:-D IMHO here is what I think it says:
A/C: L.A. tower n two o quebec
TWR: Go ahead
A/C two o quebec were having a airspeed problem
I am not sure though if it is N28Q or N20Q
N28Q DH104 Dove Riley
N20Q 1949 Stinson 108-3 C/N 108-4661
(http://www.wingsoverkansas.com/photos/stinson/stinson03.jpg)
And the N28Q lookalike :lol:
(http://www.abpic.co.uk/images/images/1002705M.jpg)