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Aircraft STC directory

Boeing 737-600 Series STCs

The cited FAA DRS record snapshots contain 255 selected supplemental type certificates with status Current whose public applicability data names the Boeing 737-600 Series. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

255
listed Current at snapshot
105
holder directories
11
modification categories
Sep 15, 2026
latest recorded revision

Recently revised 737-600 Series STCs

Showing the 100 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

ST04556CHSafety and emergency equipment

Installation of a Crew Oxygen Shutoff Valve in accordance with Citadel Completions. LLC. Master Data List 7097-MDL-002, Revision (E), dated 27 JAN 2022, or later FAA Approved Revision.\nFAA Approved Aircraft Flight Manual Supplement document number 7097-AFMS-002 Revision (A),\n<hued 14 JAN 2022, or later FAA appioved revision is a required part of this modification.\nThe aircraft must be maintained in accordance with FAA approved Instructions for Continued Aiiworthiness, 7097-ICAS-002 Revision {IR) dared I I JAN 2022, or later' FAA approved revision in addition to the basic airplane maintenance manuals.

FAA holder: Citadel Completions LLC

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