# STC SR02727SE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Whelen Aerospace Technologies, United States
- Description: Installation and maintenance of the Sunspot 36 and 46 series lights
- Applied: July 9, 2020
- Status date: September 5, 2025
- Product: Aircraft, Rotorcraft
- Certification basis: Part 29
- Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE)
- Certificate PDF: https://openairdocs.org/files/sha256/e4/8f/e48f4c067f00088645393e0be08f73c02c08f06233d1f9b5ab5faa764e35bca5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID109891819020260202231729.0001
- DRS record last changed: February 2, 2026
- Page: https://openairdocs.org/stc/SR02727SE

## ADs that name it (0)

None.

## Approved models (4)

- Sikorsky Aircraft Corporation S-76A ([TCDS H1NE](https://openairdocs.org/tcds/H1NE))
- Sikorsky Aircraft Corporation S-76B ([TCDS H1NE](https://openairdocs.org/tcds/H1NE))
- Sikorsky Aircraft Corporation S-76C ([TCDS H1NE](https://openairdocs.org/tcds/H1NE))
- Sikorsky Aircraft Corporation S-76D ([TCDS H1NE](https://openairdocs.org/tcds/H1NE))

## 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.

SR02727SE Whelen Aerospace Technologies 51 Winthrop Rd.

Chester, CT 06412 Part 29 Title 14 CFR H1NE Sikorsky Aircraft Corporation S-76A, S-76B, S-76C, S-76D Approval of this change in type design applies to the above model rotorcraft only. This approval should not be extended to other rotorcraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship between this change and other previously approved modifications will introduce no adverse effect upon the airworthiness of that rotorcraft. A copy of this certificate and ICA 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.

07/09/2020 08/27/2024 09/05/2025 10/19/2021 for Manager, West Certification Branch 2 Installation and maintenance of the Sunspot 36 and 46 series lights in accordance with the Instructions for Continued Airworthiness (ICA), Document Number 0029-0001, Revision IR, dated December 3, 2020 or later FAA-accepted Revision.

Manufacture in accordance with Master Drawing List, Document Number ST-20-503-02, Revision -, dated December 10, 2020 or later FAA-approved revision.

SR02727SE 09/05/2025 2

## Every issue (3)

- September 5, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e4/8f/e48f4c067f00088645393e0be08f73c02c08f06233d1f9b5ab5faa764e35bca5)
- August 27, 2024: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/7c/f8/7cf805911da3e6a7ab3aae4e0d69f30ddf04cf232b7fdef22fc137c678b209cc)
- October 19, 2021: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/e3/6d/e36d42805822a1163062202e2fcda725f8188f354fd91e232b2c24d344fa8c51)

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