CFI-to-CFI Newsletter - Volume 7, Issue 3 - 30

CHART CHALLENGE

HOW LONG IS THE RUNWAY? BY MACHTELD SMITH
YOU PROBABLY KNOW THAT THE BLUE
AND MAGENTA COLORS DIFFERENTIATE

between towered and non-towered airports,
respectively. But why is there a distinction
between airports with hard-surface runways
greater than 8,069 feet in length and those
that are 1,500 to 8,069 feet in length? What's
so magic about those numbers?
It has everything to do with the chart scale
and the available chart symbol sizes. Runways
up to 8,069 are enclosed in the familiar
circular airport symbol. But, according to the
FAA's Aeronautical Information Services,
if a runway is longer than 8,069 feet the
representative line is too long to fit into the
largest circular airport symbol available.

Therefore, charting specialists outline the
runway pattern, forming a polygon (enclosed
shape) for anything over 8,069 feet in length.
But beware; specialists also place these
polygons around the runway pattern of
airports with multiple runways that are less
than 8,069 feet, in cases where the multiple
runway pattern does not fit into the largest,
circular airport symbol-as seen here at
Kingman Airport.
Machteld Smith is an aviation technical
writer for the Air Safety Institute. She holds a
commercial pilot certificate with multiengine,
instrument, and seaplane ratings.



Table of Contents for the Digital Edition of CFI-to-CFI Newsletter - Volume 7, Issue 3

https://www.nxtbook.com/nxtbooks/aopa/cfi_vol14issue4
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol14issue3
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol14issue2
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol14issue1
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol13issue4
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol13issue3
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol13issue2
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol13issue1
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol12issue4
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol12issue3
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol12issue2
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol12issue1
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol11issue4
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol11issue3
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol11issue2
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol11issue1
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol10issue4
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol10issue3
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol10issue2
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol10issue1
https://www.nxtbook.com/nxtbooks/aopa/flashcards_2019
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol9issue4
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol9issue3
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol9issue2
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol9issue1
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol8issue4
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol8issue3
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol8issue2
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol8issue1
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol7issue4
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol7issue3
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol7issue2
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol7issue1
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol6issue4
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol6issue3
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol6issue2
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol6issue1
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol5issue4
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol5issue3
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol5issue2
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol5issue1
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol4issue4
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol4issue3
https://www.nxtbook.com/nxtbooks/aopa/flashcards_201310
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol4issue2
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol4issue1
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol3issue3
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol3issue2
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol3issue1
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol2issue4
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol2issue3
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol2issue2
https://www.nxtbook.com/nxtbooks/aopa/cfi_vol2issue1
https://www.nxtbook.com/nxtbooks/aopa/cfi_201011
https://www.nxtbook.com/nxtbooks/aopa/cfi_201009
https://www.nxtbookmedia.com