This standard specifies the measurement method of navigation mark light intensity, calculation of effective light intensity and calculation of light range. This standard applies to various ambient and directional navigation beacon lights. Other navigation lights can be used as a reference.
2023JT/T 730-2023 Navigation mark light intensity measurement and light range calculation
2008JT/T 730-2008 Luminous intensity measurement and luminous range calculation of anavigation light
1993JT 7007-1993 Navigation mark light intensity measurement and light range calculation
JT/T 730-2008 Luminous intensity measurement and luminous range calculation of anavigation light has been changed from JT 7007-1993 Navigation mark light intensity measurement and light range calculation.