DD ENV 50230:1997

Contents
Foreword
Introduction
1. Scope
2. Normative references
3. Definitions
    3.1 ATC system
    3.2 Visual aids system
    3.3 CCR
    3.4 RVR
    3.5 Instrument runway CAT I, II AND III
4. General
5. Overview of the control and monitoring system
6. Basic Functions of a control and monitoring system
    6.1 Controller working places
    6.2 Maintenance working place
    6.3 Command processing
    6.4 Monitoring of the operational status
    6,5 Interface to the CCRs and other control units
7. Basic requirements for the general system design
    7.1 Additional requirements for a processor supported
         systems
8. System performance
    8.1 Response time
    8.2 Reliability