Operating air
3-2-145
The air supply used to actuate the device which modulates the sounding air.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
3-2-145
The air supply used to actuate the device which modulates the sounding air.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM