BNHOC charts and Publications should be maintained so that they are fully up-to-date for the latest safety-critical navigational information. BNHOC Notices to Mariners (NM) service provides all of the data you need to maintain our products. BNHOC NMs contain all the corrections, alterations and amendments for the coastal areas of Bangladesh and Bay of Bengal.
They are published as and when required and also annually. BNHOC NM can be downloaded in PDF format. If you don’t have Acrobat Reader you can download it from clicking the following button.