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AFVA 13-221 — Control Tower Light Signals Signal for Aircraft for Vehicles Steady Green Cleared to Land Cleared to Cross Cleared for Takeoff Flashing Green Return for Landing Not Applicable Cleared to Taxi Steady Red Give Way to Aircraft Stop Stop Flashing Red Airport Unsafe Clear Runway Clear Runway Flashing White Return to Starting Point on Airport a Rl Et De &r N Ga Rt Ein Eng Eg Xe En Re Cr Isa El Ew Xa Tr Rn Ei Mn Eg S Aig Un Tia Ol

AFVA 13-221 is not in the current catalog Not in the current catalog
No current publication under this number appears in the AF e-Publishing catalog (our index refresh of 2026-10-05) — we find no successor to link. If it was replaced, the successor may use a different number or series: check the subject on AF e-Publishing or search this site. Do not cite this edition as current guidance.

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BranchU.S. Air Force
SeriesAFVA
Publication dateNot listed
StatusNot in the current catalog
Proponent / OPRHAF
Source of recordAF e-Publishing
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This is an unofficial index built from the public catalog. The controlling copy is always the one on AF e-Publishing — verify there before citing AFVA 13-221 in an official product.