Whirl twig around welcoming back rub for pilot (6,6)
'pilot' is the definition.
(one or the Wright brothers)
'whirl twig around welcoming back rub' is the wordplay.
'around' is an anagram indicator.
'welcoming' means one lot of letters goes inside another (in sense of 'inviting in').
'back' shows that the letters should be reversed in order.
'rub' reversed gives 'bur'.
'whirltwig' anagrammed gives 'wilwright'.
'wilwright' going around 'bur' is 'WILBUR WRIGHT'.
'for' is the link.