I think it may be a radio aerial. Plus he has a simple GPS in his hand.
I can find no evidence online as to who carries his bags to the 5 star hotel every evening but his hairdressers need the boot.
On a serious note Terry Holloway has suggested the Air League might be minded to give old Captain Kirk a long deserved award for his travels.
I am going to open a new thread ,with the intention we all contribute words to a collective effort ,to nominate Kirk a well deserved award for pushing the frontiers of LAA type flying in the 21st century.