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GM 21.A.90A Scope

Available versions for ERULES-1963177438-3707

ED Decision 2019/018/R found in: Initial Airworthiness and Environmental Protection (No 748/2012) Part-21 Part-21L (Jul 2024)

Version Text

GM 21.A.90A Scope

ED
Decision 2019/018/R

The term ‘changes to the type certificate’ is
consistently used in Part 21 Subpart D and E, as well as in the related
AMC and GM. This term does not refer to changing the document that reflects
the type certificate (TC) but to the elements of the TC as defined in [21.A.41](#_DxCrossRefBm1649097019). It means that the processes for the
approval of changes, as described in the said two Subparts, do not only apply
to changes to the type design, but may also apply to changes to:

—
the operating limitations;

—
the type certificate data sheet (TCDS) for airworthiness and emissions;

—
the applicable type-certification basis and environmental protection
requirements with which the applicant has to demonstrate compliance;

—
any other conditions or limitations prescribed for the product by EASA;

—
the applicable operational suitability data (OSD) certification basis;

—
the OSD; and

—
the TCDS for noise.

NOTE: OSD is only applicable to aircraft TCs and
not to engine or propeller TCs. Therefore, changes to OSD are only relevant
for changes to aircraft TCs.