This is the sound of a PBY5A Catalina (G-PBYA) operated by the Plane Sailing group, based at Duxford, UK.
Powered by two Pratt & Whitney R-1830-92 Twin Wasp radial engines, developing 1200 hp (895 kW each) each.
A windy day and overcast day at Old Warden. My usual micing arrangement was supplemented using some natural windbreaking.
The audio and photo are of the same aircraft.
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Catalina PBY5A
From Wikipedia – “The Consolidated PBY Catalina was an American flying boat of the 1930s and 1940s produced by Consolidated Aircraft. It could be equipped with depth charges, bombs, torpedoes, and .50 Browning machineguns and was one of the most widely used multi-role aircraft of World War II. PBYs served with every branch of the US military and in the air forces and navies of many other nations. In the United States Army Air Forces and later in the USAF their designation was the OA-10, while Canadian-built PBYs were known as Cansos.
In World War II, PBYs were used in anti-submarine warfare, patrol bombing, convoy escorts, search-and-rescue missions, and cargo transport. The PBY was the most successful aircraft of its kind; no other flying boat was produced in greater numbers. The last active military PBYs were not retired from service until the 1980s. Even today, over seventy years after its first flight, the aircraft continues to fly as an airtanker in aerial firefighting operations all over the world.
In the initialism PBY, “PB” stands for “Patrol Bomber” and “Y” is the code for “Consolidated Aircraft”, as designated in the U.S. Navy aircraft designation system of 1922.” – http://en.wikipedia.org/wiki/PBY_Catalina
