GM1 ATM/ANS.OR.B.010(a) Change management procedures

• ED Decision 2017/001/R found in: ATM/ANS Provision of Services (2017/373) (Feb 2023)

GM1 ATM/ANS.OR.B.010(a) Change management procedures ED Decision 2017/001/R GENERAL (a)       The change management procedures for changes to functional systems should include: (1)       the identification and notification of proposed changes; (2)       the identification of the scope of the change, i.e. the identification of what parts of the functional system are to be changed or are affected by the change; (3)       the assessment and assurance of the change; (4)       the approval of the change; and (5)       the establishment of the monitoring criteria to ensure that the change will remain acceptable as long as it is in operation (acceptably safe for air traffic service providers or acceptably trustworthy for other service providers). The monitoring of the changed system is part of the activities related to the management system of the service provider. It is not covered by the change management procedures themselves. (b)       The procedures that manage changes to functional systems do not include the processes to identify the circumstances that will trigger the change. These should be part of the management system(s) as laid down in [ATM/ANS.OR.B.005](#_DxCrossRefBm1726554962) and/or [ATS.OR.200](#_DxCrossRefBm1726554990), as applicable. (c)       The change management procedures should address the following: (1)       procedural-oriented content, which details: (i)        the roles and activities with regard to change management, safety assessment and safety support assessment; (ii)       the identification of the parts of the functional system affected by the proposed change; (iii)      the type of safety assessment or safety support assessment that has to be used for the identified type of changes; (iv)      the competence of the persons performing change management, safety assessments and safety support assessments; (v)       the identified triggers for performing a safety assessment and a safety support assessment; (vi)      the means of change notification; ‘means’ includes the form of notification; (vii)     the means of identifying any organisations or aviation undertakings using the service that are potentially affected by the change; and (viii)    the means of informing those identified in (vii). (2)       Method-oriented content, which details description of the safety assessments and safety support assessments methods and mitigation methods used by the service provider. (d)       For each change management procedure or part of a change management procedure approved, the agreement on notification of any change over them should be documented and formalised. In any case, the service provider should keep records of these changes. GM1 ATM/ANS.OR.B.010(a) Change management procedures ED Decision 2017/001/R GENERAL (a) The change management procedures for changes to functional systems should include: (1) the identification and notification of proposed changes; (2) the identification of the scope of the change, i.e. the identification of what parts of the functional system are to be changed or are affected by the change; (3) the assessment and assurance of the change; (4) the approval of the change; and (5) the establishment of the monitoring criteria to ensure that the change will remain acceptable as long as it is in operation (acceptably safe for air traffic service providers or acceptably trustworthy for other service providers). The monitoring of the changed system is part of the activities related to the management system of the service provider. It is not covered by the change management procedures themselves. (b) The procedures that manage changes to functional systems do not include the processes to identify the circumstances that will trigger the change. These should be part of the management system(s) as laid down in [ATM/ANS.OR.B.005](#_DxCrossRefBm647742120) and/or [ATS.OR.200](#_DxCrossRefBm647742149), as applicable. (c) The change management procedures should address the following: (1) procedural-oriented content, which details: (i) the roles and activities with regard to change management, safety assessment and safety support assessment; (ii) the identification of the parts of the functional system affected by the proposed change; (iii) the type of safety assessment or safety support assessment that has to be used for the identified type of changes; (iv) the competence of the persons performing change management, safety assessments and safety support assessments; (v) the identified triggers for performing a safety assessment and a safety support assessment; (vi) the means of change notification; ‘means’ includes the form of notification; (vii) the means of identifying any organisations or aviation undertakings using the service that are potentially affected by the change; and (viii) the means of informing those identified in (vii). (2) Method-oriented content, which details description of the safety assessments and safety support assessments methods and mitigation methods used by the service provider. (d) For each change management procedure or part of a change management procedure approved, the agreement on notification of any change over them should be documented and formalised. In any case, the service provider should keep records of these changes.