Autonomous Collision Avoidance System (ACAS). This allows the drone to detect obstacles and reroute or hold position to avoid them.
Permission for Commercial Operations. The CAA granted for a drone pilot to undertake UAV activity for commercial purposes and a legal requirement in the UK.
Air Navigation Order. An Act of Parliament detailing the law as it relates to civil aviation.
Revolutions Per Minute. The amount of times a drone motor shaft rotates per minute.
Operations Manual. The document that a pilot needs to produce and submit to the CAA annually in order to obtain their Permission for Commercial Operation.
National Qualified Entity. This is an organisation that has been assessed by the Civil Aviation Authority and given the authority to make recommendations for a Permission for Commercial Operation which allows you to use drones commercially.
International Civil Aviation Organisation. United Nations specialised group that codifies the principles of civil aviation and creates plans for safe and orderly growth.
High Intensity Radio Transmission Area. An area that can interfere with your drone electronics.