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  5. § 121.1500
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14 CFR · Part 121

14 CFR § 121.1500

SFAR No. 111—Lavatory Oxygen Systems.

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Read in Subpart DD
Part 121 Contents
  • Subpart A: General
  • Subpart E: Approval of Routes: Domestic and Flag Operations
  • Subpart F: Approval of Areas and Routes for Supplemental Operations
  • Subpart G: Manual Requirements
  • Subpart H: Aircraft Requirements
  • Subpart I: Airplane Performance Operating Limitations
  • Subpart J: Special Airworthiness Requirements
  • Subpart K: Instrument and Equipment Requirements
  • Subpart L: Maintenance, Preventive Maintenance, and Alterations
  • Subpart M: Airman and Crewmember Requirements
  • Subpart N: Training Program
  • Subpart O: Crewmember Qualifications
  • Subpart P: Aircraft Dispatcher Qualifications and Duty Time
  • Subpart Q: Flight Time Limitations and Rest Requirements: Domestic Operations
  • Subpart R: Flight Time Limitations: Flag Operations
  • Subpart S: Flight Time Limitations: Supplemental Operations
  • Subpart T: Flight Operations
  • Subpart U: Dispatching and Flight Release Rules
  • Subpart V: Records and Reports
  • Subpart W: Crewmember Certificate: International
  • Subpart X: Emergency Medical Equipment and Training
  • Subpart Y: Advanced Qualification Program
  • Subpart Z: Hazardous Materials Training Program
  • Subpart AA: Continued Airworthiness and Safety Improvements
  • Subpart DD: Special Federal Aviation Regulations
  • Appendix A to Part 121: First Aid Kits and Emergency Medical Kits
  • Appendix B to Part 121: Airplane Flight Recorder Specification
  • Appendix C to Part 121: C-46 Nontransport Category Airplanes
  • Appendix D to Part 121: Criteria for Demonstration of Emergency Evacuation Procedures Under § 121.291
  • Appendix E to Part 121: Flight Training Requirements
  • Appendix F to Part 121: Proficiency Check Requirements
  • Appendix G to Part 121: Doppler Radar and Inertial Navigation System (INS): Request for Evaluation; Equipment and Equipment Installation; Training Program; Equipment Accuracy and Reliability; Evaluation Program
  • Appendix H to Part 121: Advanced Simulation
  • Appendix K to Part 121: Performance Requirements for Certain Turbopropeller Powered Airplanes
  • Appendix L to Part 121: Type Certification Regulations Made Previously Effective
  • Appendix M to Part 121: Airplane Flight Recorder Specifications
  • Appendix O to Part 121: Hazardous Materials Training Requirements For Certificate Holders
  • Appendix P to Part 121: Requirements for ETOPS and Polar Operations
(a)

Applicability. This SFAR applies to the following persons:

(1)

All operators of transport category airplanes that are required to comply with AD 2012-11-09, but only for airplanes on which the actions required by that AD have not been accomplished.

(2)

Applicants for airworthiness certificates.

(3)

Holders of production certificates.

(4)

Applicants for type certificates, including changes to type certificates.

(b)

Regulatory relief. Except as noted in paragraph (d) of this section and contrary provisions of 14 CFR part 21, and 14 CFR 25.1447, 119.51, 121.329, 121.333 and 129.13, notwithstanding, for the duration of this SFAR:

(1)

A person described in paragraph (a) of this section may conduct flight operations and add airplanes to operations specifications with disabled lavatory oxygen systems, modified in accordance with FAA Airworthiness Directive 2011-04-09, subject to the following limitations:

(i)

This relief is limited to regulatory compliance of lavatory oxygen systems.

(ii)

Within 30 days of March 29, 2013, all oxygen masks must be removed from affected lavatories, and the mask stowage location must be reclosed.

(iii)

Within 60 days of March 29, 2013 each affected operator must verify that crew emergency procedures specifically include a visual check of the lavatory as a priority when checking the cabin following any event where oxygen masks were deployed in the cabin.

(2)

An applicant for an airworthiness certificate may obtain an airworthiness certificate for airplanes to be operated by a person described in paragraph (a) of this section, although the airplane lavatory oxygen system is disabled.

(3)

A holder of a production certificate may apply for an airworthiness certificate or approval for airplanes to be operated by a person described in paragraph (a) of this section.

(4)

An applicant for a type certificate or change to a type certificate may obtain a design approval without showing compliance with § 25.1447(c)(1) of this chapter for lavatory oxygen systems, in accordance with this SFAR.

(5)

Each person covered by paragraph (a) of this section may inform passengers that the lavatories are not equipped with supplemental oxygen.

(c)

Return to service documentation. When a person described in paragraph (a) of this section has modified airplanes as required by Airworthiness Directive 2011-04-09, the affected airplanes must be returned to service with a note in the airplane maintenance records that the modification was done under the provisions of this SFAR.

(d)

Expiration. This SFAR expires on September 10, 2015, except this SFAR will continue to apply to any airplane for which the FAA approves an extension of the AD compliance time for the duration of the extension.

Referenced By

Safety Alerts for Operators (SAFO) (1)

  • SAFO 11007

Documents that cite this section, found in their catalog metadata or text. Listed by date, not by significance.

Regulations Referenced

14 CFR Part 2114 CFR 25.144714 CFR 119.5114 CFR 121.32914 CFR 121.333

Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.

Primary Source

  • Official Source (14 CFR · Part 121)