The pilot due to fly a 'Moyes Out' banner over Old Trafford on Saturday said he would also carry a banner in support of the manager if he was asked to.
Speaking to ITV News sports correspondent Ian Payne, Chris Mustow said his company Air Ads had declined some "colourful" requests for messages in the past.
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Oliver Letwin MP, who was in charge of Brexit negotiations for two weeks, tells ITV News what he thinks will be easy and what will be hard.
Theresa May's decision to delay green-lighting Hinkley nuclear plant has put noses out of joint. But EDF is confident it will go ahead.
Highs of 23C at best in the afternoon sunshine but feeling cooler in the mornings and the evenings.