4.1 Instructions and information required for inclusion in the training manual specified in Part I of Schedule 11 and, if appropriate, in the instructions for on-board maintenance specified in Part II of Schedule 11 shall be in a form suitable for inclusion in such a training manual or instructions for on-board maintenance. Instructions and information shall be in English in a clear and concise form and shall include the following:
4.1.1 the stowage of the light and attachment to lifebuoy;
4.1.2 type of energy source and if replaceable, method and frequency of replacement;
4.1.3 type of light source and whether replaceable;
4.1.4 any maintenance requirements including the method and recommended frequency of checks of energy source, if energy source capable of checking; and
4.1.5 operation of light and duration.