Chart Navigation & Plotting · Speed-Time-Distance — ETA
You depart at 0600 with 75 NM to run at 10 knots, no current. What is the ETA?
- A1300
- B1330✓ Correct
- C1230
- D1400
Explanation
Time to run = 75 ÷ 10 = 7.5 hours = 7h 30m. 0600 + 7h30m = 1330.
Authority: Bowditch (Pub. No. 9), Speed-Time-Distance
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