Question 1126Navigation General

The correct answer is B) permanently mounted. An aneroid barometer on a boat should be permanently mounted to ensure its stability and accuracy. This is a requirement in the U.S. Coast Guard regulations for vessels, as a permanently mounted barometer provides a reliable means of monitoring atmospheric pressure changes, which is critical for safe navigation and weather forecasting. The other options are incorrect because: A) a collision bulkhead is not a requirement for an aneroid barometer, C) the barometer does not need to be in an air-conditioned area, and D) it should not be located in the passenger compartment, as it needs to be easily accessible for the crew to monitor.