To improve the technical and operational characteristics of radio aids, the out-of-production Baclan-20 VHF radio station is replaced by Orlan-85ST VHF radio station.
- Sustainable and high quality communication;
- The continuous monitoring of 121 MHz emergency signal;
- The cost of flight hour is reduced due to reduction of maintenance expenditure;
- High reliability and ergonomics;
- The frequency band is expanded up to 137.975 MHz.