The most common and most likely answer to this crossword clue is the 4 plus 4 letter word NOSE CONE
I've seen this crossword clue in The Guardian
N
O
S
E
C
O
N
E
More clues leading to the result NOSE CONE
- Express knows about unit that makes flight easier
- Part of rocket, one shaped to receive most of support
- Nobody grasps second missile’s point
- Nobody keeps dry in front of aircraft
- Who’s on an unmanned spacecraft keeping dry part of the rocket?
- Head of Enterprise perhaps nobody detains a short time
- Not a soul has kept dry in front of aircraft
Buddy explains!
The straight part
We know that "unit that makes flight easier" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case unit that makes flight easier = nose cone.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.