ATS 3.17 THE USE OF SAFETY NETS IN ATM

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ATS 3.17 THE USE OF SAFETY NETS IN ATM

The use of safety nets within the ATM system has been established for m any years. The scope of safety nets has extended to be not only airborne based but ground based as well. There is a move to extend their application into other areas such as an ATM tool, often with a view to a reduction of separation. Also, the concept of separation protection as opposed to collision avoidance has been introduced. This implies that the controller is alerted when the separation minima are about to be infringed and action will be taken to maintain the minima. In this case, the use of the safety net is being compromised by its use as conflict detection tool.


IFATCA Policy is:

A safety net is an airborne and / or ground based function, the sole purpose of which is to alert the pilot or controller of the imminence of collision of aircraft, aircraft and terrain / obstacles, as well as penetration of dangerous airspace.


See: WP 88 – Cancun 2002

See also: WP 88 – Buenos Aires 2003


IFATCA Policy is:

When implementing ground-based safety nets, common phraseology and procedures shall be used in their operation.


See: Resolution B2 – WP 86 – Accra 2018

 

Last Update: October 2, 2020  

November 4, 2019   326   Jean-Francois Lepage    ATS    

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