17.2.1 The maximum submarine static and transient angles of heel, roll, trim and pitch shall
be defined for normal and abnormal operating conditions.
17.2.2 The maximum submarine vertical, transverse and longitudinal accelerations
shall be defined for normal and abnormal operating conditions. Accelerations should
consider the surface, near surface and deep operating conditions, submarine
manoeuvring capabilities, surface stability and motions from sea states defined in
Vol 1, Pt 4, Ch 2, 16 Surface waves.
17.2.3 Submarine motions and accelerations should include dynamic effects from submarine
manoeuvring, motions and weapon launch, e.g. snap roll, ejection of payload.
Separate criteria may be defined for short periods of time for controlled
operations.
17.2.4 The maximum static and transient hydrodynamic loads are to be defined for all
external appendages and control surfaces for normal, abnormal and emergency
operating conditions.
17.2.5 The maximum and minimum transient accelerations shall be defined for
emergency operating conditions. The following accident scenarios shall be
considered: broaching, recovery from depth excursion. For collision scenarios,
see
Vol 1, Pt 4, Ch 2, 27 Bow collision.
17.2.6 The localised maximum acceleration shall be defined for launching systems or wave
impact loads, e.g. gun or weapon system.
17.2.7 Shock acceleration is to be defined as a survivability requirement.
17.2.8 The angles of heel, roll, trim pitch and accelerations defined shall take account of
the impact on the embarked persons.
17.2.9 The systems, equipment and components are to be verified as being effective and safe
for the full range of submarine motions.