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Multiple Choice

Distance from BOOSI to Sidon?

On enroute navigation charts, the distance you use between two fixes is the leg distance published along the airway between them. Look at the segment from BOOSI to Sidon and read the published distance for that leg—that value is 42 nautical miles. This is the distance used for time, speed, and fuel planning because it reflects the actual length of the route along the airway, not a straight-line line-of-sight distance. If you flew directly between the fixes off the airway, the distance could differ, but the published leg distance is the official figure for the route you’d follow. The other numbers correspond to different legs or to direct-line estimates that aren’t the published airway distance. So the correct distance is 42 nautical miles.

On enroute navigation charts, the distance you use between two fixes is the leg distance published along the airway between them. Look at the segment from BOOSI to Sidon and read the published distance for that leg—that value is 42 nautical miles. This is the distance used for time, speed, and fuel planning because it reflects the actual length of the route along the airway, not a straight-line line-of-sight distance. If you flew directly between the fixes off the airway, the distance could differ, but the published leg distance is the official figure for the route you’d follow. The other numbers correspond to different legs or to direct-line estimates that aren’t the published airway distance. So the correct distance is 42 nautical miles.