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A Logbook was originally a book for recording readings from the log, and is used to determine the distance a ship traveled within a certain amount of time. The Grand Turk is a replica of a three-masted Sixth-rate Frigate, well known for depicting HMS ''Indefatigable'' in the TV series A chip log, also called common log, ship log or just log, is a Navigation tool used by Mariners to estimate Speed of a vessel The readings of the log have been recorded in equal times to give the distance traveled with respect to a given start position.
Today's ship's log has grown to contain other types of information, and is a record of data relating to a ship or submarine, such as weather conditions, crew complement or what ports were docked at and when. A ship /ʃɪp/ is a large vessel that floats on water Ships are generally distinguished from Boats based on size A submarine is a Watercraft that can operate independently below water as distinct from a Submersible that has only limited underwater capability A crew comprises a body or a class of people who work at a common activity generally in a structured or hierarchical organization ||-||-|-||-||-||-||-||-||-|} A port is a facility for receiving Ships and transferring cargo It is essential to traditional navigation, and must be filled in at least daily.
Most Admiralties specify that logs are kept to provide a record of events, and to help crews navigate should radio, radar or the GPS fail. Radio is the transmission of signals by Modulation of electromagnetic waves with frequencies below those of visible Light. Radar is a system that uses electromagnetic waves to identify the range altitude direction or speed of both moving and fixed objects such as Aircraft, ships Basic concept of GPS operation A GPS receiver calculates its position by carefully timing the signals sent by the constellation of GPS Satellites high above the Earth Examination of a log is often used to try to explain some sort of disaster, in much the same way as a "black box" is used on airplanes (see Mary Celeste). The flight data recorder ( FDR) or Black Box is a Flight recorder used to record specific Aircraft performance parameters Overview Fixed-wing aircraft range from small training and recreational aircraft to Wide-body aircraft and military cargo aircraft. The Mary Celeste (sometimes incorrectly spelled Marie Celeste was a Brigantine discovered in the Atlantic Ocean unmanned and under sail
The term logbook has spread to a wide variety of other endeavors and logbooks are widely used for e. g. complex machines like nuclear plants or particle accelerators where one is more and more using a computer based version of a logbook called electronic logbook (see Electronic logbook). An electronic logbook is a Computer based software for recording (logging states events or simply conditions used for complex machines like nuclear plants particle accelerators In military terms, a logbook is a series of official and legally binding documents. Each document (usually arranged by date) is marked with the time of an event or action of significance.
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Use in fiction
- The Hornblower series mentions logs to explain plot development, or to make the story more realistic. Hornblower is the umbrella title of a series of Television Drama programmes based on C
- Reading a log can make a dramatic explanation of a mysterious disaster in most sci-fi.
- In Star Trek the Captain's log, a form of ship's log, is used to fill in the audience as to the events in progress, and acts as a more realistic form of soliloquy. A monologue is an extended uninterrupted speech or poem by a single person
Alternative connotation
A Logbook is also a colloquial term for the V5C car registration document in the UK. The Vehicle register in the United Kingdom is a Database of Motor vehicles It is a legal requirement in the UK for most types of motor vehicle to be The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom, the UK or Britain,is a Sovereign state located
In the fishing industry, a Logbook is used to record catch data as part of the fisheries regulations. The fishing industry includes any industry or activity concerned with taking culturing processing preserving storing transporting marketing or selling fish or fish products Fisheries management is today often referred to as a governmental system of management rules based on defined objectives and a mix of management means to implement the rules which is put It is then submitted to the fishing authorities of the vessel's flag state.
See also
External links
- European electronic logbook for fisheries
- European electronic logbook research group
- European electronic JAA logbook for pilots
- Free online nautical logbook
- Marine and fisheries electronic logbook news
- Merchant marine electronic logbooks
- NOAA fisheries logbook guide
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