FIG 6-2-3 FIG 6-2-5
Urgent Medical Assistance Short Delay

NEED MEDICAL
ASSISTANCE-URGENT
Used only when life is at stake

FIG 6-2-4
All OK CAN PROCEED SHORTLY
WAIT IF PRACTICABLE
One arm horizontal

FIG 6-2-6
Long Delay

ALL OK-DO NOT WAIT

Wave one arm overhead
NEED MECHANICAL HELP
OR PARTS - LONG DELAY
Both arms horizontal