yes they do..

Posted by happyhols on Wednesday, 11. August 2010 at 11:38 Bali Time:

In Reply to: Jetstar flt? are they weighin carry on ? posted by kiwikevin on Wednesday, 11. August 2010 at 11:21 Bali Time:

and they are strict on it being 10kgs only!

Jetstar kiwikevin Wednesday, 11. August 2010 at 21:41 Bali Time (0)
Never had mine weighed either eom Jillie Wednesday, 11. August 2010 at 17:13 Bali Time (0)
Not always. I've never had mine Fiona Wednesday, 11. August 2010 at 15:42 Bali Time (0)