Sectional Charts
In a sectional airport data block the entry '45' appears after the field elevation and lighting symbol. It means the longest runway is about:
Answer
4,500 feet long
The Chart User's Guide airport data legend defines that entry as the length of the longest runway in hundreds of feet, adding that usable length may be less. So 45 is roughly 4,500 feet.
Source: Chart User's Guide, Airports legend
Not the answer
- 45 nautical miles from the nearest VOR
- 450 feet long
- 45 feet wide
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