.... if not one simple button to send a distress message.
To not be able to transmit in an emergency situation is a serious flaw that needs to be corrected.
Oh mickk.....
What is your aviation background ?
If a pilot of some sort, did none of your instructors teach you A . N . C . ?
In a complex aircraft such as a Boeing or Airbus, are already sufficient alarms and annunciators to deal with. I would like to think that all line pilots are perfectly capable of making a mayday call by the traditional means where cirumstances permit.