--S27 Export Arrivals
if not atc_arrow then return end
if not F.has_rc("S27_SHUNTER") then return end
if train_length() == 1 then --return loco to storage via N headshunt (backwards)
	F.add_rc({
		"S27_EXP_LOCOSTORE",
		"S27_EXP_HS_N",
	})
	atc_send("S0WD3RS3")
	return
end
if not F.has_rc("S27_EXPORT_ACTIVE") then --train has just arrived. run around
	split_off_locomotive("A0B0",1)
	F.add_rc({
		"S27_EXPORT_ACTIVE",
		"S27_EXP_HS_S",
		"S27_EXP_AROUND",
		"S27_EXP_HS_N",
		"S27_EXP_HS_N_AC",
		"S27_EXP_DIR_ARRIVALS"
	})
	return
end
F.remove_rc("S27_EXP_AROUND")
atc_send("S0WD3RS1") --bounce the train