The PO said they were 1.3 miles from BLKMO.
He then said "small target six miles at eleven o'clock".
Then "Large, out to the right there"
PF replied "A small little island... that's BLMO itself".
So her BLMO comment cannot refer to the six mile target,as 1.3 had already been given as distance.
So she either pointed at something they had visual on. Or she pointed at his radar display or her own map display. What she pointed at could be the "Large, out to the right" what she thought was BLKMO.
Then the guy in the back said "Come right"
She asked for confirmation. She thought BLKMO was to the right.
I think it could have been Achill that was mistaken for Black Rock, as Black Rock was, of course, right in front of them.