ED Decision 2014/012/R
ASSESSMENT OF CHANGES
(a) Safety assessment for a change
A safety assessment for a change should include:
(1) identification of the scope of the change;
(2) identification of hazards;
(3) determination of the safety criteria applicable to the change;
(4) risk analysis in relation to the harmful effects or improvements in safety related to the change;
(5) risk evaluation and, if required, risk mitigation for the change to meet the applicable safety criteria;
(6) verification that the change conforms to the scope that was subject to safety assessment, and meets the safety criteria, before the change is put into operation; and
(7) the specification of the monitoring requirements necessary to ensure that the aerodrome and its operation will continue to meet the safety criteria after the change has taken place.
(b) Scope of the safety assessment
The scope of the safety assessment should include the following elements and their interaction:
(1) the aerodrome, its operation, management, and human elements being changed;
(2) interfaces and interactions between the elements being changed and the remainder of the system;
(3) interfaces and interactions between the elements being changed and the environment in which it is intended to operate; and
(4) the full lifecycle of the change from definition to operations.
(c) Safety criteria
The safety criteria used should be defined in accordance with the procedures for the management of change contained in the aerodrome manual.
The safety criteria used should, depending on the availability of data, be specified with reference to explicit quantitative acceptable safety risk levels, recognised standards, and/or codes of practice, the safety performance of the existing system, or a similar system.
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