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145.A.30 requires the organisation to appoint an accountable manager and sufficient personnel with appropriate knowledge, training, and experience to plan, perform, supervise, inspect, and certify maintenance work.
What it means in practice
Every Part 145 organisation must appoint an accountable manager who has corporate authority for ensuring that all maintenance can be financed and carried out in compliance with the regulation. As amended by Regulation (EU) 2021/1963, the accountable manager must also establish and promote the safety policy specified in 145.A.200(a)(2) — the management system and the accountable manager role are now formally linked. This person is ultimately responsible for the maintenance organisation, though they may delegate functions. The organisation must also have sufficient qualified personnel to carry out all the maintenance, planning, and management-system functions required for its approved scope of work.
The accountable manager must nominate a person or group of persons responsible for ensuring the organisation complies with Part 145, including a person responsible for the compliance monitoring function and a person (or group) responsible for the development, administration, and maintenance of safety management processes under 145.A.30(b), (c), and (ca). These nominated persons represent the organisation's management structure and must ultimately be answerable to the accountable manager.
The regulation requires that human factors principles are considered in the organisation's staffing and work practices. Personnel must receive initial and continuation training that includes human factors training. The organisation must have a competence assessment system to verify that all staff involved in maintenance, management, and quality functions maintain the knowledge and skills needed for their assigned tasks.
Key requirements
The accountable manager must be identified and must have overall responsibility for the organisation's compliance with Part 145, including establishing and promoting the safety policy. A sufficient number of staff must be available to plan and carry out maintenance without undue pressure, supported by a maintenance man-hour plan under 145.A.30(d) showing that the organisation has enough staff to plan, perform, supervise, inspect, and monitor the work. The organisation must establish a competence assessment and management process covering all personnel who carry out or directly support maintenance tasks — and following Regulation (EU) 2021/1963, that competency assessment must include knowledge of safety management and human factors principles relevant to the person's function.
The regulation also requires that the organisation demonstrate to the competent authority that it has adequate staffing levels relative to the planned workload. This means having evidence that staffing levels are assessed and adjusted to match seasonal or workload variations. AMC1 145.A.30(e) details the expected human factors training syllabus and its integration with the organisation's safety management processes.
Common compliance gaps
Staffing shortages are one of the most common audit findings. Organisations often fail to maintain adequate staffing levels during peak periods or during staff absences, leading to undue time pressure on maintenance personnel. Another frequent gap is inadequate continuation training records or competence assessments that exist on paper but are not actually conducted in a meaningful way.
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