These buoys are placed in prominent locations, and transmit data on Sea Conditions and Meteorological Conditions from their respective locations. | |
They carry instruments/devices. | |
Devices are either in the float or slung beneath them to any depth. | |
Buoys are either moored or drifting. |
They are colored yellow, marked "ODAS" with an identification number and carrying a small plate showing whom to inform if the buoy is recovered. | |
Moored buoys may be as much as 12m in diameter and 2-3m in height, up to 18T in weights. | |
May be anchored any parts of ocean irrespective of depth. | |
Carry visible aerials. | |
Show flashing yellow light, 5 flashes every 20s. | |
As far as possible, position of moored buoys are widely promulgated and charted if of permanent nature. | |
They are to be given wide berth of 1 mile, 2.5 miles by vessels towing underwater gears. |
Figure: ODAS buoy
About 0.75m in diameter, 2m from top to bottom. | |
Do not exhibit lights. | |
Do not carry visible aerials. |
Source: The mariner's handbook NP-100.
Updated: 29 Sep 2007