You are navigating in pilotage waters using running fixes. The maximum time between fixes should be about __________.

Correct Answer: Option B — 30 minutes

In pilotage waters, the high density of traffic and proximity to hazards necessitate frequent position verification. Bowditch recommends that running fixes should be updated at intervals not exceeding 30 minutes to minimize the accumulation of dead reckoning errors and ensure the vessel remains within safe water.