Federal Aviation Administration, DOT Section 121.589 the Administrator. However, if the Administrator finds that there is an emergency that requires immediate action in the interest of safety in air commerce, he may, upon a statement of the reasons, require a change effective without stay. (d) Each certificate holder shall make available to the public at each airport it serves a copy of each procedure it establishes in accordance with paragraph (a)(1) of this section. [Doc. No. 12881, 42 FR 18394, Apr. 7, 1977, as amended by Amdt. 121-174, 46 FR 38051, July 23, 1981; Amdt. 121-207, 54 FR 39293, Sept. 25, 1989; Amdt. 121-253, 61 FR 2614, Jan. 26, 1996; Docket FAA-2018-0119, Amdt. 121-380, 83 FR 9172, Mar. 5, 2018] Section 121.587 Closing and locking of flightcrew compartment door. (a) Except as provided in paragraph (b) of this section, a pilot in command of an airplane that has a lockable flightcrew compartment door in accordance with Section 121.313 and that is carrying passengers shall ensure that the door separating the flightcrew compartment from the passenger compartment is closed and locked at all times when the aircraft is being operated. (b) The provisions of paragraph (a) of this section do not apply at any time when it is necessary to permit access and egress by persons authorized in accordance with Section 121.547 and provided the part 119 operator complies with FAA approved procedures regarding the opening, closing and locking of the flightdeck doors. [Doc. No. FAA-2001-11032, 67 FR 2128, Jan. 15, 2002] Section 121.589 Carry-on baggage. (a) No certificate holder may allow the boarding of carry-on baggage on an airplane unless each passenger-s baggage has been scanned to control the size and amount carried on board in accordance with an approved carry-on baggage program in its operations specifications. In addition, no passenger may board an airplane if his/her carry-on baggage exceeds the baggage allowance prescribed in the carry-on baggage program in the certificate holder-s operations specifications. (b) No certificate holder may allow all passenger entry doors of an airplane to be closed in preparation for taxi or pushback unless at least one required crewmember has verified that each article of baggage is stowed in accordance with this section and Section 121.285 (c) and (d). (c) No certificate holder may allow an airplane to take off or land unless each article of baggage is stowed: (1) In a suitable closet or baggage or cargo stowage compartment placarded for its maximum weight and providing proper restraint for all baggage or cargo stowed within, and in a manner that does not hinder the possible use of any emergency equipment; or (2) As provided in Section 121.285 (c) and (d); or (3) Under a passenger seat. (d) Baggage, other than articles of loose clothing, may not be placed in an overhead rack unless that rack is equipped with approved restraining devices or doors. (e) Each passenger must comply with instructions given by crewmembers regarding compliance with paragraphs (a), (b), (c), (d), and (g) of this section. (f) Each passenger seat under which baggage is allowed to be stowed shall be fitted with a means to prevent articles of baggage stowed under it from sliding forward. In addition, each aisle seat shall be fitted with a means to prevent articles of baggage stowed under it from sliding sideward into the aisle under crash impacts severe enough to induce the ultimate inertia forces specified in the emergency landing condition regulations under which the airplane was type certificated. (g) In addition to the methods of stowage in paragraph (c) of this section, flexible travel canes carried by blind individuals may be stowed - (1) Under any series of connected passenger seats in the same row, if the cane does not protrude into an aisle and if the cane is flat on the floor; or (2) Between a nonemergency exit window seat and the fuselage, if the cane is flat on the floor; or (3) Beneath any two nonemergency exit window seats, if the cane is flat on the floor; or 213 VerDate Sep<11>2014 08:20 May 17, 2019 Jkt 247048 PO 00000 Frm 00223 Fmt 8010 Sfmt 8010 Y:\SGML\247048.XXX 247048