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  1. During the Second World War, night fighters were either purpose-built night fighter designs, or more commonly, heavy fighters or light bombers adapted for the mission, often employing radar or other systems for providing some sort of detection capability in low visibility.

    • Overview
    • Ground attack
    • Bombers
    • Naval aviation
    • Reconnaissance
    • Training
    • Air transport
    • Helicopters

    During the Battle of Britain, the RAF converted twin-engined bombers such as the Bristol Blenheim into night fighters by installing offensive ordnance and radar, but these had little success, since they were no faster than their prey. On the other hand, Messerschmitt’s Me 110, a disastrous failure as a twin-engined two-seat day fighter, became high...

    The most effective attack aircraft of the war was the Soviet Ilyushin Il-2 Stormovik. Heavily armoured for protection against ground fire and defended by a gunner in the rear of the two-seat cabin, the Il-2 could fly at up to 450 km (280 miles) per hour at treetop level and was able to attack ground targets with cannons, bombs, and rockets. It was ...

    The Junkers Ju 87 Stuka dive bomber was used to great effect during the invasions of Poland, France, and the Low Countries in 1939–40, but its slow speed rendered it vulnerable to fighter attack. The Germans’ principal bombers of the Battle of Britain were the twin-engined Heinkel He 111, the Dornier Do 17, and Ju 88. The Ju 88 was fast, with a top speed of 450 km (280 miles) per hour, but it carried a modest bombload; the other German bombers had mediocre performance and were lightly armed by British or American standards. The later Do 217 had a range of 2,400 km (1,500 miles) and could carry a bombload of 4,000 kg (8,800 pounds), but it was built only in small numbers. The Germans never built a successful four-engined bomber.

    Combat experience showed that the heavily armed British and U.S. bombers were more vulnerable to fighter attack than expected. This was dramatically revealed on Dec. 18, 1939, when a formation of Vickers Wellingtons—one of the most battle-worthy bombers of the day, with a powered four-gun Boulton Paul tail turret—was decimated over the Heligoland Bight by cannon-armed German fighters. In time this led to the adoption of self-sealing fuel tanks, armour protection for crews, and even heavier defensive armament, but the British responded immediately by abandoning daylight bombing except under special circumstances. Bombing at night reduced vulnerability to fighters, but finding and hitting targets proved difficult: nothing smaller than a city could be effectively attacked, and, as operational analysis revealed in 1941–42, ordinary crews had trouble doing even that. The problem was solved partly by using specially trained “Pathfinder” crews to mark targets with flares and partly by electronic navigation aids. During the Battle of Britain, the Germans used electronic beams to guide bombers to their targets at night, and the British later developed onboard radars, such as the H2S blind bombing system, that could produce maplike pictures of terrain beneath the aircraft through clouds or in darkness. From 1943, powerful four-engined bombers such as the Handley Page Halifax and the Avro Lancaster, carrying H2S radar and heavy armament, kept RAF bomber losses within barely acceptable limits.

    An independent British development was the de Havilland Mosquito. Constructed entirely of wood, powered by two Rolls-Royce Merlin engines, and carrying a crew of two and no defensive armament, this extraordinarily fast aircraft remained effectively immune to interception until the appearance of jet fighters, and it could reach Berlin with a 4,000-pound (1,800-kg) bomb. It was perhaps the most successful multimission aircraft ever made, serving with distinction as a low-level day bomber, radar-equipped night fighter, and long-range photoreconnaissance aircraft.

    The U.S. Army Air Forces armed later versions of their Boeing B-17 Flying Fortresses and Consolidated-Vultee B-24 Liberators with 12 or more .50-inch machine guns, eight of them in twin-gun power-driven turrets in nose, tail, ventral, and belly positions. Still, losses were high, reaching unacceptable numbers in raids against the Schweinfurt ball-bearing works on Aug. 17 and Oct. 14, 1943. Daylight bombing had to be curtailed until the arrival of P-38, P-47, and P-51 escort fighters equipped with drop tanks to provide the necessary range. For high-altitude attacks from 25,000 feet (7,500 metres), the B-17 could carry 4,000 pounds (1,800 kg) of bombs at 215 miles (345 km) per hour with a radius of action of some 800 miles (1,300 km). The B-24 carried more bombs and was slightly faster, but it could not fly as high and was more vulnerable to enemy fire. British heavy bombers carried larger bombloads—the Lancaster could carry 7,000 pounds (3,150 kg) with a radius of action of nearly 1,000 miles (1,600 km) or a bombload of 14,000 pounds (6,300 kg) over a radius of 500 miles (800 km)—but only at medium altitudes of less than 20,000 feet (6,000 metres). The heaviest bomber of World War II was the Boeing B-29 Superfortress, which entered service in 1944 with a fully pressurized crew compartment (previously used only on experimental aircraft) and as many as 12 .50-inch machine guns mounted in pairs in remotely-controlled turrets. Although these features were intended to optimize the B-29 for very high-altitude missions at 35,000 feet (10,500 metres), it was most effectively used when, stripped of almost all its heavy defensive armament, it carried bombloads as heavy as 12,000 pounds (5,400 kg) in low-altitude firebombing attacks against Tokyo and other Japanese cities from bases 2,000 miles (3,200 km) away in the Mariana Islands. Specially modified B-29s dropped atomic bombs on Hiroshima and Nagasaki.

