4. Every person commits an offence against this Bylaw who, being required by the Harbour Master, Enforcement Officer, or Honorary Enforcement Officer under clause 3.13.1 of this Bylaw to do anything, fails to comply with that requirement as soon as is reasonably possible. 5. Any commercial and/or passenger carrying high speed vessel either operating under the Code of Safety for Dynamically Supported Craft and/or the High-speed Craft or any similar code or a vessel which is capable of operating at a speed of greater than 25 knots, shall when navigating within harbour limits at a speed greater than 25 knots display, where it can best be seen, an all round YELLOW flashing light, visible for at least six (6) nautical miles, between the hours of sunset and sunrise and at times of reduced visibility. 6. For the purpose of this Bylaw, the term ‘flashing light’ shall have the same meaning as defined in Maritime Rule Part 22 – Collision Prevention. 3.14. Duty of master of a vessel under 500 gross tonnage 1. The master of a vessel under 500 gross tonnage must not allow his or her vessel to impede the navigation of any vessel of 500 gross tonnage or more if the vessels are operating in the designated Pilotage areas as defined by this Bylaw in Schedule 1.2, or in the inner harbour of Picton and Shakespeare Bay. 3.15. Moving prohibited zone 1. A moving prohibited zone extending to 500 metres ahead and 50 metres on each side and continued at such width to 50 metres astern of a vessel of 500 gross tonnage or greater, when that vessel is within the pilotage area as defined by this Bylaw in Schedule 1.2. 2. The person in charge of any vessel less than 500 gross tonnage shall not navigate his or her vessel within the moving prohibited zone of any vessel navigating within the pilotage area as defined by this Bylaw in Schedule 1.2. 3. The provision of clause 3.15.2 shall not apply: (a) to vessels having prior written authority from the Harbour Master; or (b) within the inner harbour of Picton and Shakespeare Bay, where, due to the nature of these area compliance may be impossible. In such cases, the requirements of clause 3.13 and clause 3.14 shall apply; or (c) to pilot vessels and tugs in the course of carrying out their duties, and such other class of vessels, as the Harbour Master may exempt in writing. 3.16. Dive Operations 1. The master of every vessel from which dive operations are in progress must ensure that Flag A is displayed in such a manner that it can be clearly identified by the watch keeper or lookout from another vessel at a distance in excess of 200 metres. 2. Every person diving from a vessel must ensure that Flag A is displayed in such a manner that it can be clearly identified by crew members of another vessel at a distance in excess of 200 metres. 3. Dimensions for Flag A shall not be less than 600mm by 600mm. Page 22