Judah wrote:

[...] What some here may not realize is how fragile the radar
antenna can be. [...] I would not risk plain old packing peanuts
or bubble wrap, if the box being held sideways or upside down
causes a load upon these parts.

What happens in turbulence?

Clearly, it can handle that, but then it has only a few
ounces/decagrams of mass (the fragile mast in the middle) to move
along. If one tries to push the ten-pound magnetron/etc. disc through
the mast, a hundred times as much force would pass through the part.

- FChE