🔍 Key Concepts

• Reading distances off a chart using the latitude scale • Understanding what "abeam" means in relation to a fixed object • Perpendicular distance from your track line to an aid to navigation

💭 Think About

• On your chart, where is the track line in relation to New Point Comfort Spit Light "4" when you are abeam of it? • How can you measure the shortest distance from your track line to the light at that abeam position? • Which chart scale (latitude or longitude) should you use to get an accurate distance in nautical miles?

✅ Before You Answer

• Confirm you are measuring the perpendicular distance from the track line to the light, not along the track line • Use the latitude scale on the side of the chart to convert your measured distance to nautical miles • Double-check that you are identifying the point on your track where the light is exactly abeam (90° off your bow)