BOTH INTERNATIONAL & INLAND You are approaching a bend in a channel. You cannot see around the bend because of the height of the bank. You should __________.

Correct Answer: Option A — sound a whistle blast of 4 to 6 seconds duration

COLREGS Rule 34(e) mandates that a power-driven vessel nearing a bend where other vessels may be obscured by intervening high banks must sound one prolonged blast of 4 to 6 seconds duration to alert approaching traffic.