Duties subject to the limit in regulation 3(1)4
The duties prescribed in this regulation are any duty—
a
of an officer of one of Her Majesty’s ships afloat to secure the safe conduct of the ship;
b
of the quartermaster, bosun’s mate, helmsman or planesman of one of Her Majesty’s ships afloat to execute, or secure the execution of, orders as to the navigation of the ship;
c
of a member of the crew of any of the following which belongs to, or is being used for the purpose of, any of Her Majesty’s forces—
i
hovercraft;
ii
landing craft;
iii
rigid-hulled inflatable boats;
iv
raiding craft;
v
any other vessel, if it belongs to one of Her Majesty’s ships afloat;
d
as the ship control officer of the watch of one of Her Majesty’s submarines afloat;
e
as a member of the standing sea emergency party of one of Her Majesty’s ships afloat;
f
as a member of the harbour duty watch of one of Her Majesty’s ships’;
g
as a member of the strategic weapons system harbour duty watch of one of Her Majesty’s submarines;
h
to supervise a hazardous seamanship evolution;
i
to supervise a maritime lifting operation;
j
as a member of a boarding party;
k
as a member of the flight deck crew of one of Her Majesty’s ships;
l
as a diver;
m
to supervise a diver;
n
as a driver or commander of a mechanically propelled vehicle;
o
to supervise, certify or carry out maintenance on an aircraft;
p
to authorise a military flight.