Each pilot who is seated at the pilot controls of the aircraft, while not flying the aircraft, must accomplish pilot monitoring duties as appropriate in accordance with the certificate holder's procedures contained in the manual required by § 121.133 of this part. Compliance with this section is required no later than March 12, 2019.
[Doc. No. FAA-2008-0677, 78 FR 67841, Nov. 12, 2013]