GM3
ATM/ANS.OR.C.005(a)(1) Safety support assessment and assurance of changes to
the functional system
ED Decision 2017/001/R
(a) A safety support assessment is needed whenever the functional system of a service provider other than an air traffic services provider changes. This may be as a result of:
(1) the provider proposing a change to:
(i) its functional system;
(ii) the services it provides;
(iii) the context in which its functional system operates; or
(iv) the context in which the service is provided;
(2) the services used by the provider in the delivery of its services being planned to change; or/and
(3) a change to the context in which the service provider’s functional system operates as a result of a proposed change by another service provider, another organisation regulated by Regulation (EC) No 216/2008 or an unregulated body.
(b) The granularity of the safety support case report will depend on:
(1) the scope of the change;
(2) the nature and number of arguments; and
(3) the necessary and sufficient evidence needed to provide appropriate confidence that the safety support assurance is valid (complete and correct).
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