With respect to any vessel about to enter or within a VTS zone and for the purpose of promoting safe and efficient navigation, the VTS may —
| (a) | give a traffic clearance to a vessel to enter, leave or proceed within a VTS zone, |
| (b) | direct the master, pilot or person in charge of the bridge watch of the vessel to provide relevant information in respect of that vessel, |
| (c) | direct the vessel to use specific radio frequencies in communications with coast stations or other vessel; |
| (d) | advise the vessel of — |
| (i) | the non-availability of a berth required for the vessel; |
| (ii) | pollution or reasonable apprehension of pollution in the VTS zone, |
| (iii) | the proximity of animals whose well-being could be endangered by the movement of the vessel; |
| (iv) | any obstruction or hazard to navigation in the VTS zone, |
| (v) | the proximity of a vessel m apparent difficulty or presenting a pollution threat or other hazard to life or property; |
| (vi) | the proximity of a vessel navigating in an unsafe manner or with improperly functioning equipment or radio equipment, or without charts or publications required by these rules or any other law; or |
| (vii) | vessel traffic congestion that constitutes an unacceptable risk to shipping, the public or the environment; and |
| (e) | in the light of one of more of the conditions referred to in sub-rule (d), direct the vessel— |
| (ii) | to leave or refrain from entering an area within a VTS zone, or |
| (iii) | to proceed to or remain at a location within a VTS zone. |
