1 0 2 Signals Hand Signals In the past most helicopt er or fx edwing operat or s did no t acq uaint passenger s with air t ogr ound or gr oundt oair signals that should be used f or communication pur poses As per W or k Saf eBC regulation in addition t o tw ow a y radio communications fight cre ws and gr ound cre ws must be able t o communicat e with signals start engines cut engines turn left turn right come forward move back normal stop emergency stop slow down slow dow n on indicate d side place yourself facing me proceed connect to ground power disconnect ground pow er all clear negative remove chock insert chock set brakes release brakes Cour t esy Great Sla v e Helicopt er s