What is the term for the distance between adjacent parallel legs within a search area?

• A. Track spacing
• B. Line spacing
• C. Leg distance
• D. Span between legs

Answer: (A)

Track spacing is the distance between adjacent parallel flight paths in a search area. It’s measured perpendicular to the direction of travel and determines how much of the area each pass covers—the smaller the spacing, the greater the coverage and chance of detection, though it requires more time and fuel. This is the standard term for the distance between parallel legs in a search pattern; the other terms refer to different concepts or aren’t used in this context.