The 8436 dwt ferry Eira loaded with passengers and vehicles allided with the ferry pier while leaving  Flakk, Norway.    The Eira suffered damage to the propeller and a fuel tank was holed, but no passengers were injured.  The Eira returned to the dock and unloaded passengers and vehicles.   Authorities were contacted and booms were deployed as 1700 liters of oil was released from the punctured tank flowed into the harbour.    Reports state the Eira will require drydock for repairs.