Definition
The throttle movement from the lowest operating power setting (idle) to the highest available power setting (full power). In a jet engine, this transition is not instantaneous — the engine takes several seconds to spool up from idle RPM to the high RPM required to produce full thrust.
Plain English
Pushing the throttle all the way forward, from the lowest power setting to the highest. In a jet, the engine needs time to catch up — thrust builds gradually rather than appearing the moment you move the lever.
Context Anchor
Seen in jet airplane training when discussing engine response during takeoff, an abandoned landing, or any situation where power must be added quickly.
Why Pilots Care
Jet engines require several seconds to reach full thrust, so pilots must apply power earlier than in piston aircraft to avoid insufficient climb performance.
Analogy
Like pressing the gas pedal in a heavily loaded truck compared to a small car—the engine takes longer to reach full speed.
Grounding Statement
Picture the pilot adding full power and the airplane taking a moment before the engines actually produce the stronger push.
Intuition Check
Do not assume idle to full power means instant full power. It means the control has been moved to full power; the engine still needs time to catch up.
Example Sentence 1
On a go-around in a jet, advancing from idle to full power can take several seconds before full thrust is available, so the pilot anticipates the lag.
Example Sentence 2
The training emphasized that the time from idle to full power must be factored into every missed approach procedure.