Use the standard hand signals shown below.
If communication between you and your signalperson is
lost, stop craning operations until the problem is cleared
Watch the load at all times. Watch
signalperson and/or load while it is moving. In case you
Use only one qualified signalperson whenever your
vision is blocked and follow his directions. But. . .
. . . .Obey a signal to stop from anyone.
Standard Hand Signals