British Admiralty Nautical Chart 102: Chattogram Harbour is a standard nautical chart. This nautical chart is meticulously crafted to adhere to the stringent Safety of Life at Sea (SOLAS) regulations, serve as an indispensable tool for a diverse range of mariners, from seasoned professionals and commercial operators to recreational sailors. The series offers a comprehensive selection of scales, catering to a multitude of navigational needs. Whether planning an extensive ocean crossing, navigating coastal waters, or maneuvering into a bustling port, these charts provide the essential detail required for safe and efficient passage.

A fundamental principle of safe navigation is the utilization of the largest scale chart that aligns with the specific navigational demands. This practice becomes particularly crucial in heavily trafficked seaways, such as the English Channel, the Gulf of Suez, and the intricate Malacca and Singapore Straits. In these complex maritime environments, standard nautical charts are often supplemented by specialized mariners' routeing guides. These guides offer invaluable advice on route planning, helping to mitigate the inherent risks associated with navigating such congested and challenging waters.

To ensure the utmost accuracy and reliability, Admiralty nautical charts undergo a meticulous correction process. At the point of sale, a trained cartographer updates each chart to reflect the latest Notice to Mariners (NTM). However, the responsibility for maintaining the chart's accuracy beyond this point falls squarely on the mariner. Ongoing corrections and updates are essential for ensuring compliance with SOLAS regulations and upholding the paramount objective of safe navigation.