In-Flight emergencies, as with any emergency is the least practiced ans least experiences situation that you will encounter when flying.
While many emergencies are not planned, proper mainenance and calibration will greatly reduce the chances of an emergency situation occurring. Also, knowing the aircraft limits and your own can help you avoid situations that may lead to an emergency situation.
Routine habits formed by following "Best Practices" for flying operations will create a mindset that the worst case scenario could happen on any flight and lead to a thought process of emergency "what if's".
Thorough checklists help preparedness
Since it would be a very expensive and risly operation to practice "real" emergencies, simulators fill the gap.
All major airlines and the military use simulators extensively to prepare pilits for emergency situations. Get a good simulator and practice.
Loss of Communication
A important rescue maneuver is to practice fast yaw into the nose out position where situational awareness is easiest to acquire.
Note: Make a relatively slow descents if coming straight down, the prop wash disturbs the gyros and altimeter.