# STC SA484CH - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Tanis Aircraft Products, United States - Description: Installation of instrument light dimmer system. - Applied: March 1, 1994 - Status date: May 13, 2015 - Product: Aircraft, Small Airplane - Certification basis: Part 21 - Data sheets: [TCDS A1CE](https://openairdocs.org/tcds/A1CE), [TCDS 3A15](https://openairdocs.org/tcds/3A15), [TCDS A-777](https://openairdocs.org/tcds/A-777), [TCDS 3A19](https://openairdocs.org/tcds/3A19), [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A17](https://openairdocs.org/tcds/3A17), [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS 3A13](https://openairdocs.org/tcds/3A13), [TCDS 3A24](https://openairdocs.org/tcds/3A24), [TCDS A13EU](https://openairdocs.org/tcds/A13EU), [TCDS A4EU](https://openairdocs.org/tcds/A4EU), [TCDS A42EU](https://openairdocs.org/tcds/A42EU), [TCDS A18EU](https://openairdocs.org/tcds/A18EU), [TCDS 1A6](https://openairdocs.org/tcds/1A6), [TCDS 1A10](https://openairdocs.org/tcds/1A10), [TCDS 1A15](https://openairdocs.org/tcds/1A15), [TCDS 2A13](https://openairdocs.org/tcds/2A13), [TCDS A1EA](https://openairdocs.org/tcds/A1EA), [TCDS A20SO](https://openairdocs.org/tcds/A20SO), [TCDS A3SO](https://openairdocs.org/tcds/A3SO) - Certificate PDF: https://openairdocs.org/files/sha256/45/44/45447099b86f1bce29746d93a95d3e1a3d8f6670d58eb901ff263185c90426e4 - Approved model list and other attachments: [SA484CHA_AML.pdf](https://openairdocs.org/files/sha256/5d/88/5d883dd410e7dfb1d6288973d75b9791a12e97eacaebcc7397c8ebfbd6e76276) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/564E249D4B80267A86257E5800496568.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA484CH ## ADs that name it (0) None. ## Approved models (174, first 50) - Beechcraft Corporation 19A ([TCDS A1CE](https://openairdocs.org/tcds/A1CE)) - Beechcraft Corporation 23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE)) - Beechcraft Corporation 35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation 35-33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation 35-A33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation 35-B33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation 35-C33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation 35-C33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation 35R ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation A23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE)) - Beechcraft Corporation A23-19 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE)) - Beechcraft Corporation A23-24 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE)) - Beechcraft Corporation A23A ([TCDS A1CE](https://openairdocs.org/tcds/A1CE)) - Beechcraft Corporation A24 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE)) - Beechcraft Corporation A24R ([TCDS A1CE](https://openairdocs.org/tcds/A1CE)) - Beechcraft Corporation A35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation B19 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE)) - Beechcraft Corporation B23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE)) - Beechcraft Corporation B35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation C23 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE)) - Beechcraft Corporation C24R ([TCDS A1CE](https://openairdocs.org/tcds/A1CE)) - Beechcraft Corporation C35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation D35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation E35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation F35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation G35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation H35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation J35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation K35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation M19A ([TCDS A1CE](https://openairdocs.org/tcds/A1CE)) - Beechcraft Corporation M35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation N35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation P35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation