|Note_en=from the indication present in [[:File:1924-Aurora-ARA-4.jpg|this variant]]. Advertising for the [[A.R.A.|A.R.A. 4]] model. | |Note_en=from the indication present in [[:File:1924-Aurora-ARA-4.jpg|this variant]]. Advertising for the [[A.R.A.|A.R.A. 4]] model. |