EASAEASA Part-ORO
Part-ORO — Air Operations (Organisation Requirements)
Read the official rulePart-ORO sets the organisation requirements for air operators in Europe — management systems, crew training and checking, flight-time limitations, and operator certification — part of the EASA Air OPS framework that, with Part-CAT, Part-NCC and others, governs how European commercial and complex operations are run (broadly the EASA counterpart to FAA Parts 121/135). *Summary and link only — consult EASA for the binding rules.*
This is an original plain-English explanation for training and reference, not legal advice and not for navigation. Always rely on the current official rule linked above. Last reviewed June 2, 2026.