#    CORSIA

 [ ![](https://www.leonsoftware.com/templates/yootheme/cache/31/4airart-31f409f2.jpeg)

22 Dec 2025

##  Leon Software integrates with 4AIR to streamline sustainability and emissions reporting

Leon Software has introduced a new integration with 4AIR, an aviation-focused sustainability consultancy, enabling operators to automate emissions tracking, SAF (Sustainable Aviation Fuel) accounting…

 ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=914&catid=14&Itemid=1297)

 [ ![CORSIA Compliance Made Easy: Leon Software and Opna Join Forces](https://www.leonsoftware.com/templates/yootheme/cache/9d/CORSIA_Compliance_Made_Easy__Leon_Software_and_Opna_Join_Forces_1-9d4f22db.png)

23 Apr 2025

##  CORSIA Compliance Made Easy: Leon Software and Opna Join Forces

Leon Software has partnered with Opna to deliver a seamless integration that helps air operators stay fully compliant with CORSIA regulations—simplifying CO₂ emissions reporting and offsetting obliga…

 ](https://www.leonsoftware.com/index.php?option=com_content&view=article&id=793&catid=14&Itemid=1297)

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