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originally posted by: Phage
a reply to: rickymouse
I don't think many aircraft use magnetic compasses to navigate.
originally posted by: Crosswinds
a reply to: rickymouse
Source: am pilot
ATC system is a mixture of on airport (terminal/tower/sometimes TRACON approach and departure) and off airport facilities (ARTCC) that use navaids (VORs, GPS, ADS-B) to facilitate and separate air traffic, keeping them on route and on course and obviously from running into each other.
ATC relies on radio communications and radar for a lot of tasks.
The main switch going on now is the migration from ground based radar to satellite based.
This change focuses on ADS-B which stands for Automatic Dependent Surveillance Broadcast. It utilizes satellites and some ground stations to get a good idea of the whereabouts an airplane is in the sky.
ADS-B was mandated for all aircraft (even the little guys) on January 1st, 2020. Exceptions are aircraft built and maintained without an electrical system (cubs etc) and pilots NOT operating within class B airspace or its 30NM veil (big jet airport airspace). So Bubba and Marge in their Cub don't need it.
Pilots still use magnetic headings for VFR (visual, referencing the horizon outside) flight planning, backup, and reference.
To stay on topic,
Yes. I'm seeing a huge decline in air traffic of all sizes and purposes in my area. I haven't been able to get to the airport to get some maintenance done in my old bird, either. A lot of us small pilots are grounded due to Covid-19 so an airspace shutdown wouldn't affect us much. We're already on the ground for the most part.
Flight schools also shut down ops.
originally posted by: Zaphod58
a reply to: Vasa Croe
Originally they had to fly 80% of flights from any airport they had gates at to keep their gates. That rule was suspended by the FAA, EASA, and Australian regulators. Under CARES they have to operate a minimum number of flights to geographic regions they currently operate to. That means a minimum of one flight every day they operated to that region, even if they flew multiple flights a day on multiple days a week.
originally posted by: AugustusMasonicus
I just looked on Flightradar24.com, there's practically nothing in the air, especially in my area where there'd be about thirty flights just for UAL alone coming into or out of Newark in the past hour. I think I counted two.