Originally Posted by
dixi188
Not familiar with the A330 procedures but why not extend the RAT for approach and landing. The system diagram I am looking at shows it in the Blue system.
That's the A320, where blue system is electric or RAT, no engines.
A330 RAT is on the green system, normally driven by both engines. A340 is the same except engines 1&4.
Image lifted from search engine cache of what looks like a failed garbage website.
It doesn't look like there's a priority valve on yellow or blue hydraulics.