2 ms·
It varies around the world. In the US, Class E begins at FL600. Most of Europe, it's FL660. It would be best if all objects in the sky that could harm aircraft
by 1letterunixname 3y ago
It varies around the world. In the US, Class E begins at FL600. Most of Europe, it's FL660.
It would be best if all objects in the sky that could harm aircraft had transponders, including vintage aircraft without electrical systems and balloons.
See also: https://www.aopa.org/news-and-media/all-news/2017/january/19/ads-b-requirement-clarified-for-nonelectrical-aircraft https://www.aopa.org/news-and-media/all-news/2017/january/19...
- ianburrell 3y agoADS-B transponders are expensive and big, but they are made for the aircraft market. It should be possible to do cheap ADS-B transponder like the cheap and tiny APRS transmitters that the balloons currently use. Assuming that they don't have follow the regulation for aircraft-grade electronics.
- 1letterunixname 3y agoI've worked in industrial GNSS products. Electronics shrink all the time. A ruggedized module needing only antenna(s), SIM (for remote access), and power probably should or does already exist. The main barrier is the lack of harmonization and consistency in the CFR mandating it.