Crossword Genius

Support briefly up - clear about this form of air travel? (5,3)

Ross

I believe the answer is:

cable car

I'm a little stuck... Click here to teach me more about this clue!

'support briefly' is the definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Perhaps you can see an association between them that I don't see?

'up clear about this form of air travel?' is the wordplay.
I cannot quite understand how this works, but
an anagram of 'clear' is 'lecar' which is present in the answer.
'about' could be 'ca' (abbreviation for circa) and 'ca' is found within the answer.
A single letter 'b' remains which might be clued in a way I don't see.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

(Other definitions for cable car that I've seen before include "Funicular vehicle" , "Means of mountain transport" , "An easy way to 6?" , "that takes one to Snowdon-like heights?" , "Way of transporting passengers up mountains" .)

I've seen this clue in The Independent.
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