In CS-ETSO, there is no specification related to ICA, neither in Subpart A, nor in each specific ETSO.
Although an ETSO article itself typically does not require ICA, the applicable airworthiness standards may require the design approval holder (DAH) or the design approval applicant (DAA) who install an ETSO article into their product to develop ICA that describe an ETSO article’s installation requirements, within the context of the product, to the extent necessary to ensure the product’s continued airworthiness.
In addition, if the DAH or the DAA who install an ETSO article into their product explicitly uses ETSO provisions to demonstrate compliance with an installation requirement, they should review all the maintenance and inspection instructions for the particular ETSO article when defining the ICA of the product.
It may be necessary for the DAH or the DAA to incorporate these instructions into the ICA of the product to ensure that the ETSO article continues to satisfy the terms of its ETSO authorisation after installation.
Any DAH or DAA who wishes to install an ETSO article should comply with point 21.A.303.
For this, the applicant for an ETSO authorisation may provide by the time of the application and before the authorisation is issued (in accordance with point 21.A.605) the following:
— instructions that cover periodic maintenance, calibration, and repair for the continued airworthiness of the article, including specific guidance on the limits of wear and damage that would warrant replacement;
— the recommended inspection intervals, which may be affected by storage and operating conditions (i.e. temperature, humidity, etc.).
Guidance on ETSO authorisation holders' obligations: developing product ICA, reviewing ETSO article instructions, and providing maintenance, calibration, repair, and inspection interval instructions.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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