Long-term plan occurrence (resource codes LTOC, LTOCCOM)

Each LTP occurrence can contain these segments:
LTOC
Common segment. Only one must always exist.
LTOP
Operation segment.
LTCPRE
Conditional predecessor segment.
LTCSUC
Conditional successor segment.
LTPRE
Predecessor segment.
LTSUC
Successor segment.
LTEXT
External run cycle group for variable duration and deadline.