STD
Displacement
Regain
Xing Situation
SR
100

The distance you will go in 15m at 4kn.

What is 1nm? 
100

How far displaced are you if your leadmark bears 003 when it should bear 000 at 5nm? 

500x.


100

You are 400x off track, steering in 10 degrees at 12kn. How long will it take to regain? 

6m.

100

You have a contact on your stbd bow closing on a steady bearing in 12m. You are transiting at 10kn. How many degrees would you need to alter to achieve a CPA of NLT 1nm?

30.

100

You have 30m with 7nm to go. What is SR? 

14kn. 

200
Distance travelled in 48m at 12kn.

9.6nm.

200
How far displaced are you if your leadmark bears 333 when it should bear 340 at 3nm? 

700x.

200

You are 300x off track, the captain directs you to regain in 15m at 12kn. How far do you need to steer in? 

3 degrees. 

200

You have a contact on your stbd bow closing on a steady bearing in 24m. You are transiting at 15kn. How many degrees would you need to alter to achieve a CPA of NLT 1nm?

10

200

The NavO tells you that your ETA is in 40m. You are travelling at 15kn. What is your DTG? 

10nm. 

300

The distance you travel in 36m at 9kn.

5.4nm.

300
A buoy bears 036 at 4.5nm, what will your CPA be if your course is 040? 

600x.

300

You are 50x off track, steering in 3 degrees. Your DSL is U/S, and since you're in POLAR waters your GPS signal is degraded and unable to provide accurate SOG. How fast are you going if you regain in 6m by leadmark? 

5kn.

300

You have a contact on your stbd bow closing on a steady bearing in 17m. You are transiting at 12kn. How many degrees would you need to alter to achieve a CPA of NLT 1nm?

17. Rounded answers acceptable. 

300
You have 48m to do 12nm, what is SR? 

15kn. 

400

Distance travelled at 11kn in 24m. 

4.4nm.

400

Your leadmark bears 225 at 3.7nm, how far off track are you if it should bear 232?

866x, rounded answers between 800 and 900 are acceptable. 

400

You are 500x off track, steering in 20 degrees at 12kn. How far will you travel before you regain? 

7.5m

400

You have a contact on your stbd bow with a CPA of .5nm on your port bow in 14m. You are transiting at 10kn. How many degrees would you need to alter to achieve a CPA of NLT 1nm?

12.

400

You have 1h to do 24nm. However, due to wake considerations you cannot go faster than 10kn for 2nm of this transit. What is SR for the remainder? 

25kn.

500

Distance travelled at 19kn in 18m. 

5.7nm. 

500

You are 300x displaced from an object at 4.5nm. What should it bear if it is on your port side and your course is 242? 

240.

500

You are 800x off track, and you will regain in 12m steering in 20 degrees. How fast are you going? 

6kn.

500

You have a contact on your stbd bow with a CPA of .7nm on your port bow in 19m. You are transiting at 8kn. How many degrees would you need to alter to achieve a CPA of NLT 1nm?

22.5

500

You have 450nm to make it to your next PVST, with 8h of 0PIM for a boarding exercise. You have 48h to go, what is your SR?

11kn.