What is the maximum allowed weight for a single-pilot certificated aircraft in the PPL category?

The maximum allowed weight for a single-pilot certificated aircraft in the Private Pilot License (PPL) category is indeed 5,700 kg (12,566 lbs). This weight limit is established to ensure that the aircraft remains within safe operational parameters for a single pilot, enhancing both safety and performance during flight. The limitation on weight accounts for not just the airframe and design of the aircraft, but also factors such as engine performance, fuel requirements, and overall handling characteristics.

Regulatory bodies enforce this weight to ensure that pilots operate aircraft within their training and certification limits, minimizing risks associated with exceeding these thresholds. Other options provided surpass this weight limit, which would place the aircraft outside the parameters for a single-pilot operation under the PPL specifications. This regulation is crucial for ensuring that pilots are able to manage the aircraft efficiently and safely when flying solo.