STC ST553CH
FAA DRS lists ST553CH as Current · Reissued, held by Monogram Systems, for Boeing 767-200 Series, Boeing 767-300 Series, and Boeing 747-400 Series, and 1 more aircraft configuration. Recorded change: Installation of Envirovac toilets P/N's7900061-1, 7900062-1, 7900063-1, 7900064-1. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of Envirovac toilets P/N's7900061-1, 7900062-1, 7900063-1, 7900064-1.
ST553CH identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Boeing 767-200 Series, Boeing 767-300 Series, and Boeing 747-400 Series, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Boeing 767-200 Series and Boeing 767-300 Series, and 2 more aircraft configurations model, serial range, and configuration?
- 02Which configuration, parts, installation data, limitations, and ICAs apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related other aircraft modifications STCs
Install headliner in accordance with Cub Crafters, Inc., Master Drawing List, MDL 105600, Rev. A, dated July 30, 2001, or later FAA approved revision.
FAA holder: Cub Crafters Inc
Install windows in accordance with Cub Crafters Master Drawing List CR102500-3, dated July 24, 2002, or later Federal Aviation Administration approved revisions. Since there are no special instructions for continued airworthiness required, Title 14 Code of Federal Regulation part 43 is considered adequate for the maintenance of the installation.
FAA holder: Cub Crafters Inc
Fabrication of PA-18 Inspection Covers in accordance with Cub Crafters, Inc. Master Drawing List Report CR124500-3, dated July 14, 2003, or later Federal Aviation Administration (FAA) approved revision. The inspection covers must be installed in accordance with Cub Crafters, Inc. Installation Instructions Report CR124500-2, dated June 23, 2003, or later FAA-approved revision.
FAA holder: Cub Crafters Inc
Install heated pitot tube and new static system.
FAA holder: Cub Crafters Inc