Originally Posted by
Ka-2b Pilot
CVRs/FDRs can come in different shapes/sizes.
More so than I realised - this is what threw me (I won't embed the pic because it's 1300px wide):
http://www.fineksaviation.com/images...0all%20FDR.jpg
Second from left is a CVR, third from left is FDR - it's all in the length.