Originally Posted by Iccy
Are you a pilot? Do you work for a company large enough that they generate Operational Notices? Believe me, they are “official”.
To be fair, all you've done is drop little titbits about this "maintain runway track until in contact with centre":
Originally Posted by Iccy
There is a procedure to maintain runway track until contact and clearance from BN centre.
and
Originally Posted by Iccy
Notes I have seen say maintain runway track until varied by BN centre. No reason to fly a SID.
And quite rightly, these were questioned. If it's in a company instruction/OM, just come out and say it with a reference. There's enough rubbish, red herrings and BS on Prune as it is without "notes I have seen".
Back to the topic, what a dog's breakfast. Just downgrade it to Class G+ and CTAF.