After she bought it, aerobatic performer Betty Skelton called the second aircraft that Curtis built, "Little Stinker".

The S-1C and derivative S-1SS plans and kits are supplied by Steen Aero Lab in Palm Bay, Florida.

The aircraft was popularized by Betty Skelton, Caro Bayley, and other air show performers, which led to the offering of plans in 1962.

[7] Child later sold the rights in 1981 to Frank Christensen, who continued production at the Afton plant under the guise of Christen Industries.

At the time of his death, he was working with Steen on the prototype of the new Pitts Model 14, a brand new, two-seat biplane designed for unlimited aerobatics powered by the 400 horsepower Vedeneyev M14P radial engine.

[8] The current inverted flat spin world record is 98 set on March 20, 2016 by air show performer Spencer Suderman over Yuma, Arizona.

[13] The previous world record for the number of consecutive turns in a flat spin was 81 also set by Spencer Suderman on March 13, 2014 in a Pitts S-2B from 23,000 ft altitude over the Naval Air Facility El Centro.