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AI.IX.F.K1FAA-S-ACS-25 · Nov 2023Knowledge

Purpose of and procedures for eights on pylons.

ACS element text (the applicant demonstrates understanding of)

Purpose of and procedures for eights on pylons.

Bottom line

The eights on pylons is the most advanced and difficult of the ground-reference maneuvers. Similar to eights around pylons except altitude is varied to maintain a specific visual reference to the pivot points.

Key numbers

Key numbers for Purpose of and procedures for eights on pylons.
NumberWhat it means
3 to 5 seconds of straight-and-level flight between the pylonsSegment time
groundspeed squared ÷ 15 (mph) or ÷ 11.3 (knots), plus reference MSLRule of thumb

FAA references

  1. AFH ch. 7 (pp. 7-14–7-16) — FAA-H-8083-3C
  2. AFH ch. 7 (pp. 7-16–7-17) — FAA-H-8083-3C
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