Orion Red Aerial Flares Marine Boating Accessories replacements. All Coast Guard approved marine boating accessory flares have an expiration date of 42 Months. The 4 high performance red aerials have a brightness of 16,000 candelabra and can be seen from 27 miles away and are . Coast Guard approved for day or nighttime use. The Orion High Performance Red Aerial Flares have an altitude up to 500 feet in the air, burn up to 7 seconds.