There are 27 Pitts Special S-1C aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 1963 and 1983.
N330MM
1983 Pitts Special S-1C
Saint Augustine, FL
N6Z
1980 Pitts Special S-1C
Chelsea, MI
N116P
1977 Pitts Special S-1C
Casselton, ND
N11RG
1972 Pitts Special S-1C
Dexter, MO
N6431
1971 Pitts Special S-1C
Mount Prospect, IL
N39MR
1969 Pitts Special S-1C
Chicago, IL
N6435
1969 Pitts Special S-1C
East Palestine, OH
N6610
1969 Pitts Special S-1C
Woodstock, GA
N11011
1968 Pitts Special S-1C
North Adams, MA
N4114
1968 Pitts Special S-1C
Galena, IL
N5191
1968 Pitts Special S-1C
Capay, CA
N593A
1968 Pitts Special S-1C
Clinton, AR
N7601U
1968 Pitts Special S-1C
Carmichael, CA
N8128
1968 Pitts Special S-1C
Winnemucca, NV
N3100
1967 Pitts Special S-1C
Redding, CA
N32H
1967 Pitts Special S-1C
Alexandria, VA
N151R
1966 Pitts Special S-1C
Dallas, TX
N120E
1965 Pitts Special S-1C
Woodbury, PA
N8L
1963 Pitts Special S-1C
Queen Creek, AZ
N12HG
Pitts Special S-1C
Conway, AR
N1581
Pitts Special S-1C
San Martin, CA
N3117
Pitts Special S-1C
Glen Rock, PA
N3254
Pitts Special S-1C
Oxford, CT
N4D
Pitts Special S-1C
Crowley, TX
N8008A
Pitts Special S-1C
Caldwell, ID
N8318
Pitts Special S-1C
Murfreesboro, TN
N91TS
Pitts Special S-1C
Oxford, CT