☑️ Jeppesen Syllabus :
I - incompletee
items incomplete / out of time
can only be done once, as the first session of a given lesson (then U or S only)
U - unsatisfactory
items remain incomplete after first Incomplete ( no fault - time issue )
or complete but not meeting lesson Completion Standards listed in syllabus
S - satisfactory
items complete and meeting lesson Completion Standards listed in syllabus
NOTE : repeat lessons, once S, cannot be marked I or U