129. Aeronautical telecommunication equipment calibration and check.
(1)The holder of certificate shall establish a procedure for calibration of the equipment in accordance with the specifications laid down by the Director-General.(2)The holder of certificate shall check and accurately record the operating condition of any aeronautical telecommunication equipment that may have been used by an aircraft involved in an accident or serious incident and make such record available for the investigation purpose.(3)The air calibration of navigation facilities shall be carried out by an entity approved by the Director-General.
