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EASA SORA SAIL 3 and 4: Why UAS Manufacturers Must Design for Compliance from Day One
UAS manufacturers targeting SAIL 3 and SAIL 4 operations must design for EASA SORA compliance from the outset. This guide explains OSO #5, redundancy expectations, DAL C software assurance, reliability requirements, and EASA’s Design Verification Review process.

Anne-Lise Scaillierez
Jun 296 min read


How autonomous drones can transform woodland and peatland recovery
Beyond Restoration: Autonomous drones to accelerate woodland recovery. Our role: SORA compliance and heavy-lift drone BVLOS in atypical air environment . Learn how The Drone Office supported SORA compliance and BVLOS authorisation.

Anne-Lise Scaillierez
Jun 84 min read


Identifying acceptable standards under UK SORA from SAIL 3 onwards: BSI Flex 1906 as your Guide
When the UK SORA methodology calls for the use of a standard or other Means of Compliance (MoC) acceptable to the CAA—which standards or MoCs is the methodology referring to?
Anne-Lise Scaillierez
May 1, 20252 min read
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