Vsl
- 3. Power driven vessel not under command making way through the water less than 50 m. In length ; aspect – starboard side R R
- 15. A Vessel engaged in towing operation less than 50 m. length of the tow exceed 200 meters viewed from starboard side
- 24. Power driven vessel engaged in towing where length of the tow is less than 200 meters viewed from port side
- 28. Air – cushion vessel operating in non- displacement mode Viewed from starboard side
- 31. C Vessel at anchor less than 50 m in length (daylight)