In article . net,
"Matthew P. Cummings" wrote:

~11 lbs and it can't come out without a logbook entry because you'll have
to redo the W&B, but you're right in that it's only a couple screws and
bolts and is easily done. It's not a common option.

I had removable rear seats in my 182. I also removed the right front
seat when hauling jumpers. I had the W&B done to show all three
configurations.

--
Dale L. Falk

There is nothing - absolutely nothing - half so much worth doing
as simply messing around with airplanes.

http://home.gci.net/~sncdfalk/flying.html