The only figure I can find for Ju-52 losses over Crete is the 'nearly 200' quoted by Callum MacDonald ( 'The Lost Battle : Crete 1941' ).

In the most desperate phase of the operation the Germans were certainly bulldozing crashed and damaged Ju-52s off the Maleme runways to make more room.....

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"Stand by to pull me out of the seat if I get hit" - Guy Gibson