Aviator's awfully good fortune (5)

I believe the answer is:

pilot

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'aviator's' is the definition.
(pilot is a kind of aviator)

'awfully good fortune' is the wordplay.
'awfully good' becomes 'pi' (old-fashioned term for pious. I am not sure about the 'awfully' bit.).
'fortune' becomes 'lot' (as in a person's lot in life).
'pi'+'lot'='PILOT'

Can you help me to learn more?

(Other definitions for pilot that I've seen before include "Guide, leader" , "This person can be found in a plane or a boat" , "Captain of plane or boat" , "Guide (e.g. of ship through harbour)" , "One-off programme" .)

I've seen this clue in the Evening Standard.

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