14 CFR § 121.584 - Requirement to view the area outside the flightdeck door.
---identifier: "/us/cfr/t14/s121.584"source: "ecfr"legal_status: "authoritative_unofficial"title: "14 CFR § 121.584 - Requirement to view the area outside the flightdeck door."title_number: 14title_name: "Aeronautics and Space"section_number: "121.584"section_name: "Requirement to view the area outside the flightdeck door."chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"subchapter_number: "G"subchapter_name: "AIR CARRIERS AND OPERATORS FOR COMPENSATION OR HIRE: CERTIFICATION AND OPERATIONS"part_number: "121"part_name: "OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS"positive_law: falsecurrency: "2026-04-05"last_updated: "2026-04-05"format_version: "1.1.0"generator: "[email protected]"authority: "49 U.S.C. 106(f), 40103, 40113, 40119, 41706, 42301 preceding note added by Pub. L. 112-95, sec. 412, 126 Stat. 89, 44101, 44701-44702, 44705, 44709-44711, 44713, 44716-44717, 44722, 44729, 44732; 46105; Pub. L. 111-216, 124 Stat. 2348 (49 U.S.C. 44701 note); Pub. L. 112-95, 126 Stat. 62 (49 U.S.C. 44732 note); Pub. L. 115-254, 132 Stat. 3186 (49 U.S.C. 44701 note)."cfr_part: "121"---
Identifier
/us/cfr/t14/s121.584
Currency
2026-04-05
Positive Law
No
Updated
2026-04-05
Chapter
Federal Aviation Administration, Department of Transportation
Authority
49 U.S.C. 106(f), 40103, 40113, 40119, 41706, 42301 preceding note added by Pub. L. 112-95, sec. 412, 126 Stat. 89, 44101, 44701-44702, 44705, 44709-44711, 44713, 44716-44717, 44722, 44729, 44732; 461... 49 U.S.C. 106(f), 40103, 40113, 40119, 41706, 42301 preceding note added by Pub. L. 112-95, sec. 412, 126 Stat. 89, 44101, 44701-44702, 44705, 44709-44711, 44713, 44716-44717, 44722, 44729, 44732; 46105; Pub. L. 111-216, 124 Stat. 2348 (49 U.S.C. 44701 note); Pub. L. 112-95, 126 Stat. 62 (49 U.S.C. 44732 note); Pub. L. 115-254, 132 Stat. 3186 (49 U.S.C. 44701 note).
# 121.584 Requirement to view the area outside the flightdeck door.From the time the airplane moves in order to initiate a flight segment through the end of that flight segment, no person may unlock or open the flightdeck door unless:(a) A person authorized to be on the flightdeck uses an approved audio procedure and an approved visual device to verify that:(1) The area outside the flightdeck door is secure, and;(2) If someone outside the flightdeck is seeking to have the flightdeck door opened, that person is not under duress, and;(3) If the airplane is in flight, any installed physical secondary barrier (IPSB) required by § 121.313(l) has been deployed; and(b) After the requirements of paragraph (a) of this section have been satisfactorily accomplished, the crewmember in charge on the flightdeck authorizes the door to be unlocked and open.[Amdt. 121-334, 72 FR 45635, Aug. 15, 2007, as amended by Amdt. 121-389, 88 FR 41308, June 26, 2023]