We present the fourth portion of a Galactic Plane survey of methanol masers at 6668MHz, spanning the longitude range 186◦ to 330◦. We report 207 maser detections, 89 new to the survey. This completes the southern sky part of the Methanol Multibeam survey and includes a large proportion of new sources, 43%. We also include results from blind observations of the Orion–Monoceros star forming regio...
