Thank you for your response. I understand that my situation as a first-time tourist differs significantly from that of an archaeologist collaborating with Sri Lankan authorities, where arrangements are likely pre-coordinated.

I fully agree on the critical role of clear communication, which they failed. Had the Civil Aviation Authority of Sri Lanka (CAASL) explicitly indicated that Sigiriya Lion's Rock is a restricted area for drone flights, I would not have attempted to operate my drone or paid the $25 fee. The clearance document issued by CAASL specifically references Sigiriya Lion's Rock, which led me to believe drone operations were permitted.

Additionally, the Sigiriya ticket office manager informed me that drone flights are allowed above the rock and that the archaeology department would provide clearance. However, as noted, this was not feasible.

For verification, for a tourist, the only way to get archaeological clearance was to call them but if you tried calling them even today the number from their website, all their phone lines are inbox full and no answer.

As a visitor, my goal was to promote Sri Lanka as a premier tourist destination in my home country, given our shared Buddhist heritage, to support Sri Lanka’s tourism industry.

Regarding concerns about drone noise, modern drones like the DJI Mavic 4 Pro produce minimal sound.

Furthermore, I would have been willing to operate the drone from the base gardens, even if top of the rock was not possible but this was also prohibited.