Yes.
Part 91.609
c)(1)No person may operate a U.S. civil reg-istered, multiengine, turbine-powered airplane or rotorcraft having a passenger seating configura-tion, excluding any pilot seats of 10 or more that has been manufactured after October 11, 1991, unless it is equipped with one or more approved flight recorders that utilize a digital method of re-cording and storing data and a method of readily retrieving that data from the storage medium, that are capable of recording the data specified in Ap-pendix E to this part, for an airplane
(e) Unless otherwise authorized by the Admin-istrator, after October 11, 1991, no person may operate a U.S. civil registered multiengine, tur-bine-powered airplane or rotorcraft having a pas-senger seating configuration of six passengers or more and for which two pilots are required by type certification or operating rule unless it is equipped with an approved cockpit voice recorder