Navigational carriage Requirements
Navigational Carriage Requirements
Siera Marine specializes in providing expertise to meet international standards for vessel navigation equipment. Our advanced solutions ensure that your vessel is equipped with state-of-the-art navigation systems, enhancing safety, operational efficiency, and compliance with global maritime regulations.
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Ships less than 150 GT
Cargo ships
- Standard magnetic compass (*Approved alternatives permitted*)
- Pelorus or compass bearing device (*Approved alternatives permitted*)
- Correction to heading/bearing (*Approved alternatives permitted*)
- Spare magnetic compass (*Approved alternatives permitted*)
- Nautical charts and nautical publications (*Approved alternatives permitted*)
- GNSS (e.g., GPS, Glonass, Galileo) or terrestrial Radio Navigation System (*Approved alternatives permitted*)
- Sound Reception System (SRS) (*Applicable only in totally enclosed ship bridges unless flag state exemption*)
- Telephone to emergency steering system (*Approved alternatives permitted*)
- Daylight signalling lamp (*Approved alternatives permitted*)
- Bridge Navigational Watch Alarm System (BNWAS) (*As noted above for BNWAS timelines*)
- Service & Maintenance Agreements (*Recommended*)
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Passenger ships
- Standard magnetic compass (*Approved alternatives permitted*)
- Pelorus or compass bearing device (*Approved alternatives permitted*)
- Correction to heading/bearing (*Approved alternatives permitted*)
- Spare magnetic compass (*Approved alternatives permitted*)
- Nautical charts and nautical publications (*Approved alternatives permitted*)
- GNSS (e.g., GPS, Glonass, Galileo) or terrestrial Radio Navigation System (*Approved alternatives permitted*)
- RADAR reflector (*Approved alternatives permitted*)
- Sound Reception System (SRS) (*Applicable only in totally enclosed ship bridges unless flag state exemption*)
- Telephone to emergency steering system (*Approved alternatives permitted*)
- Daylight signalling lamp (*Approved alternatives permitted*)
- Automatic Identification System (AIS) (*Annual Performance Testing required*)
- 9 GHz RADAR including EPA, ATA, or ARPA (X-band) (*Minimum RADAR plotting functionality for ships <500 GT: EPA*)
- Echosounder (*Approved alternatives permitted*)
- Speed & Distance Measuring Device (SDME) – Speed Through Water (*Approved alternatives permitted*)
- Transmitting Heading Device (Gyro, Electromagnetic, or Satellite) (THD) (*Approved alternatives permitted*)
- Long Range Identification and Tracking (LRIT) (*Approved alternatives permitted*)
- Bridge Navigational Watch Alarm System (BNWAS) (*For new vessels built after 1 July 2011; for existing vessels, refer to timelines below: Passenger ships as new vessel: 1 January 2016; Cargo ships 150-500 GT: 1 July 2014; Not later than 1st survey after 1 January 2018*)
- (Simplified) Voyage Data Recorder ((S-)VDR) (*Annual Performance Testing required*)
- Service & Maintenance Agreements (*Recommended*)
Ships less than 150 and 299 GT
Cargo ships
- Standard magnetic compass (*Approved alternatives permitted*)
- Pelorus or compass bearing device (*Approved alternatives permitted*)
- Correction to heading/bearing (*Approved alternatives permitted*)
- Nautical charts and nautical publications (*Approved alternatives permitted*)
- GNSS (e.g., GPS, Glonass, Galileo) or terrestrial Radio Navigation System (*Approved alternatives permitted*)
- RADAR reflector (*Approved alternatives permitted*)
- Sound Reception System (SRS) (*Applicable only in totally enclosed ship bridges unless flag state exemption*)
- Telephone to emergency steering system (*Approved alternatives permitted*)
- Service & Maintenance Agreements (*Recommended*)
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Passenger ships
- Same requirements as above(for Cargo Ships), with additional equipment:
- Automatic Identification System (AIS) (*Annual Performance Testing required*)
- 9 GHz RADAR including EPA, ATA, or ARPA (X-band) (*Minimum RADAR plotting functionality for ships <500 GT: EPA*)
- Echosounder (*Approved alternatives permitted*)
- Speed & Distance Measuring Device (SDME) – Speed Through Water (*Approved alternatives permitted*)
- Transmitting Heading Device (Gyro, Electromagnetic, or Satellite) (THD) (*Approved alternatives permitted*)
- Long Range Identification and Tracking (LRIT) (*Approved alternatives permitted*)
- (Simplified) Voyage Data Recorder ((S-)VDR) (*Annual Performance Testing required*)
Ships between 300 and 499 GT
Cargo ships
- Additional requirements from previous classes:
- Automatic Identification System (AIS) (*Annual Performance Testing required*)
- 9 GHz RADAR including EPA, ATA, or ARPA (X-band) (*Minimum RADAR plotting functionality for ships <500 GT: EPA*)
- Echosounder (*Approved alternatives permitted*)
- Speed & Distance Measuring Device (SDME) – Speed Through Water (*Approved alternatives permitted*)
- Transmitting Heading Device (Gyro, Electromagnetic, or Satellite) (THD) (*Approved alternatives permitted*)
- Long Range Identification and Tracking (LRIT) (*Approved alternatives permitted*)
- Indicators (rudder, propeller, thrust, pitch & operational mode) (*Approved alternatives permitted*)
- Gyrocompass (*Approved alternatives permitted*)
- Gyrocompass heading repeater (*Only if possible for ships <1,600 GT*)
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Passenger ships
- Includes all cargo ship requirements, plus:
- Electronic Chart Display & Information System (ECDIS) (*With backup arrangement*)
- (Simplified) Voyage Data Recorder ((S-)VDR) (*Annual Performance Testing required*)
Ships between 500 and 2,999 GT
Cargo ships
- All previous cargo ship requirements, with additional specifications:
- Gyrocompass heading repeater at emergency steering position (*Approved alternatives permitted*)
- Gyrocompass heading repeaters (360 degrees) (*Only if possible for ships <1,600 GT*)
- Indicators (rudder, propeller, thrust, pitch & operational mode) (*Approved alternatives permitted*)
- Heading or Track Control System (HCS/Autopilot) (*Approved alternatives permitted*)
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Passenger ships
- Includes all cargo ship requirements, plus:
- 3 GHz RADAR including ATA or ARPA (S-band) (*Minimum RADAR plotting functionality for ships 500-10,000 GT: ATA*)
Ships between 3,000 and 9,999 GT
Cargo & Passenger ships
- Same as previous classes with additions:
- Rate of Turn indicator (ROT) (*Approved alternatives permitted*)
Ships between 10,000 and 49,999 GT
Cargo & Passenger ships
- Same as previous classes, with enhanced equipment requirements:
- Speed & Distance Measuring Device (SDME) – Speed Over Ground (*Approved alternatives permitted*)
Ships 50,000 GT and upwards
Cargo & Passenger ships
All previous requirements with no additional class-specific additions.
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