Ko te PAR38 MALSR te tikanga mō te "Medium Intensity Approach Light System with Runway Arrangement Indicator Lights". He hua āwhina rererangi tēnei e whakamahia ana hei ārahi me te tohu i te wā e tau ana te waka rererangi. He maha ngā wā ka whakauruhia he raupapa rama ki ngā taha e rua o te ara rererangi hei whakaatu i te ara whakatata me te tohu i te tūnga whakapae o te waka rererangi. Ko te PAR38 e pā ana ki te rahi me te āhua o te pūangi, koinei tētahi o ngā whakaritenga mō ngā pūangi PAR rama o waho. Ko te tikanga ka whakamahia e ēnei pūangi te whakaata, te whakaata rānei hei whakarato i ngā koki hihi me ngā pānga whakamārama motuhake.