ABZ Glossary

Categories under European drone regulations that define operational limitations and safety measures based on the proximity of the UAV to people, with A1 being the closest and A3 requiring the furthest distance.

A specific category in European drone regulations allowing UAV operations near people with restrictions, requiring additional pilot certification and safety measures.

An accelerometer is a device that measures acceleration or rapid changes in motion. In unmanned aerial vehicles (UAVs), the flight controller—the drone's central processing unit—utilizes an accelerometer to stabilize flight.

Above Ground Level. AGL refers to the altitude of an aircraft or drone measured relative to the ground directly beneath it.

Non-GPS-assisted flight mode. Unlike in Loiter, you have to counteract wind forces when AltHold is turned on. Compare with Loiter.

An operating system used in many devices, including some drones or controllers, to run software and applications for controlling or monitoring flights.