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VESSELS USED FOR ASSISTANCE AND SERVICE. TUG. The purpose she serves: To assist other vessels when entering or leaving the port, assist with a salvage operation Feature(s) of design: Powerful engines CPP with adjustable blades Bow and stern thrusters Clear aft deck. SALVAGE VESSEL.
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TUG The purpose she serves: • To assist other vessels when entering or leaving the port, assist with a salvage operation Feature(s) of design: • Powerful engines • CPP with adjustable blades • Bow and stern thrusters • Clear aft deck
SALVAGE VESSEL The purpose she serves: • To rescue other ships or their cargo from loss at sea Feature(s) of design: • Heavy derricks (wrecks)
BUOYAGE VESSEL The purpose she serves: • To place and maintain buoys Feature(s) of design: • Flat aft deck • Hoisting installation
SURVEY SHIP The purpose she serves: • To perform marine research Feature(s) of design: • Oceanographic instruments
SUPPLY VESSEL The purpose she serves: • To supply oil rigs with stores and spare parts (towing of rigs, extinguishing fires) Feature(s) of design: • High-capacity fire extinguishing pumps
SAR-VESSEL The purpose she serves: • To perform search and rescue operations Feature(s) of design: • Powerful engines • Communication instruments
FIREFLOAT The purpose she serves: • To fight against fire Feature(s) of design: • Powerful fire-extinguishing system
PILOT TENDER The purpose she serves: • To transport the pilot to the ship that requested pilotage Feature(s) of design: • Sheltered aft deck
CABLE LAYER The purpose she serves: • To lay cables on the bottom of the sea Feature(s) of design: • Huge horizontal wheel (reeling off cables) • Dynamic Positioning System
ICEBREAKER The purpose she serves: • To ride up the ice and crush a way through for other ships Feature(s) of design: • Powerful engine • Strengthening of her stem
DREDGER The purpose she serves: • To deepen out harbours, ports, fairways, approaches and entrances Feature(s) of design: • Integrated hopper • Spud system • Cutterhead • Bucket, grab or suction system
FISHERMAN The purpose she serves: • To catch and process fish Feature(s) of design: • Refrigerating plants • deep-freezing facilities • RSW tanks • Powerful winches
Types of vessels – revision (76/3) A – 19 B – 13 C – 10 D – 17 E – 23 F – 15 G – 21 H – 1 I – 2 J – 12 K – 3 L – 5
Types of vessels – revision (76/3) M – 14 N – 16 O – 20 P – 7 Q – 18 R – 22 S – 6 T – 4 U – 11 V – 9 W – 8