STC SR12272SE

SR12272SE Aviation Specialties Unlimited, Inc.

4632 W. Aeronca St.

Boise ID 83705 Part 27 Title 14 CFR 2H3 Scott's-Bell 47, Inc.

47G-3B-2 Installation of a Supplemental Lighting System manufactured and installed in accordance with Aviation Specialties Unlimited, Inc. Master Drawing List (MDL) MDL-B47004-3, Revision A, dated December 19, 2025 or later FAA approved revision. Operated in accordance with Flight Manual Supplement (FMS) FMS-B47004-6 Revision IR, FAA-approved January 12, 2026 or later FAA approved revision.

This supplemental type certificate applies to the models listed above and only to the specific serial numbers as listed on the ASU MDL. This aircraft employs Night Vision Imaging System lighting (NVIS) that has been certified to ensure the aircraft is compatible with Night Vision Goggles (NVG). For this reason, interior and exterior modification that add or change systems that emit or reflect light have the potential to alter or change the NVIS lighting vs. NVG compatibility.

(See Continuation Sheet Page 3 of 3 Pages) 05/17/2025 01/16/2026 for Manager, West Certification Branch 3

SR12272SE 01/16/2026 3

SR12272SE 01/16/2026 Limitations and Conditions (continued):

Compatibility of this design with subsequent modification must be determined by the installer.

The determination of compatibility with modifications that emit or reflect light may require a re-evaluation by an FAA Aircraft Certification Office.

Instructions for Continued Airworthiness (ICA), ASU Document No. ICA-B47004-4, Revision IR, dated September 9, 2025 or later FAA accepted revision must be made available to the operator at the time of installation.

A copy of this certificate, the ICA, and the FMS must be maintained as part of the permanent records for the modified aircraft.

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

------------------------END----------------------- 3 3 Add Page