Geographical overview and charlets of the Great Barrier Reef Inner Route—Booby Island to Cairns. 30 January 2019 Print Related content Uniform waypoints—Inner Route north and south Great North East Channel planning chartlets Hydrographers Passage planning chartlets Documents Geographical overview of Inner Route chatlets 291.71 KB ) Complete set of Inner Route planning chartlets—Booby Island to Cairns 4.08 MB ) Chartlet numbers 1-18—Planning chartlets for the Inner Route 356.73 KB ) Chartlet numbers 18-29—Planning chartlets for the Inner Route 296.06 KB ) Print Print Last updated: 3 August 2020