ISM Code guidance regarding critical spares…
Section 10.3 of the Code states the following: The Company should establish procedures in its safety management system to identify equipment and technical systems the sudden operational failure of which may result in hazardous situations. The safety management system should provide for specific measures aimed at promoting the reliability of such equipment or systems. These measures should include the regular testing of stand-by arrangements and equipment or technical systems that are not in continuous use.
Germany – Guidance on ISM Code section 10.3 Identification of Critical Equipment (2008)
OCIMF – Critical Spares (2018)
To promote good quality sleep, the cabins should be quite, dark and cool, i.e. protected from noise and vibration to the extent possible, with an option for shielding off daylight, and with efficient air conditioning facilities