For which type of aircraft is the pilot in command required to hold a type rating?

The requirement for a pilot in command to hold a type rating specifically applies to aircraft that have a maximum gross weight of more than 12,500 pounds. This regulation ensures that pilots have the necessary training and proficiency in operating larger aircraft, which can have more complex systems and performance characteristics compared to smaller aircraft.

When a pilot operates an aircraft above this weight threshold, the type rating signifies that they have received specific training and demonstrated competence in handling the unique challenges posed by such airplanes. This is crucial for ensuring safety and operational efficiency in aviation, as larger aircraft often require different handling techniques, emergency procedures, and may have additional regulations to comply with.

While the other options address various scenarios in aviation, they do not universally require a type rating for the pilot in command as the condition concerning the gross weight of more than 12,500 pounds does. The pilot's qualifications and training ensure that they can effectively operate these larger aircraft safely. Therefore, understanding the particular regulations for type ratings is essential for pilot compliance and aviation safety.