# STC SA2189WE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Sierra Industries Ltd., United States - Description: Installation of recontoured wing leading edge, stall fences, wing tips, and positive aileron seals. (185, 185A, 185B, 185C, 185E LANDPLANE; FLOATPLANE AND AMPHIBIAN) (185D SKIPLANE) - Applied: July 14, 1970 - Status date: July 31, 2017 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21 - Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24) - Certificate PDF: https://openairdocs.org/files/sha256/aa/f6/aaf634ed84a42cf97ec9d693ac13de2e445cc7b935db7c7ce065f81182b83993 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E6F9C8C8335677BF8625871F004CA4A2.0001 - DRS record last changed: July 8, 2024 - Page: https://openairdocs.org/stc/SA2189WE ## ADs that name it (0) None. ## Approved models (7) - Textron Aviation Inc. 185 ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Textron Aviation Inc. 185A ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Textron Aviation Inc. 185B ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Textron Aviation Inc. 185C ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Textron Aviation Inc. 185D ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Textron Aviation Inc. 185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Textron Aviation Inc. A185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) ## 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 (5/14) Page 1 of 3 Reissued on July 31, 2017 to supersede the original STC, which has been lost or misplaced. Number: SA2189WE Part 3 of the Civil Air Regulation, effective 15 May 1956 as amended by 3-1 through 3-5. Original Product – Type Certificate Number: 3A24 Make: Cessna Model: 185, 185A through 185E and A185E Landplane, Floatplane and Amphibian, 185, 185A through 185E Skiplane. Installation of recontoured wing leading edge and the following options in accordance with the drawings called for on FAA Sealed Robertson Aircraft Drawing List No. 12. OPTIONS: Stall fences – Robertson Aircraft wing tips – positive aileron seals. Eligible on Skiplane conversions under STC SA3-717 for Models noted above as Skiplane. Date of Application: July 14, 1970 Date Reissued: 8/10/72; 11/5/73; 11/8/84; 10/10/86; 7/21/05; 7/31/17 Date of Issuance: March 24, 1971 Date Amended: August 10, 1972 Signature Title Jim Grigg Manager, Fort Worth A CO Branch, Compliance & Airworthiness Division Sierra Industries, Ltd. 122 Howard Langford Drive Uvalde, TX 78801 FAA Form 8110-2 (5/14) Page 2 of 3 Transfer the ownership of Supplemental Type Certificate Number: SA2189WE To (Name and address of transferee) From (Name and address of grantor) United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA2189WE FAA Form 8110-2 (5/14) Page 3 of 3 Date of Issuance: March 24, 1971 Date Amended: August 10, 1972 Date of Reissuance: July 31, 2017 LIMITS: C. G. Range (Amphibian only) straight line variation between points. All Models except A185E +41.0 to +46.5 @ 3100 lbs. +36.8 to +46.5 @ 2500 lbs. or less A185E +42.3 to +46.5 @ 3265 lbs. +41.0 to +46.5 @ 3100 lbs. +36.8 to +46.5 @ 2500 lbs. or less This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate shall be maintained as part of the permanent records for the modified aircraft. -END- United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA2189WE FAA Form 8110-2 (5/14) Page 4 of 3 ## Every issue (2) - July 31, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/aa/f6/aaf634ed84a42cf97ec9d693ac13de2e445cc7b935db7c7ce065f81182b83993) - July 21, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/75/b7/75b7c597874afcaaf8e753c52d086734ba8943f77713b87c2e6a11e83f6dd679) --- 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.