Originally Posted by
binbrook
I have a vague memory that we could go through airways at X000+500ft, but maybe that was only in emergency. Anyone out there got an old RAFAC?
I have an old RAF En Route Supplement (BINA) from 1983 and it confirms that procedure for use in an emergency when neither a radar nor procedural crossing could be obtained. The circumstances had to be reported to the Parent ATCC after landing.