Boating is fun… we’ll show you how America’s Boating Course 3 rd Edition 1 Finding Your Way Chapter 3 Section 9 Presented by the St Paul Sail and Power Squadron

Boating is fun… we’ll show you how Charts & Maps Both show scaled representations of earth Maps cover terrestrial areas Charts cover water areas Charts show Underwater features Features for boaters 2 Charts of local waters are required for safety

Boating is fun… we’ll show you how Charts Depth shown in ft, meters, fathoms Depth colors Contour lines Navigation Aides Channels 3

Boating is fun… we’ll show you how Typical Chart 1:600,000 4

Boating is fun… we’ll show you how Typical Chart 1:120,000 5

Boating is fun… we’ll show you how Typical Chart 1:60,000 6

Boating is fun… we’ll show you how Typical Chart 1:10,000 7

Boating is fun… we’ll show you how Piloting Navigation using landmarks, NAVAIDS Dead Reckoning – speed, time, distance** 8 **Introduced in other USPS courses

Boating is fun… we’ll show you how Obstacles Looks like you can go anywhere Obstacles above & below water Waypoint – position stored in a GPS Route – sequence of waypoints Route avoids obstacles 9

Boating is fun… we’ll show you how Plot straight legs between waypoints Legs have unique direction (course) Using Waypoints 10 WP001 WP002 WP003 C 123 C 090

Boating is fun… we’ll show you how GPS 11 Reduces effort in determining locationUses Latitude & LongitudeGreat Potential PrecisionKnows where you are!Use traditional means to check

Boating is fun… we’ll show you how Digital Charting 12 Pre-plan routes: computer or chartplotterStore waypoints from courseRoute can be uploaded to GPSDislays position on chartSoftware can provide live navigation

Boating is fun… we’ll show you how Typical Depth Sounder Essential device Aids navigation Compare depth readings to chart 13

Boating is fun… we’ll show you how End Section 9 14