ST3400H Database Information

The ST3400H 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: 01JAN23 (2023Q1)

Airport Revision: Cycle 2301 Effective January 26, 2023 to February 23, 2023

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)