Designed for broad military applicability, the innovative HeliTAWS® ST3453H is the only multi-hazard avoidance system built for military helicopters. The compact and affordable HeliTAWS® ST3453H enhances situational awareness in low visibility conditions and low altitude flying, day or night.
It’s TruAlert® technology eliminates nuisance alerts and ensures accuracy at all operational altitudes. Incorporating an integrated ultra-bright 3D terrain display, HeliTAWS® provides straightforward replacement for existing RadAlt indicators, saving on installation time and cost. The HeliTAWS ST3453H, chosen by Sikorsky for the S-70i Black Hawk, is the superior HTAWS solution specifically engineered for military helicopters. The self-contained unit comes fully loaded and listed under one part number for ease of ordering and installation
** Note: S70i operators must use Sikorsky supplied ST3453H Pilot’s Guide.
Note: Software versions denoted with ‘A’ are applicable only to Mod A hardware (serial numbers 50-1048 and higher).
The HeliTAWS database consists of four files for the following datasets: airports, geographic overlay (water bodies and roads), obstacles, and terrain.
Current database revision dates as shown during startup:
Terrain Revision: 30NOV18
Obstacle Revision:01JAN25 (2025Q1)
Airport Revision: Effective JAN 23, 2025, Cycle 2501
Overlay Revision: 01JAN13
Database updates are available on a yearly subscription basis. Please contact Nighthawk Flight Systems to order and download an update.
Currently, transmission line data is available the United States, Canada and New Zealand. This data is updated as part of the obstacle database file.
HeliTAWS Transmission Line Coverage – USA and Canada (721 kB)
