An EASA Part 21 Subpart G organisation is an organisation which has approval to manufacture aircraft parts and appliances in conformity with approved data.
The approval may be obtained from the regulator of the state of the operator within EU countries and directly from EASA in respect of third country approval applicants.
A Part 21 Subpart G organisation is required to hold a Production Organisation Exposition (POE) which should show the structure of the organisation, identify the capability and to reference the procedures within the POE. (Reference to 21.A.143)
The production organisation certifies and releases the product on either Form 52 for a complete aircraft or EASA Form 1 for components.
Quality Control & Quality Assurance Procedures shall be developed (either stand alone or within the POE) which fully document the system processes.
A Quality Manager who is responsible for the Quality System shall be nominated, issues of concern include the management of competence, documentation control system, work which is carried out at “other” locations, maintenance and control of records as well as an internal audit program. (Reference to 21.A.139)
The Production Organisation (POA) will have a Formal Interface with the applicable Part 21 Design Organisation Approval Holder (DOA) (Reference 21.A.133)
Issues of concern include full interface and communication with the TC holder, the Control, Management and transfer of design data, any control of Concessions which may be required, Management and control of configuration. The testing and development of prototypes in support of the production process, any required part marking in accordance with subpart Q requirements.
The actual production process typically requires “QC” process control (as well as QA oversight and auditing) (Reference 21.A.145)
Additional issues to consider include identification & traceability, inspection & test, calibration, Special processes and associated materials
As with EASA Part 145 the facilities shall be approved and provide for an acceptable working environment with appropriate tooling & equipment, non-destructive testing (NDT) techniques together with facilities to support Inspection and testing
As well as an accountable manager and other “post holders” – (nominated persons), there must be suitably qualified “approved” staff to manage the various certification steps contained within the production process. All certifying staff should be sufficiently trained and to be aware of the scope of their individual authorisation.
Facilities and resources which are sufficient for the organisation to meet its objectives should be available.
Systems should be in place to manage the supply chain to include Incoming inspection and where necessary the process of first article inspection (Reference 21.A.145)
Certifying Staff will also be required to sign the EASA Form 1 (Authorised Release Certificate) for a product, part or appliance and EASA Form 52 for a complete aircraft.
Signing the release document is a testament to the fact that the product, part or appliance is in fully conformity to the applicable design data, and is in a condition for safe operation. (Reference 21.A.163 and 21.A.165)
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