The most common and most likely answer to this crossword clue is the 11 letter word INFORMATION
I've seen this crossword clue in Financial Times
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More clues leading to the result INFORMATION
Buddy explains!

The straight part
We know that "How an air display team appears/news" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case how an air display team appears/news = information.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does INFORMATION mean?
INFORMATION noun- That which resolves uncertainty; anything that answers the question of "what a given entity is".
- Things that are or can be known about a given topic; communicable knowledge of something.
- The act of informing or imparting knowledge; notification.
- A statement of criminal activity brought before a judge or magistrate; in the UK, used to inform a magistrate of an offence and request a warrant; in the US, an accusation brought before a judge without a grand jury indictment.
- The act of informing against someone, passing on incriminating knowledge; accusation.
- The systematic imparting of knowledge; education, training.
- The creation of form; the imparting of a given quality or characteristic; forming, animation.
- […] the meaning that a human assigns to data by means of the known conventions used in its representation.
- Divine inspiration.
- A service provided by telephone which provides listed telephone numbers of a subscriber.
- Any unambiguous abstract data, the smallest possible unit being the bit.
- As contrasted with data, information is processed to extract relevant data.
- (information technology) Any ordered sequence of symbols (or signals) (that could contain a message).