Trans-Aero Medical E90 King Air crash

[BobDDuck]

IRS is only for RNAV 10 or 5.

There is some allowances for F-APP+RAW I think... but I may have dumped that bit of knowledge a while ago.

 

[Cessnaflyer]

Unsure what that has to do with RNAV 10

I don’t want to be navigating in busy airspace when I can’t update it. Plus NAT needs RNP4 where we are seeing most of the jamming prior to entering.