Standard Practice for Visual Signals Between Persons on the Ground and in Aircraft During Ground Emergencies

Published by	Publication Date	Number of Pages
ASTM	04/01/2019	3

Category: ASTM

Description

ASTM F1591 – Standard Practice for Visual Signals Between Persons on the Ground and in Aircraft During Ground Emergencies

1.1 This practice covers the signals to be used between persons on the ground and in aircraft when two-way voice communications cannot be established during ground emergencies. Ground signals are limited to land-based ones that do not require special equipment. Flare, light, panel, and maritime signals are specifically excluded.