Part 21 - Airworthiness and Environmental Certification

Environmental protection - classification of changes to a type design
Official Publication
Extended Range Operations with Two-Engined Aeroplanes ETOPS Certification and Operation|Systematic review and transposition of existing FAA TSO standards for parts and appliances into EASA ETSO|Other party supplier control
Official Publication
Permit to Fly, EASA Form 1
Official Publication
Fuel Tank Flammability Reduction|Repair and Design Changes to European Technical Standard Order (ETSO)
Official Publication