S35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation V35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation V35A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Beechcraft Corporation V35B ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Cessna Aircraft Company 150 ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150A ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150B ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150C ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150D ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150F ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150G ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150H ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150J ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150K ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150L ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 150M ([TCDS 3A19](https://openairdocs.org/tcds/3A19)) - Cessna Aircraft Company 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) All 174: https://openairdocs.org/stc/SA484CH/models.md ## 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. Part * of the * Regulations. Installation of Instrument Light Dimmer System in accordance with Tanis Aircraft Services, Inc. Installation Instructions, as listed on AML No. SA484CH, or later FAA approved revision. 1. Compatibility of this design change with previously approved modifications must be determined by the installer. 2. A copy of this certificate and AML No. SA484CH issued March 7, 1996, or later FAA approved revision, must be maintaine d as part of the permanent records for the modified aircraft. 3. 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. Tanis Aircraft Products 2951 100th Court NE Suite 150 Blaine, MN 55449-5126 See attached FAA Approved Model List (AML) Make : No. SA484CH for list of Approved models Model : and applicable airworthiness regulations Date of application : March 01, 1994 Date of issuance : March 07, 1996 Date reissued : May 13, 2015 Date amended : August 11, 1997 Original Signed By: Roy Boffo (Signature) Roy E. Boffo Acting Manager, Propulsion and Program Management Branch Chicago Aircraft Certification Office (Title) ### SA484CHA_AML.pdf **FAA APPROVED MODEL LIST (AML) NO. SA484CH** **TANIS AIRCRAFT PRODUCTS** FOR **THE INSTALLATION OF INSTRUMENT LIGHT DIMMER SYSTEM** Issue Date: March 7, 1996 Page 1 of 5 **INSTALLATION** **INSTRUCTIONS** **ITEM** **AIRCRAF T MAKE** **AIRCRAFT MODEL** **ORIGINAL TYPE** **CERTIFICATE NUMBER** **CERTIFICATION BASIS FOR** **ALTERATION** **NUMBER** **REVISION NO.** **AND DATE** AFM **SUPPLEMENT** **NUMBER/DATE** AML AMENDMENT DATE 1 Beech Aircraft Corp. 19A, B19, M19A, 23, A23, A23A, A23-19, A23-24, B23, C23, A24, A24R, C24R A1CE CAR Part 3 and Amendments Listed in TCDS A1CE 122 Rev. A, 04/10/97 N/A 08/11/97 2 Beech Aircraft Corp. 35-33, 35-A33, 35- B33, 35-C33, 35- C33A, H35, J35, K35, M35, N35, P35, S35, V35, V35A, V35B 3A15 CAR Part 3 and Amendments Listed in TCDS 3A15 122 Rev. A, 04/10/97 N/A 08/11/97 3 Beech Aircraft Corp. 35, A35, B35, C35, D35, E35, F35, G35, 35R A-777 CAR Part 3 and Amendments Listed in TCDS A-777 122 Rev. A, 04/10/97 N/A 08/11/97 4 Cessna Aircraft Corp. 150, 150A, 150B, 150C, 150D, 150F, 150G, 150H, 150J, 150K, 150L, 150M, A150K, A150L, A150M 3A19 CAR Part 3 and Amendments Listed in TCDS 3A19 122 Rev. A, 04/10/97 N/A 08/11/97 **FAA APPROVED MODEL LIST (AML) NO. SA484CH** **TANIS AIRCRAFT PRODUCTS** FOR **THE INSTALLATION OF INSTRUMENT LIGHT DIMMER SYSTEM** Issue Date: March 7, 1996 Page 2 of 5 **INSTALLATION** **INSTRUCTIONS** **ITEM** **AIRCRAF T MAKE** **AIRCRAFT MODEL** **ORIGINAL TYPE** **CERTIFICATE NUMBER** **CERTIFICATION BASIS FOR** **ALTERATION** **NUMBER** **REVISION NO.