несприятливі умови
adverse factors
adverse or limited visibility
adverse grade
adverse effect
adverse weather
aerodrome adverse weather
ambient conditions
chemical and biological conditions
combat conditions
conditions of reduced visibility
favorable conditions
physiographic conditions
simulated combat conditions
supervise the observation of armistice conditions
tactical conditions
firing conditions
meteorological conditions of fire
under nonnuclear conditions
under nuclear conditions
ditching conditions
ever-changing conditions
mission abort conditions
actual conditions meteorological report
ballistic and atmospheric conditions
accident conditions
bad weather conditions
Cauchy-Riemann conditions
landing conditions
visibility reduced conditions
visual meteorological conditions (VMC)
atmospheric conditions
environmental conditions