The notes below were produced by the author for the purposes of preparing for an Officer of the Watch oral examination in November 2015. As such they are intended only as simplified summaries and aide memoires and therefore do not give a true reflection of the original content or intention of the documents to which they refer. These notes are may contain inaccuracies and omissions that make them unsuitable as an alternative to a proper study and understanding of the current revision of the original document(s). They are posted here as a study aid and may be used freely for non-commercial purposes, however any such use remains the responsibility of the reader. The documents are embed and are also available for download.