This book is dedicated to the technique of the Second World War, which was the heyday and beginning of the sunset of the flying boat class. These technologies were aircraft - not too maneuverable, which were considered quite conservative. Of the main advantages of aircraft - the ability to make a long-range flight and reliability. Much more slowly than on aircraft of other classes, cannon weapons, 6 protection, 6ak protection and other innovations were integrated. At the end of World War II, flying boats were entrusted solely with rescue operations and submarine hunting in secondary theaters of operations.