Yeah good read there. The question of the female anchor of the hinge is the question now. But great pics of joinery. I’ll toy with hardware and design over next couple days.
After a little hunting I found this.
http://www.epbws.com/boarding-ladder/
Those are ronstan 32 clips in the rails clips alone are 72 ea but would be moveable on a rail. I’m not suggesting those but maybe a fixed d ring something like this
https://www.amazon.com/dp/B07HCN2Q2Q...GFYFKRTK53NPH8
Marine Grade Stainless Steel 316 Heavy Duty Diamond Pad Eye
I just hate that you will need 2 sets installed (port and stbd) and 1 for hatch. It’s so grainy I can’t make out how the originals mounted in the catalog.
https://schoonerchandlery.com/produc...arding-ladder/
https://www.deepblueyachtsupply.com/...adder-hardware
https://rwrope.com/collections/marin...14089663971381
Still hunting but boarding ladder hardware seems pricey.