AYESAŞ - Helicopter Terrain Awareness and Warning System (HTAWS)

AYESAŞ is getting ready to offer users the Helicopter Terrain Awareness and Warning System (HTAWS) solution for rotary wing air platforms

Issue 76 - July 2017

HTAWS is designed to reduce the risk of Controlled Flight Into Terrain (CFIT) accidents of rotary wing aircraft by providing increased situational awareness of the surrounding terrain and obstacles, mainly during the cruise phase in Visual Meteorological Condition (VMC) and in Instrument Meteorological Condition (IMC) under Instrument Flight Rules (IFR). The HTAWS awareness and warning system developed for the helicopter platforms is in compliance with RTCA DO-309 and DO-178B. The system also has ARINC 653 compliant interface.

HTAWS take input such as position, flight data, and terrain and obstacle information, and is able to generate display information, aural alerts and visual alerts. HTAWS software can be integrated on any avionics computer and display system through the use of its well-defined ARINC 653 compliant interface.

 The developed software can be used also on commercial helicopters and if demanded, it can also be used on the Turkish Utility Helicopter Platform, the development activities of which are still resuming. Similarly, it can also be designed to be used on various helicopter platforms taking part in military fleets, Mi-24 and Mi-17 helicopters of the Azerbaijani Air Forces being in the first place.