MK 13 MOD 0 MARINE SMOKE AND ILLUMINATION SIGNAL

devices are capable of firing various types of marine signaling devices. Refer to table 4-1. MK 13 MOD 0 MARINE SMOKE AND ILLUMINATION SIGNAL The Mk 13 Mod 0 (fig. 4-4) is used as a day or night signal by personnel on land or sea. Because of its small size and weight (6.4 ounces), it can be carried in life vests or flight suit pockets and on life rafts. This signal is especially adapted for use by aircrew personnel downed at sea. The Mk 13 Mod 0 signal is a metal cylinder approximately 5 inches long and slightly more than 1.5 inches in diameter. It emits orange smoke for day use and red flame for night use. Burning time for each end is about 20 seconds. The protective plastic cap on the flame (night) end is molded so there are three prominent protrusions or beads across the face. You can identify this end by the sense of touch. The face of the cap at the smoke (day) end is smooth. A label on the outer surface around the whole body of the signal further identifies the smoke (day) and flame (night) ends. This label has instructions for its use. To use the signal, remove the plastic cap from the end of the signal. Flip the pull ring over the signal rim and push downward to break the seal. After the seal is broken, NEVER point the signal toward your face or body. Then, ignite the signal with a quick pull on the ring. Hold the signal firmly at arm's length and at a 45-degree angle to prevent burns from hot drippings. If you only use one end, douse the signal in water to cool it. Save the other end for later use. MK 79 MOD 0 ILLUMINATION SIGNAL KIT The Mk 79 Mod 0 signal kit (fig. 4-5) consists of a Mk 31 Mod 0 signal projector, a plastic bandoleer that holds seven Mk 80 Mod 0 signals, and an instruction sheet. Downed aircrew personnel us the distress- signaling device kits. Because it is small and lightweight, personnel can carry it in pockets of flight suits or in life rafts. The projector aims and fires the signals. Each signal contains a single red star. On activation, this star is propelled upward to a height of between 250 and 650 feet. The star burns for a minimum of 4 1/2 seconds. To operate the device, you cock the projector firing pin by moving the trigger screw to the bottom of the vertical slot, and slip it to the right so that it catches at the top of the angular slot. After cocking the firing pin, remove a signal from the bandoleer and mate the projector with the signal. Now, rotate the projector clockwise until the signal is seated. Hold the projector overhead, pointed at a slight angle away from your body. While firmly gripping the projector, fire the 4-2 ITEM DEVICES LAUNCHED Mk 1 Mod 0 Pyrotechnic Pistol Mk 2 Marine Smoke Signal Mk 1 Marine Illumination Signal Mk 5 Pyrotechnic Pistol Mk 2 Marine Illumination Signal AN-M8 Pyrotechnic Pistol Mk 1 Marine Illumination Signal Mk 2 Marine Smoke Signal Mk 50 Decoy Flare M11 Aircraft Signal Table 4-1.—Pyrotechnic Pistols and Devices Launched