Steve6443
Yes, you are quite right, this is the critical point.
However, we are also aware that, without such agreements and in the absence of a transition period, UK parts fitted to EU-registered aircraft will no longer be validly certified, the aerospace industries and airline operations of the EU Member States will be as badly affected as UK enterprises.
It is now going to be very interesting to see whether the balance of negotiating power between EU and UK is tilted to a more even level or whether, as
VinRouge writes:
(This) can be resolved by them with the flick of of a pen, generating a temporary fix for EU operators/part 145 organisations and AOCs. They are the regulator. Whilst the UK has no vote, no in and no ways of negotiating an arrangement for its licence holding organisations and people in the time remaining.
Watch this space, as they say.