Whether aircraft is in an emergency: an emergency squawk code, a declared
emergency state, or a currently-active ACAS/TCAS Resolution Advisory. Any
one of the three is sufficient - they arrive on different messages, and
from different sources (see the README's "Field population by source"
section), so they are not expected to always agree.
Whether
aircraftis in an emergency: an emergency squawk code, a declared emergency state, or a currently-active ACAS/TCAS Resolution Advisory. Any one of the three is sufficient - they arrive on different messages, and from different sources (see the README's "Field population by source" section), so they are not expected to always agree.