The most common and most likely answer to this crossword clue is the 8 letter word AVIATION
I've seen this crossword clue in The Daily Telegraph
A
V
I
A
T
I
O
N
More clues leading to the result AVIATION
- Woman in drivers’ association newly into flying
- A classic way into swimming and flying
- Flying through divided country with no leader
- A way into reconditioned aircraft business
- Flying ace going through a bit of turbulence
- Flying first-class, accommodating five people without leader
- Pursuit of an ace?
- Advanced through jostling into flight
- A way into flying with the aircraft industry
- A way into free flight
Buddy explains!

The straight part
We know that "flight" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case flight = aviation.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 AVIATION mean?
AVIATION noun- The art or science of making and flying aircraft.
- Flying, operating, or operation of aircraft.
- Industry that produces aircraft.
- Aircraft
- A cocktail made with gin, maraschino liqueur, crème de violette and lemon juice