Ships and marine technology — Transmitting heading devices (THDs) — Part 1: Gyro-compasses
This part of ISO 22090 specifies the construction, performance, and testing of gyro-compasses as transmitting heading device required by chapter V, SOLAS 1974 (as amended).
A Transmitting heading device (THD) is an electronic device that provides information about the ship’s true heading.
In addition to the general requirements contained in IMO Resolution A.694(17) to which IEC 60945 is…
Ships and marine technology — Transmitting heading devices (THDs) — Part 3: GNSS principles
This part of ISO 22090 specifies general requirements, construction, performance, and testing of transmitting heading device using GNSS principle as required by chapter V, SOLAS 1974 (as amended).
A transmitting heading device (THD) is an electric device that provides information about the ship's true heading.
In addition to the general requirements contained in IMO Resolution A.694(17) to…
Ships and marine technology — Transmitting heading devices (THDs) — Part 2: Geomagnetic principles
This part of ISO 22090 specifies the construction, performance, and testing of a device employing only magnetic means as transmitting heading devices required by chapter V, SOLAS 1974 (as amended).
A Transmitting Heading Device (THD) is an electronic device that provides information about the ship’s true heading.
In addition to the general requirements contained in IMO Resolution A.694(17) to…
Ships and marine technology — Gyro-compasses for high-speed craft
This International Standard specifies the construction, performance, and type testing for gyro-compass for high-speed craft required by chapter X, SOLAS 1974 (as amended).
NOTE All requirements that are extracted from the recommendations of IMO Resolutions [Resolution A.821(19) on performance standards for gyro-compasses for high-speed craft and A.694(17)] are printed in italics.
The main…
