121.420—Flight navigators: Initial and transition ground training.
(a)
Initial and transition ground training for flight navigators must include instruction in the subjects specified in § 121.419(a) as appropriate to his assigned duties and responsibilities and in the following with respect to the particular type airplane:
(2)
Each item of navigational equipment installed including appropriate radio, radar, and other electronic equipment.
(b)
Initial ground training for flight navigators must consist of at least the following programmed hours of instruction in the subjects specified in paragraph (a) of this section and in § 121.415(a) unless reduced under § 121.405 :