Originally Posted by
Jasper2009
The overhead bins on the DH4 are designed to accommodate anything that easily fits into the sizers youŽll find at the airport, but if your rollaboard is just marginally larger it wonŽt fit inside.
This. I have the Tumi Alpha International Zippered Expandable Carry-on. It fits into the sizers no problem. But on the DH4 bins, it just fits with a bit of space left, but it takes a tiny amount of fiddling due to the bin door. They're basically the size of the CRA bins, maybe a tad smaller.