Tiny plane had an LED, perhaps (10)

I believe the answer is:

microlight

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'an led perhaps' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'tiny plane' is the wordplay.
'tiny' becomes 'micro' (I've seen this in another clue).
'plane' becomes 'light' (I can't explain this - if you can you should believe this answer much more).
'micro'+'light'='MICROLIGHT'

'had' is the link.

Can you help me to learn more?

(Other definitions for microlight that I've seen before include "small plane" , "small 1D [AIRCRAFT]" .)

I've seen this clue in the Sydney Morning Herald.

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