Definition
In the eights-around-pylons ground reference maneuver, pylons are two prominent ground objects (such as silos, isolated trees, road intersections, or small buildings) selected by the pilot as fixed pivot points around which the airplane is flown in a figure-eight pattern while compensating for wind drift.
Plain English
Pylons are two landmarks on the ground that the pilot picks out and flies around in a figure-eight shape, using them as turning points.
Context Anchor
Seen in ground-reference maneuver training, especially when learning eights around pylons.
Derivation
From the Greek 'pylon,' meaning 'gateway' or 'monumental gate.' In aviation, the word was borrowed from early air racing, where tall markers were placed on the ground for racers to fly around. The 'gateway' sense fits because the airplane turns at each marker as if rounding a post.
Why Pilots Care
This maneuver trains precise bank-angle control, airspeed management, and wind correction while flying close to the ground.
Grounding Statement
A pylon is simply a fixed ground point the pilot can keep track of while maneuvering around it.
Intuition Check
Do not assume a pylon must be a tower, pole, or airport structure. Here, a pylon is any suitable fixed ground point chosen as a visual reference.
Example Sentence 1
The instructor told the student to choose two pylons about half a mile apart and begin the eights-around-pylons maneuver from a downwind entry.
Example Sentence 2
Maintaining the same distance from each pylon requires changing the bank angle smoothly as the wind shifts direction.