ST3453H Database Information

The ST3453H 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: 01OCT22 (2022Q4)

Overlay Revision: 01JAN13

Airport Revision: Cycle 2211 Effective November, 3 2022 to December 1, 2022

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)