    During World War II, carrier-based attack aircraft replaced the big guns of capital ships as the dominant offensive weapon of naval warfare. This was first demonstrated by the destruction of Italian battleships at Taranto by Fairey Swordfish torpedo biplanes on the night of Nov. 11–12, 1940; by the Japanese attack on Pearl Harbor on Dec. 7, 1941; and by the decisive Battle of Midway (June 3–6, 1942), in which surface vessels never exchanged gunfire while U.S. aircraft destroyed four Japanese aircraft carriers for the loss of only one of their own. In addition to such fighters as the F6F, the Zero, and modified Spitfires and Hurricanes, notable carrier aircraft of the war included dive bombers such as the U.S. Douglas SBD Dauntless and the Japanese Aichi 99 as well as torpedo planes such as the Grumman TBF Avenger and the Nakajima B5N.

    Land-based torpedo planes were also effective, as shown in attacks on the British battleships Repulse and Prince of Wales by twin-engined Japanese Mitsubishi G3M and G4M bombers off Malaya on Dec. 10, 1941.

    For military staffs contemplating offensive operations, aerial photography became the most important source of detailed information on enemy dispositions. British reconnaissance aircraft were especially capable. Modified versions of the Spitfire and the Mosquito, stripped of armament and fitted with extra fuel tanks, proved essentially immune to in...

    Japan and Germany entered World War II with exceptionally well-trained aviators, but their provisions for training replacements were inadequate. The British Commonwealth and the United States gained a vital advantage over the Axis by establishing large, well-organized air-crew training programs. Outstanding training aircraft included the British de...

    Major advances in air transport were made during the war. Mass drops of parachute troops had been pioneered by the Soviet Union in the 1930s, but the Luftwaffe first used the technique operationally, notably during the invasion of Crete, in which 15,000 airborne and parachute troops were landed onto that island by 700 transport aircraft and 80 glid...

    In the years before World War II, both the U.S. Army and the RAF had experimented with autogiros; these were craft that employed a propeller for forward motion and a freely rotating unmotorized rotor for lift. Autogiros proved too expensive and mechanically complex and were supplanted by conventional light aircraft. Meanwhile, during the late 1930s...

  2. The Heinkel He 219 Uhu ("Eagle-Owl") is a night fighter that served with the German Luftwaffe in the later stages of World War II. A relatively sophisticated design, the He 219 possessed a variety of innovations, including Lichtenstein SN-2 advanced VHF-band intercept radar, also used on the Ju 88 G and Bf 110 G night fighters.

  3. May 13, 2020 · Almost all the first batches of Mk I Beaufighters were night fighters. The earliest deliveries had no radar, but in September 1940 one of them was flown to the FIU for trials with one of the first AI.IV installations. By November 1940 AI.IV was standard on production Mk IF aircraft.

  4. Apr 9, 2024 · Night fighters during WWII were essential as they could perform missions at night and during adverse weather conditions. Notable night fighters like the P-61 Black Widow and Heinkel He 219 featured advanced designs and weaponry.

    • Contributing Editor
  5. night fighter, in military aviation, a fighter aircraft with special sighting, sensing, and navigating equipment enabling it to function at night. Since the 1970s, most frontline fighters have had at least basic night-fighting capabilities and have been known as all-weather fighters.

  6. The night fighters deployed, sighted flashing lights on the water, and directed destroyers to the downed planes, earning the gratitude of the fleet. How successful were night fighters compared with their daytime contemporaries?