Russian Federation
Russian Federation
Among the basic and derived units Of the international system of SI units (in the Russian Federation it is regulated by GOST 8.417-2002) there is no unit of measurement of such magnitude as “coupling”. However, no civilian mainline aircraft in the world will land at an airport without the airfield service first measuring the adhesion coefficient of the runway.
coupling, coupling coefficient, means of measuring the coupling coefficient, metrological support, metrological characteristics, calibration, aircraft, airfield service