> It seems a GPS shutdown like this would basically shut down IFR flying and air... | Hacker News

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mschuster91 on June 7, 2016 | parent | context | favorite | on: Planned GPS outages in southern California

> It seems a GPS shutdown like this would basically shut down IFR flying and airport terminal control since ATC has no other way of knowing the position of airplanes.

I highly doubt that good old-fashioned radar will be shut down. It has to be, anyway, for all the planes either that don't have the equipment for IFR, and the pilots which are not certified for IFR, only for VFR.

lutorm on June 8, 2016 [–]

By 2020 any airplane that flies in controlled airspace is required to be equipped with ADS-B out. This applies to VFR as well as IFR flights.

Of course, VFR flights can continue flying VFR if GPS shuts down, but IFR flights wouldn't have that option.

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