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David you got it, an SP can fly a 415-C or CD that has not been converted to a D.

Randy, do I understand you correctly. The ercoupe 415C can be flown as an LSA, but the pilot must hold a PPL?

Update: Found the answer in another post. A sport pilot may fly a type certificated aircraft provided the aircraft meets, and has always met (not recertified out of LSA class) LSA restrictions.

Gene - This has been a topic of confusion for me as well. For my own sanity let me clarify this: As a PP you can operate a 415-C or CD (that is Sport Pilot Eligible - ie has never been modified for 1400lb gross weight) by exercising Sport Pilot privileges with just a drivers license as a medical.

do the basic med, it is easier and last longer than a 3rd class

Well thanks for clearing that up. I suppose my PP certificate will be OK if I can pass a 3rd class medical. Thanks again