Final answer:
An orange smoke signal is a U.S. Coast Guard approved type of visual distress signaling device. Other approved devices include orange signal flags, electric distress lights, and pyrotechnic flares.
Step-by-step explanation:
A U.S. Coast Guard approved type of visual distress signaling device is the orange smoke signal (also known as an orange smoke flare). An orange smoke signal is a U.S. Coast Guard approved type of visual distress signaling device. Other approved devices include orange signal flags, electric distress lights, and pyrotechnic flares.
These devices emit a thick cloud of orange-colored smoke when activated in order to alert rescuers to the location of a distressed vessel or person at sea.
Other U.S. Coast Guard approved visual distress signaling devices include orange signal flags, electric distress lights, and pyrotechnic flares.