Technology Recommendation

Disclaimer

The goal of this technological recommendation is to present solutions oriented at increasing safety, it does not imply that the presented solutions will or might answer the anticipated e-conspicuity mandate.

This technology recommendation is part of the FASST-CH initiative, which aims at reducing the probability of mid-air-collisions by making all traffic in the air electronically visible.  

The recommendation builds on the thousands of devices that are already in use by the general aviation community. It should not be understood as a mandate nor is legally binding.

Air-to-air interoperability will be achieved through migrating to a minimum set of open standards with software updates on existing equipment or with new equipment. Re‑broadcasting of data via a ground network will further support the interoperability of existing installations.

The proposed open standards are ADS-B out on 1090 MHz and ADS-L in the SRD 860 MHz frequency band. While the former is almost exclusively used in certified installations, the latter can be used in installed or portable devices.

The aviation community is quite diverse, and user needs are very different from one type of user to another. Hence, the suitable technologies vary, and the recommendation is focusing on specific categories of users. 

Financial support for e‑conspicuity devices and for the Upgrading from Mode S to ADS‑B out is available via Special Financing BV87. 

Category-specific recommendations