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This specific configuration is powered by a dependable Rotax 503, a 50-horsepower, two-cylinder, two-stroke aircraft engine equipped with dual ignition and a manual feathering propeller designed to minimize drag during unpowered soaring. The aircraft's structural architecture is built entirely from advanced composite materials, combining an incredibly lightweight airframe with high crashworthiness and a high-aspect-ratio wing equipped with flaperons and airbrakes. Celebrated for its versatility, the Sinus 503 can function interchangeably as a standard trainer, a long-range powered cruiser, and a high-performance thermal glider.
