IMPA 37 37. Nautical Equipment

Navigation Control Equipment

Browse the product families and items within the "Navigation Control Equipment" sub-group of the IMPA marine catalogue, and order them from verified suppliers via Geomarine.

Families

Items

Product families

Automatic Radar Plotting Aid 1 Azimuth Mirrors 1 Direction Finder 1 Direction Finding Apparatus 1 Direction Finding Equipment 1 ECDIS 1 Echo Sounding Devices 1 Gyro Compasses 1 Magnetic Compasses 1 Personal Location Beacons 1 Radars 1 Weather Facsimile Receivers 1 Wristwatch Manoverboard Beacon 1

Items in this sub-group

13 items

MAGNETIC COMPASS

IMPA 372551 SET

Magnetic compass. Needle-based directional instrument; SOLAS mandates installation on vessels ≥150 gt. Compass card diameter varies by type and manufacturer; consult reference specifications.

AZIMUTH MIRROR

IMPA 372553 SET

Azimuth mirror instrument for use with magnetic compass. Reflects observed object across pivoted mirror or prism centred on compass card to determine azimuth bearing.

GYRO COMPASS

IMPA 372556 SET

Gyro compass. Gyroscope-based heading reference, required by SOLAS for vessels ≥500 gt (post-1984) or ≥1600 gt (pre-1984). Outputs feed autopilots, radar, collision avoidance, satellite navigation, and direction-finding systems. Consult specifications for ordering details.

RADAR

IMPA 372561 SET

Radar system measuring bearing and distance by radio pulse emission and reflection. Mandatory for ships of 500 GT or above built after 1 September 1984, and vessels of 1,600 GT or above built before that date. From 1 February 1995, equipment must operate on 9 GHz frequency band.

AUTOMATIC RADAR PLOTTING AID

IMPA 372563 SET

Automatic radar plotting aid for vessels of 10,000 gt or more (built September 1984 onwards) and tankers (pre-September 1984). Operates standalone or integrated with marine radar to provide target tracking and collision avoidance data in vector and numeric formats. Various models available; contact for specifications.

ECHO SOUNDING DEVICE

IMPA 372571 SET

Echo sounder set for depth measurement. Mandatory for vessels over 1,600 gross tons (pre-May 1980) or 500 gross tons (post-May 1980) on international routes. Operates electronically by transmitting sound and measuring return echo time.

DIRECTION FINDING APPARATUS

IMPA 372576 SET

Direction-finding apparatus for ships of 1,600 gross tons or more built after 25 May 1980. Automatically determines true bearing by processing signals from radio beacon stations or vessel transmissions.

WEATHER FACSIMILE RECEIVER

IMPA 372581 SET

Weather facsimile receiver compliant with WMO standards, providing world-wide weather transmission service; model selection and specifications available from regional manufacturers.

PERSONAL LOCATION BEACON, W/BUILT-IN GPS RECEIVER

IMPA 372811 SET

Personal locator beacon with integrated GPS receiver, 406 MHz transmitter and 121.5 MHz homing signal. Alerts Cospas-Sarsat satellites within 3 minutes and provides position accuracy to approximately 30 metres globally. Supplied with lanyard and carry case.

WRISTWATCH MANOVERBOARD BEACON, RF TRANSMITTER 121.5MHZ

IMPA 372815 PCE

Waterproof wristwatch with integrated 121.5 MHz radio frequency transmitter for man-overboard emergency signalling; rated to 50 m depth with manual or automatic water-activation modes.

EMERGENCY RECEIVER 121.5MHZ, FOR WRISTWATCH MOB BEACON

IMPA 372817 SET

Emergency receiver operating on 121.5 MHz international frequency for wristwatch manoverboard beacon surveillance system.

DIRECTION FINDER 121.5MHZ, FOR WRISTWATCH MOB BEACON

IMPA 372818 SET

Direction finder operating on 121.5 MHz emergency frequency (or 121.65 MHz training frequency) for use with wristwatch man overboard beacon. Displays bearing relative to vessel heading and signal strength indicator; includes visual and audible alarm for rescue operations.

ECDIS (ELECTRONIC CHART, DISPLAY & INFORMATION SYSTEM)

IMPA 372831 SET

Electronic chart display and information system (ECDIS) compliant with IMO Resolution A.817(19) and IEC 61174. Real-time geographic information system displaying electronic navigational charts, navigation lines and vessel monitoring data. System comprises monitor and processor unit; requires official ENC database and regular updates.

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