Where can we find proper Form20 (Permit to Fly) and Form18 (Flight Conditions) templates?
Please refer to the already existing FAQ no. 20123 published on EASA for further information about Form 18 (a,b) and Form 20 (a,b).
Regarding where to find these forms:
Form 18a: Created by the design organisation
Form 18b: Available in the EASA Application Forms section
Form 20a: Provided by respective NAA
Form 20b: Created by the design organisation