What is a SAIL level in UK SORA?
A Specific Assurance and Integrity Level (SAIL) is a risk-based classification that determines how much safety evidence an operator must produce to obtain an Operational Authorisation from the UK CAA. It is derived by combining the Ground Risk Class and Air Risk Class of the proposed operation.
For more details on SAIL levels, read our in-depth guide.
Related Questions
Is a SAIL level the same as an approval?
No, it is not.
What SAIL level do I need for BVLOS operations?
There is no fixed SAIL level for BVLOS. The level depends on where you fly, the size of your aircraft, and what mitigations are in place.
What is the difference between Ground Risk Class (GRC) and Air Risk Class (ARC)?
GRC (Ground Risk Class) measures the potential consequence of a UAS impact on people on the ground. ARC (Air Risk Class) measures the likelihood of an encounter with aircraft.