8/15/19 AIM  NEED MEDICAL ASSISTANCE-URGENT Used only when life is at stake CAN PROCEED SHORTLY WAIT IF PRACTICABLE One arm horizontal ALL OK-DO NOT WAIT Wave one arm overhead NEED MECHANICAL HELP OR PARTS - LONG DELAY Both arms horizontal FIG 6 − 2 − 6 Long Delay FIG 6 − 2 − 4 All OK FIG 6 − 2 − 3 Urgent Medical Assistance FIG 6 − 2 − 5 Short Delay 6 − 2 − 8 Emergency Services Available to Pilots