The easy answer is to go back to what was introduced with NAS over a decade ago .....
Multicom 126.7 for all low level ops at those sites without a designated frequency other than 126.7
Remove the area frequency boundaries from the charts - they are not relevant to VFR ops, provided the frequency is marked in the vicinity of the aerial site.
Good airmanship and some pre-flight preparation would provide the frequencies to use in an emergency. There are plenty of locations now that comms with centre cannot be made on the area frequency, but can on an adjacent area!
Last edited by cogwheel; 27th Oct 2014 at 08:46.
Reason: To correct a deliberate mistake ...