var draw_tcas_arrow_above_500 = func(group, lod=0) {
	group.createChild("path")
		.moveTo(0,-17)
		.vertTo(17)
		.lineTo(-10,0)
		.moveTo(0,17)
		.lineTo(10,0)
		.setColor(1,1,1)
		.setTranslation(25,0)
		.setStrokeLineWidth(3);

}