The first time, trying to find TCDS's is tricky.
E-233 is the TCDS which includes the C-85 ()
The ATC660 is the TCDS (before TCDS's) for the J-3
and other J-3 TCDS's include the C-85, specifically the TCDS A-691 on page 12.
If you have trouble finding them, let me know..all are .PDF files.
The...