NGA Nautical Chart 104: Lisboa to Freetown Pilotage Charts it is a vital tool

it is a vital tool for maritime safety and operational excellence

and intermediate surveys

8 Mooring Failure

including access to the IMO Fire-fighting booklet for practical firefighting procedures

Istanbul Bogazi Güneyi (Southern Bosporus) is a standard nautical chart

NGA Nautical Chart 104: Lisboa to Freetown Pilotage Charts it is a vital toolThe chart you are viewing is a NGA standard nautical chart. The National Geospatial Intelligence Agency (NGA) has partnered with OceanGrafix to provide commercial and recreational mariners with a good source of nautical chart coverage for international waters. These charts are "printed on demand" but do not contain the latest notice to mariner (NTM) corrections. It is the mariner's responsibility that the necessary chart corrections be applied to