non-visual conditions

visual meteorological conditions (VMC)

beyond visual range / beyond-visual-range (BVR)

non-interference; non-intervention

non-mandated non-governmental organization

non-directional beacon (NDB) / non directional beacon

ambient conditions

chemical and biological 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

adverse conditions

atmospheric conditions

environmental conditions

reference conditions

reference environment conditions