A.
F ollow STL 01D Departure to STL.
B.
After departure, fly heading 010 then resume own navigation to STL.
C.
F ollow STL 01D Departure initially, then fly heading 050, finally resume own navigation to STL.
D.
F ollow STL 01D Departure initially, then fly heading 010, ne xt turn right heading 050, finally resume own navigation to STL.