Answer: skywriter

AnswerCrossword Clue
SKYWRITERAirborne adman
SKYWRITERAviator of a sort.
SKYWRITERAdvertiser of a sort.
SKYWRITERAirborne ad maker
skywriterone who skywrites
skywriterto produce (a message, advertisement, etc.) by skywriting
skywriterto engage in skywriting