I repeat that it flies in and no-clips through the floor and I don't know why.

this appears to happen most often in tight spaces

happens to me too.

I have been able to get it fine on the free roaming areas (outpost, planets, etc), but in missions and arenas it flies through the floor

on planets for me it just flies through the ground, it even flies through my ship. infact once I dug down to find it, I did but it was still in the flying down position

Try flattening out and filling in the area where you spawn it in. Seemed to work for me!

I am having the same problem it drops through the ground and disapears. maybe it's messed up becuase of the new updates.

Happening to me all the time no matter where i spawn it. Falls all the way through the planet and dies in the core.

happens to me too .it only works in the ark

I chased it down and it landed but it's frozen in that stance. it falls though.
http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=1335669191

I wanted to fight the ruin with it but even on top of the ruin it flies down

Hello!

If i'm on a planet and call the mecharachnid, it just flies strait through the surface.
In the Outpost its working for some reason.
I wonder if it has to do with proteckted surfaces.
I'm not sure if this is cused by the original mod or by the "mecharachnid tweak"-mod

On the mountain world i was, i found a protected dungeon of the apex. the mecharachnid landed problem less. after landing on the protected ground i tryed nonprotected ground.
I go back to my homeworld and try it there to.
i wonder if it was a turn-your-game-on-and-of-thing.

Ok, it can't land on original-surface-blocks (blocks that weren't thouched by the player).
Removing just one original block is enough to land on the block below the removed block.
And i can't repair more than one mecharachnid. I have to drop the repaired one befor i can repair the next.

Yeah it can land on not-suface-blocks and protected blocks.

try makeing a solid platform mine was 42 x 2 and it worked