"Goran Larsson" wrote in message
...
In article ,
Tarver Engineering wrote:

Russians use metric units and Western aircraft use English units,

Are you *absolutely* sure about this?

We sold a good number of metric altitude repeaters for Corporate operation
in Eastern European airspace prior to the latest change. The air traffic
control system was only capable of producing altitude assignments in meters.

There are of course simple calculators availble for those clinging to the
metric slide rule reality.