When an emergency strikes, rescue depends upon your ability to guide response units to your position. Your radio is always your best signal, but there are countless other options including simple items you may have overlooked. This videotape teaches you how to use professionally-prepared signals including pyrotechnic flares and rockets, as well as how to fabricate effective signals when nothing better is available. 17 minutes. DVD-Video ore immersion suits, as well as procedures for donning the gear, abandoning the vessel and surviving in the water. The program helps ensure that your vessel’s immersion suits are ready when and where they’re required to help save lives. DVD-Video. 12:47.