Remotely piloted aircraft systems
The RPAS section gathers reference material on the aerial side of the unmanned world – the platforms most people picture when they hear the word drone, from small multirotors used for inspection and survey work up to fixed-wing aircraft built for long-endurance missions. The aim is to give a reader a grounded sense of what each class of platform can and cannot do, rather than the marketing version.
RPAS is the term the regulatory community settled on, and it is worth keeping in mind that it describes a system, not just an airframe. The aircraft is only one part; the control station, the data link and the human operator are all part of what makes a remotely piloted aircraft system work, and they are all part of what gets certified.

Why the detail is gated
The full datasheets and technical brochures sit behind registration. That is not about restricting knowledge – it is about respecting the manufacturers who submitted the material and keeping the collection out of the hands of bulk scrapers. Register for free and the section opens up. Once inside, the material is organised by manufacturer so you can compare comparable platforms side by side.