ATSA Speed and Distance Calculations 2

Question 1

Aircraft A (ahead) is traveling at 300 knots. Aircraft B is 30 nm behind on the same route at 360 knots. How many minutes before B catches A?

Accepted Answer

30 minutes

Answer

20 minutes

Answer

45 minutes

Answer

60 minutes

Question 2

Two aircraft are converging with a closure rate of 300 knots and are currently 20 nm apart. Minimum radar separation is 5 nm. How many minutes remain before minimum separation is reached?

Accepted Answer

3 minutes

Answer

5 minutes

Answer

2 minutes

Answer

4 minutes

Question 3

Aircraft A is 100 nm from a fix flying at 500 knots. Aircraft B must arrive at the same fix exactly 3 minutes after A. B is 90 nm from the fix. What speed must B maintain?

Accepted Answer

360 knots

Answer

400 knots

Answer

300 knots

Answer

450 knots

Question 4

An aircraft at FL360 must cross a fix at FL180. The fix is 45 nm away and the aircraft is flying at 300 knots. What descent rate is required?

Accepted Answer

2,000 ft/min

Answer

1,500 ft/min

Answer

2,500 ft/min

Answer

3,000 ft/min

Question 5

Aircraft A is 120 nm from a fix at 400 knots. Aircraft B is 80 nm from the same fix at 500 knots. Which arrives first, and by approximately how many minutes?

Accepted Answer

B arrives ~8 minutes earlier

Answer

A arrives ~8 minutes earlier

Answer

They arrive simultaneously

Answer

B arrives ~4 minutes earlier

Question 6

An aircraft is 150 nm from an airport and must cross an intermediate fix that is 90 nm from the airport in 15 minutes. What speed must it maintain to the fix?

Accepted Answer

240 knots

Answer

360 knots

Answer

300 knots

Answer

180 knots

Question 7

Two aircraft depart the same airport simultaneously. Aircraft A flies north at 400 knots and Aircraft B flies east at 300 knots. After 30 minutes, how far apart are the two aircraft?

Accepted Answer

250 nm

Answer

350 nm

Answer

200 nm

Answer

300 nm