§ 67.20-10 — -10 Sound Signal

(a) The owner of a Class “A” structure shall:

(1) Install a sound signal that has a rated range of at least 2 miles; and,

(2) Operate the sound signal when the visibility in any direction is less than 5 miles.

(b) The District Commander may waive any requirements in paragraph (a) of this section if he or she finds that a structure is so close to other structures and so enveloped by the sound signals on other structures that it is not a hazard to navigation.