The colors used are basic safety colors. The narrow tail end of the EPIRB floats above the water surface like a buoy, exposing the LED array. This array blinks and flashes in different patterns to attract attention.
Electronic Position Indicating Radiobeacons are used as an emergency device out on the open seas. This device, however, also functions as a floatation device, utilizing high-buoyancy foam filler. It also incorporates a rigid antenna structure which helps to protect the unit. This structural element is coated in textured rubber so that it can be used to hold onto the device.
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Emergency Position Indicating Radiobeacon
EPIRB