Improve Pilot balloon meaning in Urdu

Is there any meaning of the word pilot balloon that needs an edit? Please click that meaning to rewrite it.

پائلٹ بیلون

Is there any meaning of the word pilot balloon that needs to be removed from the list? Please click that meaning to mark it for deletion.

پائلٹ بیلون

Do you want to add a new meaning, definition, and a sentence of the word pilot balloon? Please feel free to add.