STC SR00133BO
FAA DRS lists SR00133BO as Current · Amended, held by Sikorsky Aircraft Corporation, for Sikorsky Aircraft S-76B and Sikorsky Aircraft S-76C. Recorded change: Installation of Honeywell MK XXII EGPWS Helicopter Terrain Awareness and Warning System (HTAWS). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of Honeywell MK XXII EGPWS Helicopter Terrain Awareness and Warning System (HTAWS).
SR00133BO 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: Sikorsky Aircraft S-76B and Sikorsky Aircraft S-76C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Sikorsky Aircraft S-76B and Sikorsky Aircraft S-76C model, serial range, and configuration?
- 02Which equipment, inspection intervals, procedures, and limitations apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related safety and emergency equipment STCs
Installation of Honeywell Enhanced Ground Proximity Warning System. Limited to installation on NA-265-65, serial number 465-58 ONLY.
FAA holder: Honeywell International Inc
Installation of Honeywell Mark VI Enhanced Ground proximity Warning System.
FAA holder: Honeywell International Inc
Installation of Bendix/King KLX 100 Emergency VHF Comm.
FAA holder: Honeywell International Inc
Installation of Bendix/King KMH 880 Multi-Hazard Awareness System or Bendix/King KGP 560 General Aviation Enhanced Ground Proximity Warning System (GA-EGPWS).
FAA holder: Honeywell International Inc