The North American A-27 was an American built two-seater light attack bomber of the Second World War mainly built for export (ten were built for Siam, but Siam was invaded by the Japanese whilst the aircraft were en route, and the USA diverted the shipment to its own forces in the Philippines). It was powered by a Wright R-1820-75 radial piston engine rated at 785 hp providing a top speed of 250 mph and a range of 1287 km. The A-27 was armed with two 0.3 inch Browning fixed forward-firing machine-guns in the upper part of the forward fuselage firing through the propeller disc, two 0.3 inch Browning fixed forward-firing machine-guns in the wing leading edges and one 0.5 inch or 0.3 inch Browning trainable rearward-firing machine-gun in the rear cockpit. Up to 400 lb of disposable ordnance was carried on four under wing hard points, and generally comprising free-fall bombs. Research A-27
 
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