Emergency  Operations Chapter11 Introduction Changing weather conditions, air traffic control (ATC), the  aircraft, and the pilot are all variables that make instrument  flying an unpredictable and challenging operation. The safety  of the flight depends upon the pilot’s ability to manage these  variables while maintaining positive aircraft control and  adequate situational awareness. This chapter discusses the  recognition and suggested remedies for such abnormal and  emergency events related to unforecasted, adverse weather;  aircraft system malfunctions; communication/navigation  system malfunctions; and loss of situational awareness.