PN: Maybe I can help, if we assume that not much had changed at 1ANS by 1965? Having only entered basic Navex numbers at 2ANS, I see that I've got a little more from Strad, though nothing on routes, I'm afraid:
A1/2 All Aids Day
A3/4 All Aids Night
A5/6 Pre-computed Astro .... praying for an ontime take-off!
A7/8 Airways/Astro
A9/10 Gib and back
A11/12 Coastal/Tactical
And I've done the posterity thing. Quite salutary when a bit of Googling proves that some memories nursed over many years have slipped timescales and so on.