# STC SR09544RC - Type: Supplemental type certificate - Status: Current, Issued - Holder: Ahlers Aerospace Inc, United States - Description: SN 4128 AND BELOW: Installation of Night Vision Goggle Compatible Interior Lighting System - Applied: June 12, 2006 - Status date: January 2, 2009 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 27 - Data sheets: [TCDS H9EU](https://openairdocs.org/tcds/H9EU) - Certificate PDF: https://openairdocs.org/files/sha256/5f/48/5f48c6ae953cb59dc39a697817ca98ed7059ddd45e2f2fa0ab48d0b619bfa4dd - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6B5043CACD287AAC86257597006EB830.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR09544RC ## ADs that name it (0) None. ## Approved models (1) - Eurocopter France AS-350B2 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) ## 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 SR09544RC 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 AS350-LB01-01, Revision D, dated December 31, 2008, or later Federal Aviation Administration (FAA) approved revision. Rotorcraft Flight Manual Supplement, RFMS E99-171, Revision IR, dated January 2, 2009, or later FAA approved revision is required. Instructions for Continued Airworthiness, (See continuation sheet 3 of 3) Limitations and Conditions: 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. Any deviation to the cockpit/cabin configuration specified in the type design of this STC may (See continuation sheet 3 of 3) Ahlers Aerospace Inc. 3621 Raider Drive Hurst, TX 76053 H9EU Make : Eurocopter France Model : AS-350 B2 Serial Numbers 4128 and below Date of application : June 12, 2006 Date of issuance : January 02, 2009 ( Signature) Lance T. Gant, Manager Rotorcraft Certification Office Southwest Region ( Title) **P/N ST2880RC-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 SR09544RC Date of Issuance: January 02, 2009 Description of Type Design Change (Continued): Ahlers Aerospace, Inc., Document No. E99-197, Revision A, dated November 26, 2008, or later revision is required for this installation. 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 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) - January 2, 2009: Issued, Current. [certificate](https://openairdocs.org/files/sha256/5f/48/5f48c6ae953cb59dc39a697817ca98ed7059ddd45e2f2fa0ab48d0b619bfa4dd) --- 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.