Hi, when flying from Queenstown (NZQN) to Chatham Islands (NZCI) I encountered the IRU's complete failing or glitching out on me, it happened in a small zone between DOPOM and DABAP on the Q854 airway.
When this happens, I lose my position and cannot enter heading mode (obv. because it has no idea where I am or my direction). I can use the debug realign tool to get me up and running again but only once I am away from the "glitch zone" I am calling it.
I reproduced this flying the other way from NZCI to YMML
Now, is this expected behaviour and I am a dumbass who slept through that info in Aviation 102? Or is this a bug that needs solving?