Rock band ditching light air transport (8)

I believe the answer is:

zeppelin

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'air transport' is the definition.
(type of airship)

I cannot understand how the remainder of the clue works.

(Other definitions for zeppelin that I've seen before include "Large inflatable" , "Count" , "German inventor, designer of the first rigid motorised airship, d. 1917" , "old gas-bag" , "Large German dirigible" .)

I've seen this clue in The Independent.

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