code_of_practice_V3_2019

“Controller” means a person undertaking control functions appropriate for the Level of Control of the MASS. The
controller may report to either a Watch Officer or the Master depending on the constitution of the control function, the
MASS category and the required Level of Control.
“Coxswain” refers to any person controlling the MASS, either remotely (depending on the category of control applicable
to the MASS during an operation) or to a person controlling the MASS from an onboard control station during any period
of operation under direct manned control (e.g. pilotage).
“Crew” means a person employed or engaged in any capacity on-board a ship on the business of the ship or any person
engaged in the direct control and operation of the ship from a remote location.
“Daylight” means from civil twilight before sunrise until civil twilight after sunset.
“Decked vessel” means a MASS with a continuous watertight weather deck which extends from stem to stern and has
positive freeboard throughout, in any condition of loading of the MASS. Where an appropriate ISO standard is used, the
definition should be taken from those standards as applicable.
“Degrees of Autonomy”. The following Degrees of Autonomy have been established by the International Maritime
Organization for their Regulatory Scoping Exercise in IMO MSC Circular 1604:
Table 1-2: Degrees of Autonomy (IMO)
1
2
3
4
Ship with automated processes and decision support.
Seafarers are on board to operate and control shipboard systems and functions. Some operations may
be automated and at times be unsupervised but with seafarers on board ready to take control.
Remotely controlled ship with seafarers on board.
The ship is controlled and operated from another location. Seafarers are available on board to take
control and to operate the shipboard systems and functions.
Remotely controlled ship without seafarers on board.
The ship is controlled and operated from another location. There are no seafarers on board.
Fully autonomous ship.
The operating system of the ship is able to make decisions and determine actions by itself.
N.B. The above list does not represent a hierarchic order. It should be noted that MASS could be operating at one or
more degrees of autonomy during the duration of a single voyage.
“Design Category” means a description of the wind and sea conditions for which a MASS is considered suitable under
the EC Directive 94/25/EC of 16th June 1994, as amended by 2003/44/EC, on the approximation of the laws, regulations
and administrative provisions of the Member States relating to recreational craft and used for the application of relevant
ISO and CEN standards. See Table 1-3 below:
Table 1-3: Design Categories
Design category Wind force (Beaufort scale) Significant wave height (HS, metres)
A - 'Ocean' Exceeding 8 Exceeding 4
B - ‘Offshore’ Up to, and including, 8 Up to, and including, 4
C - ‘Inshore’ Up to, and including, 6 Up to, and including, 2
D - ‘Sheltered waters’ Up to, and including, 4 Up to, and including, 0.5
MASS UK Industry Conduct Principles and Code of Practice Version 3
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