STC ST22BO
FAA DRS lists ST22BO as Current · Amended, held by Whelen Engineering Co Inc, for Cessna Aircraft 550, Cessna Aircraft S550, and Cessna Aircraft 560. Recorded change: Replacement of Grimes power supply P/N 60-2799-1 and position light P/N's 30-1085-15/-16 with Whelen power supply P/N 01-0790101-04 and position light P/N's 01-790159-(). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST22BO 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: Cessna Aircraft 550, Cessna Aircraft S550, and Cessna Aircraft 560. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related electrical systems STCs
Installation of generator off warning system.
FAA holder: Bell Helicopter Textron Inc.
Installation of Concorde VRSLA RG-380E/44L(S) and Concorde VRSLA RG-223 Series Batteries on the Bombardier CL-600-2B16, CL-600-2B19, CL-600-2C10 and CL-600-2D24 aircraft in accordance with Concorde Battery Corporation Master Drawing List, DWG No. 5-0379, Revision D, dated October 26, 2011 or later FAA approved revisions.
FAA holder: Concorde Battery Corporation
FAA record reference
- STC number
- ST22BO
- Product
- Aircraft · Small Multi-Engine
- Country
- United States
- Application date
- June 17, 1993
- Revision date
- March 31, 2008
- CFR references
- Part 21