Coast Guard Aircraft, Past and Present by Joseph Whitaker

(l-r, t-b) Loening OL-5 "Amphibious Biplane," 1926-35; experimental Curtis Flying Boat; Consolidated N4Y-1 "Biplane Trainer," 1932-45; Lockheed HC-130 "Hercules," 1959-present; Vultee SNV-1 "Valiant 54," 1940-45; Grumman HU-16E "Albatross," 1951-83;