What is the positive limit maneuvering load factor (n) for an acrobatic category airplane according to regulations?

The positive limit maneuvering load factor (n) for an acrobatic category airplane is set at 6.0. This value is significant because acrobatic planes are designed to perform a variety of stunts and maneuvers that involve higher loads than typical aircraft. The higher load factor reflects the structural integrity and performance capabilities required of such planes, enabling them to tolerate increased stresses during activities like loops, rolls, and other aerobatic maneuvers.

In the context of aviation regulations, particularly the FAA (Federal Aviation Administration) or its equivalents in other countries, the performance and safety characteristics of acrobatic aircraft are emphasized. Therefore, the requirement of a positive limit of 6.0 ensures that the aircraft has the necessary strength and resilience to handle the extreme loads encountered during acrobatic flight.

The other values listed do not align with the standards for acrobatic category airplanes, with lower limits typically being applicable to other categories of aircraft, which are not designed for the same level of stresses. The regulation standards prioritize safety and structural capability, which is why the 6.0 load factor is specified for this category of aircraft.