🔍 Key Concepts

• Range lights are designed so that when they appear in a vertical line, your vessel is exactly on the intended track • If the upper (rear) range light appears directly above the lower (front) range light, you are correctly aligned with the range line • Think about what it means if the range lights shift left or right relative to each other and how that tells you which way you are off course

💭 Think About

• Ask yourself: If the lights are perfectly one above the other, does that show you are on course or off course? • Consider: Do you steer toward the direction of the upper light or away from it when they are NOT lined up? How does that compare to this situation? • Think about the purpose of range lights: are they meant to signal when to change course, or to confirm that your present course is correct?

✅ Before You Answer

• Verify that vertical alignment of the two range lights means you are exactly on the range line • Confirm that no lateral displacement (upper light appearing to one side of the lower) is described in the question • Check whether any change in course is needed when the range already shows a perfect alignment