Section 21.22 - Aircraft Equipment Requirements(1) No aircraft may land or takeoff at the Airport unless it is equipped with brakes and a functioning radio capable of two-way communication with the Control Tower on appropriate frequencies in use, except in the case of an emergency.(2) No motorless aircraft may land or be towed for takeoff at the Airport without permission.(3) No aircraft may land or takeoff from the Airport unless previous permission for the operation of that particular type has been granted by the Executive Director, except in case of emergency.