ATSA Numerical Memory and Differences 2

Question 1

A controller reads off four altitudes in sequence: 8,500 ft, 7,200 ft, 9,100 ft, 6,800 ft. Which altitude was third in the sequence?

Accepted Answer

9,100 ft

Answer

The third altitude read in the sequence was 9,100 ft.

Question 2

Two aircraft report headings of 275° and 247°. What is the difference between these headings?

Accepted Answer

28°

Answer

275 minus 247 equals 28 degrees.

Question 3

A strip shows squawk codes 4521, 4251, 4512, and 4215. Which code contains the digits 2, 5, 1, and 4 in that exact order?

Accepted Answer

4251

Answer

Code 4251 contains the digits 4, 2, 5, 1 — the only code whose second digit is 2 and third digit is 5.

Question 4

An aircraft's transponder code changes from 3367 to 3376. Which two digit positions swapped?

Accepted Answer

Digits 3 and 4

Answer

Positions 3 and 4 changed from 6,7 to 7,6 — the last two digits were transposed.

Question 5

You memorize five frequencies: 118.3, 121.5, 119.7, 125.2, 120.8. Which frequency is highest?

Accepted Answer

125.2

Answer

125.2 MHz is the highest of all five frequencies listed.

ATSA - Air Traffic Skills Assessment Practice Test