Ground visibility

Definitions

• Means prevailing horizontal visibility near the earth's surface as reported by the United States National Weather Service or an accredited observer.
• According to Title 14 of the Code of Federal Regulations, prevailing horizontal visibility near the earth’s surface as reported by the United States National Weather Service or an accredited observer.

References

• 14 C.F.R. Part 1, Federal Aviation Administration, 2026
• Balloon Flying Handbook, Federal Aviation Administration, 2024