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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


Easy Access Guide TO UK Drone Regulations & 2026 Update. Open, Class Marking, Specific, SORA
Stay up to date with UK drone regulations. Class Marking, Open category, Specific Category, UK SORA. This is a simplified, accessible explanation based on UK CAA publications, that will help both existing industry players looking for an update, and new players in the industry looking for a simple and concise overview of regulations.
Anne-Lise Scaillierez
Nov 19, 20251 min read


UK CAA publications complementing UK SORA: Update to RAE Training Academy requirements. Flightworthiness and SAIL Mark Policy Concepts
UK Drone or UAS regulations: Update to the RAE training academies requirements. First policy concepts for SAIL Mark and Flightworthiness
Anne-Lise Scaillierez
Mar 7, 20251 min read
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