Final answer:
NG and TGT refer to engine's gas generator revolutions per minute and Turbine Gas Temperature in aviation, displayed on an aircraft's power pod's engine instruments panel, critical for monitoring engine performance.
Step-by-step explanation:
The acronyms NG and TGT are commonly used in aviation and stand for Next Generation and Turbine Gas Temperature, respectively. In the context of a power pod, which is typically part of an aircraft's propulsion system, the display of NG usually represents the revolutions per minute (RPM) of the engine's gas generator, while TGT is used to display the temperature of the gases exiting the turbine section of the engine. These readings are critical for pilots to monitor engine performance and to ensure the aircraft is operating within safe engine parameters.
In modern digital engine control systems, these values are constantly monitored and will be displayed to the pilot on the engine instruments panel. NG and TGT values play a crucial role during all phases of flight, particularly during engine start, takeoff, climb, cruise, and when managing the aircraft's power settings during any in-flight contingencies.