ATSA Numerical Memory and Differences 3

Question 1

A controller is given the sequence: 7-4-9-2-6. What is the sum of the first and last digits?

Accepted Answer

13

Answer

The first digit is 7 and the last digit is 6; 7 + 6 = 13.

Question 2

Two strips list altitudes of 11,000 ft and 9,000 ft. What is the vertical separation in feet?

Accepted Answer

2,000 ft

Answer

11,000 minus 9,000 equals 2,000 feet of vertical separation.

Question 3

A pilot reads back a clearance with altitude 14,500 ft, but the original was 15,400 ft. Which digits were transposed?

Accepted Answer

The last two digits

Answer

14,500 vs 15,400 — the digits 4 and 5 in the hundreds and thousands places are swapped.

Question 4

You are shown the number string 836492 for five seconds, then asked: what is the digit in position 4?

Accepted Answer

4

Answer

Position 4 in 836492 is the digit 4 (8=1, 3=2, 6=3, 4=4).

Question 5

An aircraft's beacon code list shows: 1200, 1300, 1400, 7700, 7600. Which code stands out as a special purpose emergency code?

Accepted Answer

7700

Answer

Squawk 7700 is the general emergency code, making it the primary emergency standout.

ATSA - Air Traffic Skills Assessment Practice Test