You answer. We do the sums.
No CAA tables to read. No safety margins to draw. No population figures to hunt for.
Tell us about your drone
Size, top speed and weight, straight from the manufacturer's spec sheet. Flying more than one? Add them all.
Draw where you fly
Click the corners of your flying area on the map, or import a KML file. We add the standard safety margins and count the people living underneath.
Answer a few questions, get your SAIL
Plain-English questions about your safeguards and airspace, each with a short explanation. Your SAIL appears on screen, with a copy sent to your inbox.
Not the SAIL you wanted? Let's get it down.
A lower SAIL means less to prove to the CAA. We'll look at your operation, find what can bring your score down, and then do the whole application with you.
We hold your hand from first call to approval, and we can submit the application to the CAA on your behalf.
Talk to us about your SAILQuick questions
It is the score from I to VI at the heart of a UK SORA application (the CAA's risk assessment for more complex drone flights). The higher the score, the more you have to prove before you can fly.
Yes. There is no account to create and no card to enter. We ask for an email so we can send you your result.
It is an indicative SAIL, worked out from the UK SORA rules in force today (ORS9 Decision 46). The CAA confirms every rating at Assessment 1.
Often, yes. The safeguards you can show the CAA can take points off your score. That is what our specialists help with. Talk to us.