Currently, varieties of drones on the market are impressive. The mass of drones can range from a few hundred grams up to ten kilograms, has a size range from 3 cm to 2 meters in diameter and may be applied in different sectors.
However, despite the diversity, the general principles of functioning of drones and their set of basic elements which are present in the construction of every remotely controlled aerial aircraft whether for recreational or commercial purposes are quite similar.
An Unmanned Aircraft or Aerial System can be divided into three succinct elements:
The vehicle or platform itself (Picture 3)