Question: The Sikorsky S-1 was the first fixed wing aircraft design by Igor Ivanovich Sikorsky, a Russian-American aviation pioneer in both helicopters and fixed-wing aircraft, first success came with which aircraft?
Sentence (from "Sikorsky S-1"): In early May during a take-off attempt on a windy day the machine briefly became airborne due mostly to the fact it had a favorable headwind.
Relevant evidence: No