pictures are a bit small... but if you watch closely: NO open parts in the top row... that means NO way through this thing.
LOD level is relative to distance
Lower rith picture shows that the thing is modeled like a box...


Amphibious sea fury... too low


Trying to  take it slower, max flaps... doesnt matter.


Conclusion: the guys who succeed in doing this either have a different version, or are using the latter is more likely

It's pretty much a given you have to turn the crash realism off.  I think I even said that in my original challenge.