sentences:  The aircraft was a three-bay biplane with unswept, unequal span, unstaggered wings.It had twin floats under the fuselage and additional floats at tail and wings tips.Initial production aircraft were powered by a 322 hp Rolls-Royce Eagle IV engine mounted in the nose driving a four-bladed propeller, with later production batches being powered by a 265 hp (198 kW) Sunbeam Maori engine owing to shortages of Eagles.