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GM1 21L.A.175(d) Resources of the declared design organisation

ED Decision 2023/013/R

PERSONNEL, FACILITIES AND ORGANISATION

(a) Personnel

The declared design organisation should ensure that the personnel that are made available by the organisation to comply with point 21L.A.175(d) are able, based on their special qualifications and numbers, to provide assurance of the design or modification of a product, as well as of the compilation and verification of all the data that is needed to meet the applicable type-certification basis and the applicable environmental protection requirements, as well as the necessary continued-airworthiness activities to support in-service products.

The organisation should have a system in place to plan the availability of staff to ensure that the organisation has sufficient and appropriately qualified staff to plan, perform, supervise, inspect, and monitor the organisation’s activities in accordance with the organisation’s scope of work.

(b) Facilities

The declared design organisation should have access to:

(1) workshops and production facilities that are suitable for manufacturing prototype models and test specimens;

(2) accommodation and test facilities that are suitable for carrying out tests and measurements needed to demonstrate compliance with the applicable type-certification basis and the applicable environmental protection requirements.

(c) Organisation

The declared design organisation should ensure that:

(1) an airworthiness function has been established and staffed on a permanent basis to act as the focal point for coordinating airworthiness and environmental compatibility matters;

(2) responsibilities for all tasks related to type investigations are assigned in such a way as to exclude gaps in authority; the responsibility for several tasks may be assigned to one person especially in the case of simple projects; and

(3) coordination between the technical departments and the persons in charge of the system monitoring required by point 21L.A.174(c) has been established to:

(i) ensure quick and efficient reporting and resolution of difficulties encountered using the handbook and associated procedures;

(ii) maintain the design assurance system;

(iii) optimise auditing activities.

(d) Competence of staff

The declared design organisation should establish and control the competence of the staff that are involved in the activities of the organisation, as detailed in the organisation’s scope of work, in accordance with documented procedures.

Adequate initial and recurrent training should be provided in relation to the job function to ensure that staff remain competent. This training should be adapted based on experience that is gained within the organisation.