USCG Exam PracticeRule 32 — Sound Signal Definitions
Under the Inland Navigation Rules, what is the defined duration of a prolonged blast?
- A. About 1 second
- B. From 2 to 3 seconds
- C. About 2 seconds
- ✓ From 4 to 6 secondsCorrect
Why D is correct
33 CFR §83.32(c) defines a prolonged blast as a blast of from 4 to 6 seconds' duration. A short blast is about 1 second per §83.32(b).
Cited:33 CFR §83.32