4 Person responsible for the Safety adequacy of Maintenance Arrangements
4.1 To ensure compliance with the safety objective, the person in charge shall consider the safety implications of the organisation structure and its maintenance tasks (1689).
4.2 The person in charge is defined as the person who meets the following criteria: a) Is a legal entity in charge of the equipment being maintained.
b) Has the technical competence to understand the maintenance arrangements issues.
c) Has the authority to act should changes be necessary to any of the maintenance arrangements.
4.3 The equipment or systems of interest are only those relating to ATM facilities.
5 Typical aspects for which Safety Adequacy should be considered
5.1 Formal Control of Documentation The person in charge should consider whether documents are traceable and
endorsed by the organisation (1690). Typical methods of ensuring this cover inclusion
of:
a) Organisation Name and Business Address.
b) Document Title.
c) Date.
d) Signed authorisation of document by person in charge.
e) Reference Number.
f) Amendment record.
5.2 General Organisational Aspects Statements on safety adequacy should include the following subjects (1691): a) Organisation Chart (incl. interfaces and aerodrome licence holder). b) Key personnel:
i) Terms of reference. ii) Responsibilities (including responsibility to consider safety aspects of organisational changes) and the associated accountabilities. iii) Authority to act. c) Description of method for considering safety aspects for additional equipment or changes to existing equipment.
5.3 Documentation Arrangements
Statements on safety adequacy should include the following subjects/documents (1692): a) Responsibility for control of documentation, including amendments and out of date
versions. b) Reference documents held or readily available, e.g. CAP 382 Mandatory Occurrence Reporting Scheme, CAP 393 (the ANO), CAP 670, ICAO Annexes.
c) Local documents in use, e.g.
i) Log books.
ii) Maintenance programme.
iii) Maintenance schedules.
iv) Modification records.
v) Equipment handbooks.
d) Staff instructions:
Safety adequacy of the arrangements or procedure for:
i) taking equipment out of service.
ii) returning equipment to service.
iii) issuing a NOTAM.
iv) the control of removable archival media (CAP 670, part C, Com 01 refers).
v) the action to take in the event of an aircraft accident.
vi) the conduct of flight checks.
vii)the control of access to sites established for the purpose of ATS provision.
e) Documentation for software version control.
5.4 Maintenance Arrangements The safety adequacy of the following arrangements should be considered (1693): a) Assurance that all Safety related ATM facilities are covered, including:
i) Organisation responsible for each level of maintenance.
ii) Frequency of maintenance for each equipment, i.e. daily, weekly etc.
b) Level of maintenance.
c) Selection and control of contractors/subcontractors, including declaration on
disclosure of information obtained during inspections or audits by SRG to the
person in charge. It is the responsibility of the person in charge to ensure that the
subcontractor is capable of carrying out the maintenance to a satisfactory standard
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