Maps taken out on an Asian boat (6)
I believe the answer is:
sampan
'asian boat' is the definition.
(I've seen this before)
'maps taken out on an' is the wordplay.
'taken out' indicates an anagram.
'on' is a charade indicator (letters next to each other).
'maps' with letters rearranged gives 'samp'.
'samp'+'an'='SAMPAN'
(Other definitions for sampan that I've seen before include "Flat-bottomed Chinese skiff" , "Far Eastern rowing vessel" , "Asian skiff" , "Small flat-bottomed boat in China" , "Small oriental rowing boat" .)