I use both, but prefer what I was brought up on.... Imperial.
Yes Micko, That's what I heard as well.
Similar to one of the Russian probes they sent to Venus. The 1st probe crashed into the surface at full speed. Apparently, the altimeter was set to read NEGATIVE values as well.....or something along those lines. I don't know if the technician in charge is in a salt mine in Siberia

or .............

L.