Naviknot
Sperry Marine Naviknot is a ship speed log in the supplied category 'Position & Heading / Speed Log (Doppler / EM)'. It is normally installed at the bridge with a hull-mounted or external sensor. It is intended to measure vessel speed through or over the water according to the installed sensor principle. Compared with neighbouring entries in the same series, the supplied list identifies this unit by its model designation; the meaning of any embedded size or rating code should be confirmed in manufacturer documentation. In service it interfaces with navigation sensors, bridge displays, ship power supply, data networks and alarms relevant to the equipment function. Model-specific limits, settings, dimensions and acceptance criteria that are not stated in the supplied data should be taken from the manufacturer documentation.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Service & Maintenance
Check power supplies, data interfaces, alarms, sensor health and agreement with independent navigation information where practical. Inspect external antennas, scanners or transducers as applicable and review fault logs and self-test results. Verify required backups, records and bridge procedures; exact calibration tolerances and test methods must follow manufacturer and statutory documentation.
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