[Code of Federal Regulations]
[Title 14, Volume 2]
[Revised as of January 1, 2008]
From the U.S. Government Printing Office via GPO Access
[CITE: 14CFR125.311]

[Page 1019]
 
                     TITLE 14--AERONAUTICS AND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION 
                               (CONTINUED)
 
 PART 125_CERTIFICATION AND OPERATIONS: AIRPLANES HAVING A SEATING CAPACITY OF 
 
                       Subpart J_Flight Operations
 
Sec. 125.311  Flight crewmembers at controls.


    (a) Except as provided in paragraph (b) of this section, each 
required flight crewmember on flight deck duty must remain at the 
assigned duty station with seat belt fastened while the airplane is 
taking off or landing and while it is en route.
    (b) A required flight crewmember may leave the assigned duty 
station--
    (1) If the crewmember's absence is necessary for the performance of 
duties in connection with the operation of the airplane;
    (2) If the crewmember's absence is in connection with physiological 
needs; or
    (3) If the crewmember is taking a rest period and relief is 
provided--
    (i) In the case of the assigned pilot in command, by a pilot 
qualified to act as pilot in command.
    (ii) In the case of the assigned second in command, by a pilot 
qualified to act as second in command of that airplane during en route 
operations. However, the relief pilot need not meet the recent 
experience requirements of Sec. 125.285.