We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
HM Nautical Almanac Office is a small multi-disciplinary group of specialists whose purpose is to provide solutions to astronomical and celestial navigation problems. HMNAO is part of the UK Hydrographic Office .
Vessel traffic management, electronic nautical publications and safety information for owners, operators of ships, yachts, fishing vessels.
MCA official letter recognising Paramount Nautical Ltd's use of Bridge Express v1.15.
Definitions of some commonly used terms in marine licensing.
Equivalency letters for electronic charts and publications meeting regulation requirements for use on ship's bridge.
How the maritime industry should treat waste at sea and in ports, reduce oil and air pollution, and control ozone-depleting substances.
How to find MCA approved training providers for long courses.
Information for a letter of initial assessment or college letter, so you can train for an engineer officer certificate of competence (CoC)
How different types of fishing gear must be marked, what you must do if you lose your fishing gear, how to report lost fishing gear.
Advice for British people on staying safe when travelling abroad by sea, including piracy, armed robbery and security risks in particular regions.
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. Please fill in this survey (opens in a new tab and requires JavaScript).