Hello,
I have put together a site with information about the Jora, Cora and Allegro aircrafts.
The site have a rather extensive register of Jora Aircrafts over the world.
Feel free to visit the site: http://www.nostalgeek.no/jora.htm
The best,
Harald Sakshaug
Steinkjer, Norway
http://www.nostalgeek.no