BASA III. L set – The mobile air traffic control center was developed and delivered to the Armed Forces of the Czech Republic in 2010. This modular facility can be used either together with DSQOC or separately depending on the mission. It allows the helicopter to land and take off in field conditions and control helicopters at a distance of 30 km (tested up to 70 km UHF). The lighting equipment ensures that the helicopter approach during the day, at night and using NVG from a distance of 10 km under standard weather conditions. The system can be operated within the classification level “secret” or “unclassified”.