Traveller in storm on Russian plane (7)
I believe the answer is:
migrant
'traveller' is the definition.
(I know that migrant is a type of traveller)
'storm on russian plane' is the wordplay.
'storm' becomes 'rant' (both can mean to rage).
'on' means one lot of letters go next to another.
'russian plane' becomes 'MiG' (MiG is a Russian aircraft manufacturer).
'rant' after 'mig' is 'MIGRANT'.
'in' is the link.
(Other definitions for migrant that I've seen before include "Moving across territories" , "Person moving countries" , "Itinerant" , "Changing habitat (bird)" , "One travelling to find work" .)