British Waterways - Maintains 2,000 miles of canals and river navigations. www.british-waterways.org
DETR Marine Branch - Information on the Department of the Environment, Transport and the Regions Marine Branch. www.environment.detr.gov.uk/marine/index.htm
Her Majesty's Nautical Almanac Office - Produces the Astronomical Almanac, the Nautical Almanac, Astronomical Phenomena, the Star Almanac and the UK Air Almanac. www.nao.rl.ac.uk
Marine Accident Investigation Branch - Provides information on the work of the MAIB, which is responsible for investigating all types of marine accidents, both to ships and to people on board them. www.maib.dft.gov.uk
Maritime and Coastguard Agency - Information on maritime matters, Merchant Shipping Notices, Marine Guidance Notes and Marine Information Notes. www.mcga.gov.uk
