To act as pilot in command of an aircraft towing a glider, a person is required to have made within the preceding 24 months

/in , /by

A chair-type parachute must have been packed by a certificated and appropriately rated parachute rigger within the preceding

/in , /by

Who may perform preventive maintenance on an aircraft and approve it for return to service?

/in , /by

1) Student or Recreational pilot.
2) Private or Commercial pilot.
3) None of the above.