The 43 meter long fishing vessel Alaskan Knight became disabled off Mary Island near Ketchikan, Alaska.   The Alaskan Knight had lost its propeller and gone adrift.  The crew shot a flare which was spotted by the fishing vessel Nancy Marie.  The Nancy Marie took the Alaskan Knight under tow back to Ketchikan.  The Coast Guard also dispatched a helicopter to the scene to investigate the report of the flare.   When the Alaskan Knight arrived in Ketchikan, the Coast Guard boarded the vessel and conducted an investigation.   No reports of injuries or pollution released.