Study Guide for Applicants to the Fourth-class Engineer Certificate with STCW Endorsement is available in PDF format (file size 642.41 KB) which will download in approximately 3 minutes and 2 seconds on a 28.8 connection and may be viewed using Acrobat Reader (version 3.0 or higher). This reader is available free of charge. Please visit the Adobe’s web site where you can download the Acrobat Reader.