Thank you clare, I appreciate that !! Here goes !!
14. Against 49 up in the air (8) If this is to do with question 49, I havent got that either !!
49. Commuters - possibly on foot (8) I thought of 'trampers' but not sure !
24. Beck's red line that Mungo found in Niger? No, in New York. (7,4)
31. Dad, you and I wander off course and find marine detachment (4,7) I have seen the clue 'orkney' posted, but it didnt help !!
Many thanks !!!