The most common and most likely answer to this crossword clue is the 10 letter word HELICOPTER
I've seen this crossword clue in Independent
H
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More clues leading to the result HELICOPTER
- Air transport moving the police, right?
- Triple-echo interfered with surveillance equipment?
- The police needing to travel by air ultimately? Here's the answer
- Cheer pilot flying aircraft
- Hitler and Luftwaffe finally prepared to keep officer in aircraft
- Nervously cheer pilot in flying machine
- The police operation needs right transport
- The police broke rule for a Chinook
- Flier the police distributed close to Manchester
- Chopped hot recipe holding large chopper …
Buddy explains!

The straight part
We know that "aircraft" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case aircraft = helicopter.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 HELICOPTER mean?
HELICOPTER noun- An aircraft that is borne along by one or more sets of long rotating blades which allow it to hover, move in any direction including reverse, or land; and typically having a smaller set of blades on its tail that stabilize the aircraft.
- A powered troweling machine with spinning blades used to spread concrete.
- The winged fruit of certain trees, such as ash, elm, and maple.
- A dragonfly.
- A whirling trick performed with devil sticks.
- To transport by helicopter.
- To travel by helicopter.
- To rotate like a helicopter blade.
- To overprotect one's children.