# Flightcrew Compartment Access and Door Designs
> **Rule** · Final rule. · Published 2001-10-09 · Effective 2001-10-09 · 66 FR 51546
## Document
- **Document number:** 01-25376
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 66 FR 51546
- **Publication date:** 2001-10-09
- **Effective date:** 2001-10-09
- **FAA docket:** Docket No. FAA-2001-10770
## Abstract

This action allows airline operators to quickly modify the flightcrew compartment door to delay or deter unauthorized entry to the flightcrew compartment. This action temporarily authorizes variances from existing design standards for the doors and allows for approval for return to service of modified airplanes without prior approved data if the modification constitutes a major alteration. This action prohibits the possession of flightdeck compartment door keys by cabin flight attendants during flight. This action is being taken in the wake of the September 11, 2001, terrorist attacks against four U.S. commercial airplanes.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/10/09/01-25376/flightcrew-compartment-access-and-door-designs)
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