Short Final: Party Balloons

Cleveland Center: Airliner xyz, turn right heading xxx to intercept the localizer, cleared for the RNAV xx approach at XXX. Use caution for party balloons on the final approach course at around 2,100 feet.

Cleveland Center: Airliner xyz, turn right heading xxx to intercept the localizer, cleared for the RNAV xx approach at XXX. Use caution for party balloons on the final approach course at around 2,100 feet.

Airliner xyz: Party balloons?

Cleveland Center: Yes a previous arrival told us he saw a group of party balloons at about 2,100 feet on the RNAV xx aproach course at 2,100 feet?

Airliner xyz: Party balloons?!

Cleveland Center: That's what they said.

Airliner xyz: Airliner xyz cleared RNAV xx at XXX. Will be looking for "traffic."

Dr. Arnold L. Goldman