[ALPAPilot]

and planes just don't hit the water and easily descend below the waves without stuff coming out.

Yes they do; nothing came off the U.S. Airways plane that landed in the Hudson.

[Finny]

Judging by your handle, you would know — what’s the likelihood of spotting debris? Didn’t it go down in open sea? The ocean is an awful big place.

[DJlaysitup]

Yes they do; nothing came off the U.S. Airways plane that landed in the Hudson.

You don't know that...actually both the (low hanging) engines came off of a plane a third of the size of a 777 and it took a hero pilot to do it.

[Kirkwood]

I'm unsure about stuff coming off, but stuff certainly came out of the plane. Here we see some stuff floating, but even more so when it sank and rolled with the doors open.