The document outlines standard hand signals for controlling crane operations. It provides illustrations and descriptions of various signals including: hoisting with arms raised in small circles; lowering with arms extended downward in small circles; tapping the head to signal using the main hoist; tapping the elbow to signal using the whip line; pointing thumb upward to raise the boom; pointing thumb downward to lower the boom; moving one hand slowly in front of the other to signal moving slowly; flexing fingers in and out with thumb pointed up or down to raise or lower the boom and load; pointing to signal swinging direction; holding the palm down to signal stopping; rapidly moving the palm down hand for emergency stopping; pushing the hand forward to signal travel; pointing thumbs

1. HOIST. Forearm vertical, forefinger
pointing up, move hand in small
horizontal circles.
LOWER. Arm extended downward,
forefinger pointing down, move
hand in small horizontal circles.
USE MAIN HOIST. Tap fist on head;
then use regular signals.
STANDARD HAND SIGNALS FOR
CONTROLLING CRANE OPERATIONS
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2. USE WHIPLINE. Tap elbow with
one hand; then use regular signals.
RAISE BOOM. Arm extended,
fingers closed, thumb pointing
upward.
LOWER BOOM. Arm extended,
fingers closed, thumb pointing
down.
STANDARD HAND SIGNALS FOR
CONTROLLING CRANE OPERATIONS (cont.)
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3. STANDARD HAND SIGNALS FOR
CONTROLLING CRANE OPERATIONS (cont.)
MOVE SLOWLY. One hand
gives motion signal, other
hand motionless in front of
hand giving the motion signal.
RAISE THE BOOM AND LOWER
THE LOAD. Arm extended, thumb
pointing up, flex fingers in and out.
LOWER THE BOOM AND
RAISE THE LOAD. Arm extended,
thumb pointing down, flex fingers
in and out.
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4. STANDARD HAND SIGNALS FOR
CONTROLLING CRANE OPERATIONS (cont.)
SWING. Arm extended, point
with finger in direction of swing.
STOP. Arm extended, palm
down, hold.
EMERGENCY STOP. Arm
extended, palm down, move
hand rapidly right and left.
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5. STANDARD HAND SIGNALS FOR
CONTROLLING CRANE OPERATIONS (cont.)
TRAVEL. Arm extended forward,
hand open and slightly raised,
pushing motion in direction of travel.
EXTEND BOOM. Both fists in
front of body with thumbs pointing
outward.
RETRACT BOOM. Both fists in
front of body with thumbs pointing
toward each other.
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