Goodchild ORC 171 Pilot Boat "Ouse" recently delivered to Associated British Ports (Humber)

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KITTIWAKE ( MMSI 232008570) is a Pilot and currently sailing under the flag of United Kingdom (UK) Here she is speeding down the River this morning.

Spotted some Pilot Boats in the Port of Auckland, New Zealand and Melbourne & Fremantle Australia (Port codes: Auckland:NZ AKL ; Melbourne:AU MEL ; Fremantle:AU FRE).

The transfer of pilots to and from seagoing vessels should not rely solely on mutual trust and good intentions.

At the A&R shipyard in Germany, the successful principle of SWATH boats was further developed in 2013: The SWASH principle allows sea-going, smaller and more economical boats.

Vessel's details: IMO: 9496915 Name: POLARIS Vessel Type - Generic: Pilot Vessel Vessel Type - Detailed: Special Vessel Status: Active MMSI: 245142000 Call Sign: PBZN Flag: Netherlands [NL] Gross Tonnage: 2501 Summer DWT: 890 t Length Overall x Breadth Extreme: 81.2 x 13.3 m Year Built: 2012 Home Port: ROTTERDAM Geo location: 51.980840, 4.112364

The name tag plate on this ladder displays a few important items that can be cross referenced with the certificate: Type, Model, Length, Production date, as well as the serial number (Prod.No) and the approval standard.

Using pictures and sketches, this video finally explains the difference between gross tonnage (GRT) and net tonnage (NRT); the ship spaces that are included/excluded in their calculation; and the importance of these terms to ship owners.
Contents of this video will benefit mariners preparing for exams (written and oral examinations).