# STC SA2539SW-D - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Astronics Luminescent Systems Inc, United States - Description: Replacement of light assembly, International Inflatables Co. P/N68555-1 with DME Corp. EL-104, EL-104A, and EL-104B in emergency slide lighting system. - Applied: July 13, 1972 - Status date: June 2, 2022 - Product: Aircraft, Large Airplane - Certification basis: Part 21, Part 25 - Data sheets: [TCDS 4A21](https://openairdocs.org/tcds/4A21), [TCDS 4A26](https://openairdocs.org/tcds/4A26), [TCDS 4A28](https://openairdocs.org/tcds/4A28), [TCDS A16WE](https://openairdocs.org/tcds/A16WE), [TCDS A3WE](https://openairdocs.org/tcds/A3WE), [TCDS A5EU](https://openairdocs.org/tcds/A5EU), [TCDS 4A27](https://openairdocs.org/tcds/4A27), [TCDS 4A30](https://openairdocs.org/tcds/4A30), [TCDS 4A25](https://openairdocs.org/tcds/4A25), [TCDS A6WE](https://openairdocs.org/tcds/A6WE) - Certificate PDF: https://openairdocs.org/files/sha256/16/57/16576c66d7daa54e7f1cd556dd52d9cab20b9a399119bd354513d249e609b6b3 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8C327812F4B004B3862588600064CBB5.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA2539SW-D ## ADs that name it (0) None. ## Approved models (14) - British Aerospace Airbus Limited 1-11 Series ([TCDS A5EU](https://openairdocs.org/tcds/A5EU)) - General Dynamics Corporation 22 ([TCDS 4A27](https://openairdocs.org/tcds/4A27)) - General Dynamics Corporation 22M ([TCDS 4A27](https://openairdocs.org/tcds/4A27)) - General Dynamics Corporation 30 ([TCDS 4A30](https://openairdocs.org/tcds/4A30)) - General Dynamics Corporation 30A ([TCDS 4A30](https://openairdocs.org/tcds/4A30)) - McDonnell Douglas Corporation DC-8 Series ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - McDonnell Douglas Corporation DC-9 Series ([TCDS A6WE](https://openairdocs.org/tcds/A6WE)) - The Boeing Company 707-100 Long Body ([TCDS 4A21](https://openairdocs.org/tcds/4A21)) - The Boeing Company 707-200 ([TCDS 4A21](https://openairdocs.org/tcds/4A21)) - The Boeing Company 707-300 ([TCDS 4A26](https://openairdocs.org/tcds/4A26)) - The Boeing Company 720 ([TCDS 4A28](https://openairdocs.org/tcds/4A28)) - The Boeing Company 727 ([TCDS A3WE](https://openairdocs.org/tcds/A3WE)) - The Boeing Company 737 ([TCDS A16WE](https://openairdocs.org/tcds/A16WE)) - The Boeing Company 737-200 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE)) ## 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. FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2539SW-D Astronics Luminescent Systems, Inc. 130 Commerce Way East Aurora, NY 14052 Part 25 the Federal Aviation Regulations See "Continuation Sheet Page 4" See "Continuation Sheet Page 4" See "Continuation Sheet Page 4" In the emergency evacuation slide lighting system, replacement of light assembly, International Inflatables Company P/N 68555-1 with DME Corporation EL-104, Top Drawing PLP2-01-0014; EL-104A, Top Drwaing PLP2-01-0015; and EL-104B, Top Drawing PLP2-01-0026 or later FAA approved revision. (See Continuation Sheet Page 3) July 13, 1972 September 12, 1972, October 20, 1976, April 24, 2019, June 2, 2022 August 10, 1972 September 10, 1973, November 27, 1973, May 14, 1975 October 20, 1976 (for) Christina M. Underwood Manager, Atlanta ACO Branch Compliance and Airworthiness Division Aircraft Certification Service 4 FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2539SW-D FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page ___ of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA2539SW-D Limitations and Conditions - cont.: This approval should not be incorporated in any aircraft of these specific models on which other approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those previously incorporated approved modifications will not introduce any adverse affect upon the airworthiness of the aircraft. FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page ___ of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA2539SW-D Type Certificate Number Model Model 4A21 Boeing 707-100, -200 4A26 Boeing 707-300 4A28 Boeing 720 A3WE Boeing 727, 727C, 727-200 A16WE Boeing 737 4A27 General Dynamics 22, 22M 4A30 General Dynamics 30, 30A 4A25 McDonnell-Douglas DC-8 A6WE McDonnell-Douglas DC-9 A5EU British Aircraft Corp. BAC 1-11 4 4 ## Every issue (2) - June 2, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/16/57/16576c66d7daa54e7f1cd556dd52d9cab20b9a399119bd354513d249e609b6b3) - April 24, 2019: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/96/23/962303c1d47ec031f1af64d2841acd933cb8cd9af1f596d5433984bded4c8c51) --- 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.