# STC SR02774SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aviation Specialties Unlimited Inc., USA
- Description: Installation of a Supplemental Lighting System
- Applied: July 13, 2023
- Status date: September 29, 2023
- Product: Aircraft, Rotorcraft
- Certification basis: Part 27
- Data sheets: [TCDS R00008RD](https://openairdocs.org/tcds/R00008RD)
- Certificate PDF: https://openairdocs.org/files/sha256/b0/b5/b0b5a2335e4c11811fcfdc6765f1f3b54c8697e759e54f0d512ff5d701204b5c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID198124339820231013150059.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR02774SE

## ADs that name it (0)

None.

## Approved models (1)

- Bell Textron Canada Limited 505 ([TCDS R00008RD](https://openairdocs.org/tcds/R00008RD))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

(See Continuation Sheet Page 3 of 3 Pages) SR02774SE Aviation Specialties Unlimited, Inc.

4632 W. Aeronca St.

Boise, ID 83705 Part 27 the Federal Aviation Regulations R00008RD Bell Textron Canada Limited 505 Installation of a Supplemental Lighting System manufactured and installed in accordance with Aviation Specialties Unlimited (ASU) Master Drawing List (MDL) MDL-505004-3, Revision IR, dated June 12, 2023, or later Federal Aviation Administration (FAA) approved revision. Maintained in accordance with Instructions for Continued Airworthiness (ICA) ICA-505004-4, Revision B, dated September 29, 2023, or later FAA-accepted revision. Operated in accordance with Flight Manual Supplement (FMS) FMS-505004-6, Revision A, FAA-approved September 26, 2023, 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.

July 13, 2023 September 29, 2023 for Manager, West Certification Branch

SR02774SE

End SR02774SE 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.

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.

## Every issue (1)

- September 29, 2023: Issued, Current. [certificate](https://openairdocs.org/files/sha256/b0/b5/b0b5a2335e4c11811fcfdc6765f1f3b54c8697e759e54f0d512ff5d701204b5c)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
