Betekenis van:
air alert

air alert
Zelfstandig naamwoord
    • the condition in which combat aircraft are airborne and ready for an operation
    "aircraft in the Mideast are on air alert"

    Hyperoniemen

    air alert
    Zelfstandig naamwoord
      • the warning signal that begins a period of preparation for an enemy air attack

      Hyperoniemen

      air alert
      Zelfstandig naamwoord
        • the time period during which military and civilian agencies are prepared for an enemy air attack

        Hyperoniemen


        Voorbeeldzinnen

        1. the supplementary methods provide sufficient information for the assessment of air quality with regard to target values, long-term objectives, information and alert thresholds;
        2. The alert thresholds for concentrations of sulphur dioxide and nitrogen dioxide in ambient air shall be those laid down in Section A of Annex XII.