Here's a Great Chance to be reminded of them all :-)
I believe this kind of detailed add-ons are special for those who had the chance of flying the real thing.
For us simple simmers it's also a great source of feedback on how the systems and the feels are done.
I have a question for the 747 drivers 😉
X-Plane's Experimental flight dynamics model has been simulating a pitching down effect due to tail closure to the ground just before landing, causing the local ground effect ( of the tail - horizontal stabilizer / elevators ) to create that pitching moment. Austin says he started simulating this based on some paper and flight tests he had access to for a Boeing 707.
Assuming no brisk power reduction just prior to touch down, which would easily account for the pitching down moment, is this effect realistic in a 747 ? Maybe you still recall those thousands of manual landings and offer your precious comments / observations ... Do you remember having to pull the yoke ?