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Products & equipmentPiston Engines

Product

Rotax 503

No longer in production (to 2009) — retained for reference.

50 hp, two-cylinder, air-cooled, piston engine for ultralight aircraft

Information on this page is compiled from a variety of published sources, and links do not necessarily imply recommendation or confirmation by the airframe manufacturer.

Manufacturer

Category

Piston & Rotary Engines — Piston Engines

Applications

Eurofly TwinfoxOptional Rotax 503
Fisher FP-202 KoalaOptional Rotax 503
Fisher FP-404Optional Rotax 503
Fisher FP-505Optional Rotax 503
Fisher FP-606 Sky BabyOptional Rotax 503
Fisher Super KoalaOptional Rotax 503
General Atomics AvengerRotax 503 (Avenger Exp.)
Halley Apollo Racer GTOptional Rotax 503
Kolb FireStarOptional Rotax 503
Murphy MaverickRotax 503 DC
U-Fly-It Aerolite 103Optional Rotax 503
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