What's all the fuss about? 5 mile error in 4,400 miles is pretty good.
Back in about 66 or 67, one of the first F111 in UK visited Cottesmore to show the V-crews there the shiny new jet that we had just ordered.
"And coming in from the east is the USAF F111 . . . "
Long, long pause then, 400 k heading 080 one F111 low and fastish disappeared into the clear blue countryside only to return and land about 10 minutes later
"Why did you come in from the WEST when we were told you were coming from the EAST?"
"You put Wittering in the computer; it goes to Wittering."
They had taken the position off the chart, maybe the Buff crew did too.
Years later, pair of Vikings out of ISK for one of the flat tops came close to ditching/diverting to Sumburgh when one of the Brit pilot pax said "Isn't is supposed to be WEST?" The USN had never flown across the Greenwich meridian.