Be aware that contributors here are not Apple Support - but are all end-Users just like you. That said, many contributors are knowledgeable long-time users that offer help where they are able to offer constructive advice and/or guidance.
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Returning to your request, the following resources may be helpful:
https://nbaa.org/aircraft-operations/communications-navigation-surveillance-cns/electronic-flight-bags/apple-issues-new-compliance-data-for-ipad-efb/
https://www.easa.europa.eu/downloads/17142/en
https://www.faa.gov/other_visit/aviation_industry/airline_operators/airline_safety/info/all_infos/media/2011/InFO11011.pdf