Scope and Organisational Background

Prior to using any part of this Defence Standard, Part 0 should be read which contains Procedures for use, content and definitions. This Part 12 provides System Safety and Functional Performance requirements for Alarm and Alerting systems used for Military Air Traffic Services ashore and afloat and including ATS elements of MOD Contractor Airfield and Range Air Control systems. Currently, this scope does not include Air Defence Systems performing ATS functions, ‘Area' Air Traffic performed utilising NATS systems, or Air Traffic Services performed from Airborne platforms. Refer to Part 1 for information on Regulatory Frameworks for all subsequent Parts. Other parts may also contain information specific to their function regarding more detailed alarms and alerting systems.