ATM/ANS.OR.C.005
Safety support assessment and assurance of changes to the functional system
Regulation
(EU) 2017/373
(a)For any change notified
in accordance with point ATM/ANS.OR.A.045(a)(1),
the service provider other than the air traffic services provider shall:
(1)ensure that a safety support assessment is
carried out covering the scope of the change which is:
(i)the equipment, procedural and human
elements being changed;
(ii)interfaces and interactions between the
elements being changed and the remainder of the functional system;
(iii)interfaces and interactions between the
elements being changed and the context in which it is intended to operate;
(iv)the life cycle of the change from
definition to operations including transition into service;
(v)planned degraded modes;
(2)provide assurance, with sufficient
confidence, via a complete, documented and valid argument that the service
will behave and will continue to behave only as specified in the specified
context.
(b)A service provider other than an air
traffic services provider shall ensure that the safety support assessment
referred to in point (a) comprises:
(1)verification that:
(i)the assessment corresponds to the scope
of the change as defined in point (a)(1);
(ii)the service behaves only as specified in
the specified context;
(iii)the way the service behaves complies with
and does not contradict any applicable requirements of this Regulation placed
on the services provided by the changed functional system; and
(2)specification of the monitoring criteria
necessary to demonstrate that the service delivered by the changed functional
system will continue to behave only as specified in the specified context.
Details
Source-Title:ATM/ANS.OR.C.005 Safety support assessment and assurance of changes to the functional system