** **AND DATE** AFM **SUPPLEMENT** **NUMBER/DATE** AML AMENDMENT DATE 5 Cessna Aircraft Corp. 172, 172A, 172B, 172C, 172D, 172E, 172F, 172G, 172H, 172I, 172K, 172L, 172M, 172N, 172P 3A12 CAR Part 3 and Amendments Listed in TCDS 3A12 122 Rev. A, 04/10/97 N/A 08/11/97 6 Cessna Aircraft Corp. R172E, R172F, R172G, R172H, R172K, 175, 175A, 175B, 175C 3A17 CAR Part 3 and Amendments Listed in TCDS 3A17 122 Rev. A, 04/10/97 N/A 08/11/97 7 Cessna Aircraft Corp. 180, 180A, 180B, 180C, 180D, 180E, 180F, 180G, 180H, 180J, 180K 5A6 CAR Part 3 and Amendments Listed in TCDS 5A6 122 Rev. A, 04/10/97 N/A 08/11/97 8 Cessna Aircraft Corp. 182, 182A, 182B, 182C, 182D, 182E, 182F, 182G, 182H, 182J, 182K, 182L, 182M, 182N, 182P, 182Q, 182R, T182, TR182 3A13 CAR Part 3 and Amendments Listed in TCDS 3A13 122 Rev. A, 04/10/97 N/A 08/11/97 **FAA APPROVED MODEL LIST (AML) NO. SA484CH** **TANIS AIRCRAFT PRODUCTS** FOR **THE INSTALLATION OF INSTRUMENT LIGHT DIMMER SYSTEM** Issue Date: March 7, 1996 Page 3 of 5 **INSTALLATION** **INSTRUCTIONS** **ITEM** **AIRCRAF T MAKE** **AIRCRAFT MODEL** **ORIGINAL TYPE** **CERTIFICATE NUMBER** **CERTIFICATION BASIS FOR** **ALTERATION** **NUMBER** **REVISION NO.** **AND DATE** AFM **SUPPLEMENT** **NUMBER/DATE** AML AMENDMENT DATE 9 Cessna Aircraft Corp. 185, 185A, 185B, 185C, 185D, 185E, A185E, A185F 3A24 CAR Part 3 and Amendments Listed in TCDS 3A24 122 Rev. A, 04/10/97 N/A 08/11/97 10 Reims Aviation S.A. **F150G, F150H, F150J, F150K, F150L, F150M, FA150L, FA150K, FRA150L** A13EU FAR 21.29 and Amendments Listed in TCDS A13EU 122 Rev. A, 04/10/97 N/A 08/11/97 11 Reims Aviation S.A. F172F, F172G, F172H, F172K, F172L, F172M, F172N, F172P A4EU CAR Part 10 and Amendments Listed in TCDS A4EU 122 Rev. A, 04/10/97 N/A 08/11/97 12 Reims Aviation S.A. FR172E, FR172F, FR172G, FR172H, FR172J, FR172K A18EU FAR 21.29 (CAR Part 3) and Amendments Listed in TCDS A18EU 122 Rev. A, 04/10/97 N/A 08/11/97 13 Reims Aviation S.A. F182P, F182Q, FR182 A42EU CAR Part 3 and Amendments Listed in TCDS A42EU 122 Rev. A, 04/10/97 N/A 08/11/97 **FAA APPROVED MODEL LIST (AML) NO. SA484CH** **TANIS AIRCRAFT PRODUCTS** FOR **THE INSTALLATION OF INSTRUMENT LIGHT DIMMER SYSTEM** Issue Date: March 7, 1996 Page 4 of 5 **INSTALLATION** **INSTRUCTIONS** **ITEM** **AIRCRAF T MAKE** **AIRCRAFT MODEL** **ORIGINAL TYPE** **CERTIFICATE NUMBER** **CERTIFICATION BASIS FOR** **ALTERATION** **NUMBER** **REVISION NO.** **AND DATE** AFM **SUPPLEMENT** **NUMBER/DATE** AML AMENDMENT DATE 14 Piper PA-22, PA-22-108, PA-22-135, PA-22S- 135, PA-22-150, PA-22S-150, PA-22- 160, PA-22S-160 1A6 CAR Part 3 and Amendments Listed in TCDS 1A6 122 Rev. A, 04/10/97 N/A 08/11/97 15 Piper PA-23, PA-23-160, PA-23-235, PA-23- 250 1A10 CAR Part 3 and Amendments Listed in TCDS 1A10 122 Rev. A, 04/10/97 N/A 08/11/97 16 Piper PA-24, PA-24-250, PA-24-260, PA-24- 400 1A15 CAR Part 3 and Amendments Listed in TCDS 1A15 122 Rev. A, 04/10/97 N/A 08/11/97 17 Piper PA-28-140, PA-28- 150, PA-28-160, PA-28-180, PA- 28R-180, PA-28R- 200, PA-28-235 2A13 CAR Part 3 and Amendments Listed in TCDS 2A13 122 Rev. A, 04/10/97 N/A 08/11/97 18 Piper PA-30, PA-39 A1EA CAR Part 3 and Amendments Listed in TCDS A1EA 122 Rev. A, 04/10/97 N/A 08/11/97 **FAA APPROVED MODEL LIST (AML) NO. SA484CH** **TANIS AIRCRAFT PRODUCTS** FOR **THE INSTALLATION OF INSTRUMENT LIGHT DIMMER SYSTEM** Issue Date: March 7, 1996 Page 5 of 5 **INSTALLATION** **INSTRUCTIONS** **ITEM** **AIRCRAF T MAKE** **AIRCRAFT MODEL** **ORIGINAL TYPE** **CERTIFICATE NUMBER** **CERTIFICATION BASIS FOR** **ALTERATION** **NUMBER** **REVISION NO.** **AND DATE** AFM **SUPPLEMENT** **NUMBER/DATE** AML AMENDMENT DATE 19 Piper PA-31, PA-31-300, PA-31-325, PA-31- 350 A20SO CAR Part 3 and Amendments Listed in TCDS A20SO 122 Rev. A, 04/10/97 N/A 08/11/97 20 Piper PA-32-260, PA-32- 300, PA-32S-300, PA-32R-300, PA- 32RT-300, PA- 32RT-300T A3SO CAR Part 3 and Amendments Listed in TCDS A3SO 122 Rev. A, 04/10/97 N/A 08/11/97 Original Signed By: Roy Boffo FAA Approved: Roy E. Boffo Acting Manager, Propulsion and Program Management Branch Chicago Aircraft Certification Office Amended: August 11, 1997 Reissued: May 13, 2015_____________ ## Every issue (1) - May 13, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/45/44/45447099b86f1bce29746d93a95d3e1a3d8f6670d58eb901ff263185c90426e4), [SA484CHA_AML.pdf](https://openairdocs.org/files/sha256/5d/88/5d883dd410e7dfb1d6288973d75b9791a12e97eacaebcc7397c8ebfbd6e76276) --- 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.