http://www.marinelink.com/news/sperry-marine-to-supply-s-vdrs-for-teekay-vessels/sperry-marine-to-supply-s-vdrs-for-teekay-vessels311749
Sperry Marine to Supply S-VDRs for Teekay Vessels
Northrop Grumman Corporation has been selected to supply simplified voyage data recorders (S-VDR) for 59 Teekay Shipping vessels.