A Coast Guard aircrew member stands outside a MH-65 Dolphin helicopter as the pilot and co-pilot go through pre-flight checks at the Downtown Manhattan Heliport in New York City on March 24, 2018. The MH-65 Dolphin is a twin-engine, single-rotor aircraft, and is certified for all weather and nighttime operations. (U.S. Coast Guard photo by Petty Officer 3rd Class Steve Strohmaier)