S2F Cockpit Overhead Hatches

For a riveting discussion of a small mystery about the S2F Cockpit Overhead Hatches with pictures, see http://tailhooktopics.blogspot.com/2012/12/s2f-overhead-hatch.html

Tailhook Topics Drafts (http://tailhooktopics.blogspot.com/) is a blog I use to respond to specific questions. My intention is to incorporate the material in Tailhook Topics posts when appropriate. Someday.