Aussie skippers finally inspect Harrier crash site (5)
I believe the answer is:
roost
'harrier crash site' is the definition.
I can't judge whether this defines the answer.
'aussie skippers finally inspect' is the wordplay.
'aussie skippers' becomes 'roos' (I can't justify this - if you can you should give a lot more credence to this answer).
'finally' suggests the final letters.
The last letter of 'inspect' is 't'.
'roos'+'t'='ROOST'
Can you help me to learn more?
(Other definitions for roost that I've seen before include "residence" , "Resting perch for birds" , "Torso (anag)" , "Bird's shelter" , "Bats' settling place" .)