# STC SA1412SO - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Saf-Air Products Inc., United States - Description: Remove drain plug, Cessna Part Number MS20913-10 or MS20913-ID, from the fuel selector valve, and replace with CAV-110D (MT-1080) or CAV-110H-4D (CM-1080) - Applied: December 10, 1982 - Status date: September 28, 2020 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21 - Data sheets: [TCDS 5A6](https://openairdocs.org/tcds/5A6) - Certificate PDF: https://openairdocs.org/files/sha256/3a/be/3abe64a4619efc57e6defc55eb7c826bcd6f03b32fa92f9b6369196dd474080e - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/161AF60893CDCD55862585FB003E4A4A.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA1412SO ## ADs that name it (0) None. ## Approved models (11) - The Cessna Aircraft Company 180 ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - The Cessna Aircraft Company 180A ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - The Cessna Aircraft Company 180B ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - The Cessna Aircraft Company 180C ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - The Cessna Aircraft Company 180D ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - The Cessna Aircraft Company 180E ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - The Cessna Aircraft Company 180F ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - The Cessna Aircraft Company 180G ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - The Cessna Aircraft Company 180H ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - The Cessna Aircraft Company 180J ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - The Cessna Aircraft Company 180K ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) ## 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. United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate Number: _S_A_1_4_1_2_S_O This certificate issued to: Saf-Air Products, Inc. 32839 Manor Park Drive Garden City, MI 48135 Part 3 of -C-iv-i-l A-_ir_R_e_g_ul_a_ti_on_s . Original Product rtype Certificate ']{um6er: 5A6 Make: Cessna Model: *See Page 3 Description of Type Design Change: Remove drain plug, Cessna Part Number MS20913-10 or MS20913-1D, from the fuel selector valve, and replace with CAV-110D (MT-1080) or CAV-110H-4D (CM-1080) in accordance with instructions dated January 12, 2004, or later FAA revision. This approval should not be extended to other airplanes of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other p reviously approved modifications will produce no adverse effect upon the airworthiness of that airplane. (See continuation sheet 3 of 3) Date of Application: _1_2_/1_0_/_1_9_8_2 Date Reissued: 09/18/1989, 09/28/2020 02/18/1983 Date Amended: 03/17/2004 Christina M. Underwood Title: Manager, Atlanta ACO Branch FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION Page 1 of 3_ United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate Number: _S_A_1_4_1_2_S_O Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: _S_A_1_4_1_2S_O Saf-Air Products, Inc. 32839 Manor Park Drive Garden City, MI 48135 FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION Page 2 of _3 United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate (Continuation Sheet) Number: _S_A_1_4_1_2_S_O Limitations and Conditions (Cont.) The following placard, located on the instrument panel in clear view of the pilot is required when the drain is installed: "This aircraft is equipped with a belly drain. Drain daily or before each flight," Except 18052490 and 18052490 Date of Issuance: February 18, 1983 -End- FAA Form 8110-2 (06/20) Page _3 of 3_ *Model: Serial Number Cessna 180 30002 - 32661 180A 32662 - 32999 50001 - 50355 180B 50356 - 50661 180C 50662 - 50911 180D 18050912 - 18051063 180E 18051064 - 18051183 180F 18051184 - 18051312 180G 18051313 - 18051445 180H 18051446 - 18052284 180J 18052285 - 18052770 180K 18052771 - 18053203 ## Every issue (2) - September 28, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3a/be/3abe64a4619efc57e6defc55eb7c826bcd6f03b32fa92f9b6369196dd474080e) - March 17, 2004: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/ce/8a/ce8af01ba6a41ef061797e38f5a2d8a184260d6c45d16c2f8b8bcb8d90d51bfa) --- 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.