---
kind: "section"
citation: "14 C.F.R. § 121.587"
title: "14"
number: "121.587"
heading: "Closing and locking of flightcrew compartment door."
url: "https://uscodex.org/cfr/14/121.587"
---

# §121.587. Closing and locking of flightcrew compartment door.

- (a) Except as provided in [paragraph (b)](#b) of this section, a pilot in command of an airplane that has a lockable flightcrew compartment door in accordance with [§ 121.313](/cfr/14/121.313.md) 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)](#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 [§ 121.547](/cfr/14/121.547.md) and provided the [part 119](/cfr/14/part119.md) operator complies with FAA approved procedures regarding the opening, closing and locking of the flightdeck doors.

## Notes

### Amendments

[Docket FAA-2001-11032, 67 FR 2128, Jan. 15, 2002]

### Source

Source: Docket 6258, 29 FR 19219, Dec. 31, 1964, unless otherwise noted.

### Authority

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).

### Amendments

[Docket FAA-2001-11032, 67 FR 2128, Jan. 15, 2002]