ADS-L · FANET · FLARM · ADS-B
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Understand
What is ADS-L?
ADS-L (Automatic Dependent Surveillance – Light) is an uncertified electronic conspicuity protocol. In ADS-L Out mode, a compatible device transmits its position; the ADS-L In function, when integrated into the device, allows compatible ADS-L traffic to be received. The exact features depend on the product.
ADS-L improves situational awareness but is not an autonomous collision avoidance system. It does not guarantee detection of all traffic, does not replace visual vigilance or the "see and avoid" principle, and does not exempt from the equipment required by the rules applicable to your aircraft or the airspace used.
Complete ADS-L guideOther technologies
FANET+ combines the FANET network and FLARM compatibility, depending on the device's implementation.
Learn more →FLARM is a proximity perceptibility and alert system historically very present among gliders.
Learn more →ADS-B is the surveillance and perceptibility standard used by commercial aviation and a large part of general aviation.
Learn more →Where regulation stands
ADS-L in Switzerland
The FOCA plans to introduce an electronic conspicuity requirement in Swiss airspace starting in 2028, subject to the outcome of the regulatory process and stakeholder consultation. The envisaged scheme (FASST-CH plan) provides for several possible means of compliance, notably Mode S, ADS-B Out and ADS-L Out. The precise entry-into-force date and the final terms remain to be confirmed.
- Currently planned timeline
- 2028 — exact date to be confirmed
Source : FOCA — FASST-CH FAQLast verified : 14 August 2026
The regulatory information published on FlyVisible is provided for informational purposes and reflects the state of FOCA sources as of the last verification date. The official requirements of the FOCA and competent authorities take precedence. Portable ADS-L devices are non-certified: they improve situational awareness but do not guarantee detection of all traffic and do not replace visual vigilance or the "see and avoid" principle.
Understand what's changingFeatured product
Our recommendation of the moment
Syride Sys'Evo V2 ADS-L
GPS variometer with active ADS-L Out — ADS-L In compatible hardware, activation planned via firmware
ADS-L compatibility
Hardware capable of ADS-L reception; activation planned via a future SYRIDE firmware update (no date announced).
Compatible with: Paragliding, Hang gliding, Free flight
Which ADS-L equipment do I need?
Answer a few questions about your flying and your current instrument: we'll recommend 1 to 3 suitable devices.
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