Directors of Los Angeles-based Whittaker Corp. approved...

Directors of Los Angeles-based Whittaker Corp. approved a series of anti-takeover actions . . . Sonat Inc. has agreed to buy a half interest in the Florida Gas Transmission subsidiary of HNG InterNorth for about $360 million . . . World Airways has decided to end flights to Oakland, its headquarters city . . . The Treasury Department announced that Barnett Banks of Florida has agreed to pay a $112,000 fine for failure to report currency transactions.