Final answer:
No specific class of instructor is required to be present during solo flights at a satellite base of a flight school. Typically, students are allowed to fly solo after receiving an endorsement from a certified instructor. The correct answer is d) None of the above.
Step-by-step explanation:
The class of instructor required at a Satellite base (smaller branch of flight school) depends on the regulations set by the specific aviation authority governing that region. However, typically, no special class of instructor is required to be present during solo flights at satellite bases. Students are usually allowed to fly solo after being endorsed by a certified instructor, who has determined that the student is competent to perform the flight safely. It is important for flight schools to comply with the regulations of their local aviation authority regarding the presence of instructors during solo flights.
Therefore, the correct answer to the question is: d) None of the above.