▁would ▁intercept ▁the ▁horizontal ▁line ▁at ▁the ▁M DA . ▁If ▁the ▁pilot ▁does ▁not ▁have ▁the ▁required ▁visual ▁reference ▁to ▁continue ▁the ▁descent ▁from ▁the ▁M DA ▁at ▁this ▁point , ▁he / she ▁must ▁continue ▁to ▁fly ▁at ▁or ▁above ▁the ▁M DA , ▁and ▁the ▁rapidly ▁ste ep ening ▁descent ▁angle ▁required ▁to ▁complete ▁a ▁successful ▁landing ▁on ▁the ▁run way ▁means ▁that ▁a ▁safe ▁and ▁successful ▁approach ▁becomes ▁less ▁likely . ▁ ▁The ▁concept ▁of ▁V DP ▁was ▁developed ▁by ▁the ▁F AA ▁to ▁encou rage ▁pil ots ▁to ▁decide ▁to ▁initi ate ▁a ▁missed ▁approach ▁prior ▁to ▁reaching ▁the ▁M AP , ▁in ▁a ▁situation ▁where ▁the ▁run way ▁or ▁its ▁environment ▁is ▁not ▁visible ▁at ▁a ▁normal ▁descent ▁angle . ▁Con vers ely , ▁if ▁the ▁run way ▁is ▁visible ▁at ▁the ▁V DP , ▁the ▁pilot ▁may ▁continue ▁descent , ▁following ▁a ▁standard ▁descent ▁angle ▁to ▁the ▁run way , ▁while ▁being ▁assured ▁terrain ▁and ▁obst acle ▁clear ance . ▁The ▁V DP ▁is ▁always ▁located ▁prior ▁to ▁reaching ▁the ▁M AP , ▁and ▁is ▁a ▁more ▁useful ▁check point ▁for ▁making ▁the ▁decision ▁whether ▁to ▁continue ▁on ▁the ▁approach ▁or ▁to ▁go ▁around ▁than ▁the ▁M AP ▁itself . ▁ ▁The ▁following ▁is ▁the ▁official ▁F AA ▁definition ▁of ▁V DP :" A ▁defined ▁point ▁on ▁the ▁final ▁approach ▁course ▁of ▁a ▁non prec ision ▁straight - in ▁approach ▁procedure ▁from ▁which ▁normal ▁descent ▁from ▁the ▁M DA ▁to ▁the ▁run way ▁touch down ▁point