Catalysis of the reaction:1-(1,2-saturated alkyl)-2-acyl-sn-glycero-3-phosphoethanolamine + 2 Fe(II)- + 2 H+ + O2 = 1-O-(1Z-alkenyl)-2-acyl-sn-glycero-3-phosphoethanolamine + 2 Fe(III)- + 2 H2O.
alkylacylglycero-phosphorylethanolamine dehydrogenase activity