS
instructions must be complied with within

Answer 5

2.5 seconds

Question 6

Traffic Advisory (TA)

Answer 6

Indicates relative position of intruding aircraft that is approximately 20 - 48 seconds from the
closet point of approach.
(Solid yellow circle)

Question 7

Proximate Traffic (PT)

Answer 7

Proximate traffic are intruders within ± 1200 ft and within 6 nm. (Solid white or cyan diamond)

Question 8

TCAS test

Answer 8

A self-test is required as part of the First Flight of the Day check procedures.

Question 9

Recommended Company Procedures
To use TCAS modes

Answer 9

Take-off - ABV
Enroute - ABV or BLW
Descent and Landing - BLW

Range - suitable range to improve situational awareness.

Question 10

TCAS

Answer 10

Traffic Alert and Collision Avoidance System

Question 11

20 - 48

Answer 11

CPA for TA

Question 12

15 - 35

Answer 12

CPA for RA

Question 13

1200 ft and 6 NM

Answer 13

Proximate traffic

Question 14

5 Seconds

Answer 14

To action the initial RA message

Question 15

2.5 Seconds

Answer 15

To action the subsequent RA message