The 53 meter long passenger ship Adler Vienta allided with a pier on Usedom Island at Ahlbeck, Germany.  The Adler Vienta suffered damage to its hull and railings.  Three passengers were slightly injured.   The remaining 34 passengers and six crew safely disembarked.   The water police has launched an investigation.    Reports state the crew were given drug tests and the results were negative.   The Adler Vienta was later allowed to proceed on its voyage to Swinoujscie.