# Regulus search export - Query: `64 FR 45388` - Source type: All - Part: All - Source: All - Status: All - Jurisdiction: All - Collection: All - Incident class: All - Sort: relevance - Date from: Any - Date to: Any - As of: Current corpus - Results: 1 - Exported: 2026-08-23T21:51:59.236Z ## 1. Hazardous Materials: Chemical Oxidizers and Compressed Oxygen Aboard Aircraft **Citation:** 64 FR 45388 **Type / status:** rulemaking / historical **Agency:** Research and Special Programs Administration **Effective / published:** Not stated / 1999-08-19 RSPA is amending the Hazardous Materials Regulations to: Prohibit the carriage of chemical oxidizers in inaccessible aircraft cargo compartments that do not have a fire or smoke detection and fire suppression system; require oxygen cylinders to be placed in an outer packaging when transported aboard aircraft; limit the number of oxygen cylinders that may be stowed on an aircraft in inaccessible cargo compartments that do not have a fire or smoke detection system and a fire suppression system (e.g., a Class D cargo compartment); limit the number of oxygen cylinders that may be stowed in a Class B cargo compartment or its equivalent (i.e., an accessible cargo compartment equipped with a fire or smoke detection system but not a fire suppression system); authorize transportation of a limited number of oxygen cylinders in the passenger cabin of passenger-carrying aircraft; and prohibit the carriage of personal-use chemical oxygen generators on passenger-carrying aircraft and the carriage of spent chemical oxygen generators on both passenger-carrying and cargo aircraft. This final rule is being issued in consultation with the Federal Aviation Administration (FAA) to enhance air transportation safety. ### Provenance - Official: Yes - Source: - Source ID: `federal-register` - SHA-256: `b3114ca417d64bc84c6225be41d577075f8d05fe913cb9cd52080b7a5b244f0d` - Retrieved: 2026-08-20T06:04:51.294Z - Document slug: `federal-register-99-21187` - Related records: 15