# STC SA1397SO - 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-1082) or CAV-110H-4D (CM-1082) - Applied: September 20, 1982 - Status date: September 28, 2020 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21 - Data sheets: [TCDS 3A13](https://openairdocs.org/tcds/3A13) - Certificate PDF: https://openairdocs.org/files/sha256/2d/38/2d38ec6f79d0aaf17e7ee811ccd868982695ba98d05a5083874603a41f8720a0 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/516DC357023714D8862585FB003E4885.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA1397SO ## ADs that name it (0) None. ## Approved models (15) - Cessna Aircraft Company 182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Cessna Aircraft Company 182A ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Cessna Aircraft Company 182B ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Cessna Aircraft Company 182C ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Cessna Aircraft Company 182D ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Cessna Aircraft Company 182E ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Cessna Aircraft Company 182F ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Cessna Aircraft Company 182G ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Cessna Aircraft Company 182H ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Cessna Aircraft Company 182J ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Cessna Aircraft Company 182K ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Cessna Aircraft Company 182L ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Cessna Aircraft Company 182M ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Cessna Aircraft Company 182N ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Cessna Aircraft Company 182P ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) ## 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_3_9_7_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: 3A13 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-1082) or CAV-110H-4D (CM-1082) 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: _0_9_/2_0_/_1_9_8_2 Date Reissued: 09/18/1989, 04/07/2015, 09/28/2020 12/23/1982 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_3_9_7_S_O Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: _S_A_1_3_9_7S_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_3_9_7_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," *Model: Serial Numbers Cessna 182 33000 - 33842 (1956) 182A 33843 - 34753 (1957) 34754 - 34999, (1958) 51001 - 51556 182B 51557 - 52358 (1959) 182C 52359 - 53007 (1960) 182D 18253008 - 18253598 (1961) 182E 18252599 - 18254423 (1962) 182F 18254424 - 18255058 (1963) 182G 18255059 - 18255844 (1964) 182H 18255846 - 18256684, 634 (1965) 182J 18256685 - 18257625 (1966) 182K 18255845, 18257626 - 18257698, 18257700 - 18258505 (1967) 182L 18258506 - 18259305 (1968) 182M 18257699, 18259306 - 18260055 (1969) 182N 18260056 - 18260445 (1970) 18260446 - 18260825 (1971) 182P 18260826 - 18261425 (1972) 18261426 - 18262465 (1973) 18262466 - 18263475 (1974) 675, 18263476 - 18264295 Except 18263479 (1975) 18264296 - 18265175 (1976) -End- ## Every issue (3) - September 28, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/2d/38/2d38ec6f79d0aaf17e7ee811ccd868982695ba98d05a5083874603a41f8720a0) - April 7, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/e0/36/e03655fd2b5914918fde89b34cc201ff2481ffb89675d4bbcf8bfe167f55b69d) - March 17, 2004: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/28/52/2852079b65d1b5b99e57b432f807dbf6873c00c3120f671e32c1b1d0c39d9e45) --- From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.