Morse Code
Ground Signals
Hand Signals
100

A

Dot Dash


100

Yes

Y

100

Need Medical Assistance

Laying On The Ground

200

1

Dot Dash x 4

200

No

N

200

All Okay

Raise One Hand

300

SOS

Dot x 3 Dash x 3 Dot x 3

300

Unable To Proceed

X

300

Pick Us Up

Raise Both Hands

400

HELP

......-...--.

400

Require Doctor


I

400

No

Demonstrate Action

500

MAYDAY

--.--.---...--.--

500

Indicate Direction 

To Proceed


K

500

Yes

Demonstrate Action

M
e
n
u