What is the idle N1 range on the ground?

The idle N1 range on the ground for the T-6 aircraft is 60% to 61%. This specification is crucial as it defines the acceptable RPM of the low-pressure compressor during idle conditions while on the ground. Maintaining the N1 within this range ensures that the engine is operating efficiently and safely, preventing potential engine complications and ensuring the airframe and engine systems function together optimally.

The N1 percentage is observed to monitor engine performance, particularly during pre-flight checks and taxi operations, where engine parameters must be continuously verified to ensure safety and aircraft readiness. Operating outside of the specified idle range can lead to various issues, such as engine stalling or excessive wear, which can compromise flight safety.

This specific range allows pilots to effectively manage the aircraft's engine performance while minimizing the risk of any operational anomalies during ground operations.