Lovatts Colossus 156 Giant Cryptic

47a. Uninvited picnic visitor is fairly airless. (3) =. .L? (At first I had ANT, thisdidn't work with cross word
67a. Cars requested, or tows..(5). =. .???S
73a. Young canine went first? Hoe excessively modern! (10) = NEW???G?E?
2d. Post for spooner mend sail (4, 4) =. S?NM?B?
10a. Journey taken by yourself, for yourself (3,4). ?G?, T?I?
27d. Mad reaper became navigator (3-6) =. ?A?O?A?E?
49d. Agreement with statement as dispatched (6). =.
54d. Turned to flea recently (2-4) O?L???
57d. The sort of hat you can eat? (4-3) =. ?O?K?I?
64d. Spotty American is a fast mover (6). =. ???U?R

Thanks
Cheers
Smithy