Originally Posted by
Takwis
"Furthermore, the additional crew procedures and training material will clearly explain to pilots the situations where use of the trim wheel may be needed due to lack of trim authority with the wheel mounted switches."
Some decades ago...
Speaking of decades, what was the date on that document?
The Explanatory Note is an addendum to this EASA Type Certificate document dated December 17, 2018:
https://www.easa.europa.eu/sites/def...20rev%2017.pdf
According to a Reuters article the Note dates back to February 2016:
The undated EASA certification document, available online, was issued in February 2016, an agency spokesman said.
https://mobile.reuters.com/article/amp/idUSKCN1RA0DP