On a standard day, 100% torque is available up to what altitude range?

The correct answer indicates that 100% torque is available from sea level to an altitude range of 12,000-16,000 feet mean sea level (MSL). This is based on the T-6A's engine performance characteristics, which are designed to maintain full power and torque output effectively at lower altitudes where air density is greater.

As altitude increases, the density of the air decreases, affecting engine performance. Above the specified range, the engine may not produce sufficient torque due to the thinner air, leading to reduced power and performance. Understanding this altitude range is crucial for flight operations, particularly during takeoff and climb phases, where maintaining adequate torque is essential for safe maneuverability and performance.