‘The accuracy of the actual wind’ is a meaningless statement; the wind
is the wind but to construct our DR position we are relying on an estimate of
the wind or forecast wind because we don’t know for sure what the actual wind
is. Statements “the accuracy of the adjustment of the position
lines for the motion of theaircraft between the last fix and the
DR-position”.and “the accuracy of the adjustment of the position lines for the
motion of the aircraft between the last and the new DR-positio” infer that position
lines have been obtained since the last fix which means that we are able to
positively fix the aircraft’s position rather than rely on en estimated, or DR,
position.