# STC SR09549RC - Type: Supplemental type certificate - Status: Current, Issued - Holder: Ahlers Aerospace Inc, United States - Description: Installation of Night Vision Goggle Compatible Interior Lighting System - Applied: September 30, 2008 - Status date: June 8, 2009 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 27 - Data sheets: [TCDS H3EU](https://openairdocs.org/tcds/H3EU) - Certificate PDF: https://openairdocs.org/files/sha256/08/bc/08bc3567a3f0b38f381409e9168accf5f505c5dc1887fd52621ca518e72588c2 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0D6727E1EC5AA807862575D2006F890E.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SR09549RC ## ADs that name it (0) None. ## Approved models (1) - Eurocopter Deutschland GmbH BO-105S ([TCDS H3EU](https://openairdocs.org/tcds/H3EU)) ## 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. Number SR09549RC This certificate issued to Part 27 of the Federal Aviation Regulations. Description of Type Design Change: Installation of Night Vision Goggle Compatible Interior Lighting System in accordance with Ahlers Aerospace, Inc., Master Drawing List MDL 105-01 (E99-199), Revision D, dated June 3, 2009, or later Federal Aviation Administration (FAA) approved revision. Rotorcraft Flight Manual Supplement, RFMS E99-202, Revision IR, dated June 8, 2009, or later FAA approved revision is required. Instructions for Continued (See continuation sheet 3 of 3) Limitations and Conditions: This installation is for the Model BO-105S, Helicopter Variant CBS-5. Installation of Infrared Filtered Cockpit Lighting does not include or imply approval for flight operations with Night Vision Goggles (NVG). The operator must receive approval from their Civil Aviation operational authority to operate with NVG. Ahlers Aerospace, Inc. 3621 Raider Drive Hurst, TX 76053 H3EU Make : Eurocopter Deutschland GMBH Model: BO-105 S Date of application : September 30, 2008 Date of issuance : June 08, 2009 ( Signature) Charles C. Harrison, Acting Manager Rotorcraft Certification Office Southwest Region ( Title) **P/N ST3031RC-R PE ST ASW-170** FAA Form 8110-2-1(10-69) Page 2 of 3 FAA Form 8110-2-1(10-69) Page 3 of 3 Number SR09549RC Date of Issuance: June 08, 2009 Description of Type Design Change (Continued): Airworthiness, Ahlers Aerospace, Inc., Document No. E99-201, Revision B, dated May 29, 2009, or later revision is required for this installation. Any deviation to the cockpit/cabin configuration specified in the type design of this STC may affect the compatibility with NVG and may require a re-evaluation by the FAA Aircraft Certification Office (ACO). Once the aircraft is modified with this STC, any future modification to the aircraft may also affect the compatibility with NVG and may require re-evaluation by the FAA ACO. The installer must determine whether this design change is compatible with previously approved modifications. 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) - June 8, 2009: Issued, Current. [certificate](https://openairdocs.org/files/sha256/08/bc/08bc3567a3f0b38f381409e9168accf5f505c5dc1887fd52621ca518e72588c2) --- 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.