ADMIRALTY ENC Maintenance Record (NP133C)
NP133C is a quick reference folder which is designed to hold paper records on ENC and ECDIS maintenance. Well-organised and clear, the folder can help mariners with inspections, SOLAS Chapter V carriage compliance and information management.
Nautical Almanac:
Published every year and it contains tabulated data of the entire year for the practice of astronomical navigation at sea.function has also been provided to use the almanac of the previous year for the subsequent year in case the supply of the almanac has been delayed on board.