GPS Flaw: Security Expert Says He Won't Fly April 6
Don't look now, but there's another Y2K-like computer-calendar problem on the way, and this one arrives in just one month: April 6, 2019.
That's the day millions of GPS receivers will literally run out of time, rolling over their time counters back to zero, thanks to limitations in timekeeping for older GPS devices.
https://www.tomsguide.com/us/gps-mini-y2k-rsa2019,news-29583.html