Jetfighter III by Mission Studions - last of the great DOS combat flight sims.

Basic Flying Skills Part1b
Throttle Settings

Flight exercise: CRUISE THROTTLE SETTING
When you can comfortably maintain level flight, set the throttle to 80 %.
Flight exercise: MIL POWER
100 % throttle is known as MIL POWER ( Full military power)
Select MIL POWER		0
Flight exercise: GATE SETTINGS
Selecting Afterburner is referred as "going gate". The aircraft in JetFighter 3 have 5 afterburner stages.
Select A/B stages 1 - 5		+
Select MIL POWER Set cruise throttle		0