A rather unfortunate aviation pioneer (7)

I believe the answer is:

earhart

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'aviation pioneer' is the definition.
The definition suggests a singular noun which matches the answer.

'a rather unfortunate' is the wordplay.
'unfortunate' indicates anagramming the letters.
'a'+'rather'='arather'
'arather' is an anagram of 'EARHART'.

Can you help me to learn more?

(Other definitions for earhart that I've seen before include "they failed to find her" , "Amelia -, US aviation pioneer" , "high-flier" , "Amelia . . . . . . ., U.S. pioneer aviator" , "Amelia __ , aviator, d. 1937" .)

I've seen this clue in The Telegraph.

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