# STC SA00275SE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Cub Crafters Inc, United States - Description: Fabrication and installation of vortex generators mounted on the wings and a tail strake mounted on either side of the empennage. - Applied: July 5, 1994 - Status date: January 26, 2012 - Product: Aircraft, Single-Engine - Certification basis: Part 3, Part 21 - Data sheets: [TCDS 1A2](https://openairdocs.org/tcds/1A2) - Certificate PDF: https://openairdocs.org/files/sha256/2a/93/2a9383a36e782e627087b1295f33ee8a7621ddebd2a862bb0b51a45d5efa5631 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9F55A1005956291C862579A500688E57.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA00275SE ## ADs that name it (0) None. ## Approved models (16) - Piper Aircraft Inc. PA-18 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18-105 (Special) ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18-125 (Army L-21A) ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18A ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18A-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18A-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18AS-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18AS-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18S ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18S-105 (Special) ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18S-125 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-18S-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-19 (Army L-18C) ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) - Piper Aircraft Inc. PA-19S ([TCDS 1A2](https://openairdocs.org/tcds/1A2)) ## 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. Number SA00275SE This certificate, issued to Cub Crafters, Inc. 1918 South 16th Avenue Yakima, WA 98903-1212 Part 3 of the Civil Aviation Regulations. Original ProductType Certificate Number: 1A2 Make: Piper Model: PA-18, PA-18S, PA-18 “105,” PA-18S “105,” PA-18A, PA-18 “125,” PA-18S “125,” PA-18 “135,” PA-18S “135,” PA-18A “135,” PA-18AS “135,” PA-18 “150,” PA-18A “150,” PA-18S “150,” PA-18AS “150,” PA-19, PA-19S Description of the Type Design Change: Fabrication and installation of vortex generators mounted on the wings and a tail strake mounted on either side of the empennage in accordance with a Federal Aviation Administration (FAA) approved copy of Cub Crafters, Inc. Master Drawing List No. CR122900, Revision A, October 28, 2002, or later FAA-approved revision. Limitations and Conditions: Approval of this change in type design applies to the standard Landplane, Floatplane, and Skiplane configurations of the airplane models listed above only. This approval should not be extended to other aircraft on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this certificate must be maintained as part of the permanent records for the modified aircraft. The Cub Crafters, Inc. modification consists of seventy-two (72) vortex generators mounted on the wings and two (2) tail strakes mounted on either side of the empennage. If more than six (6) vortex generators are missing or damaged, or if a tail strake is missing or damaged, the aircraft is not airworthy and must be repaired before flight. 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. Date of application: July 5, 1994 Date reissued: 3/6/98; 5/27/99; 6/30/99; 1/26/12 Date of issuance: January 5, 1996 Date amended: August 14, 1998; December 6, 2002 (Signature) Acting Manager, Seattle Aircraft Certification Office (Title) ## Every issue (1) - January 26, 2012: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/2a/93/2a9383a36e782e627087b1295f33ee8a7621ddebd2a862bb0b51a45d5efa5631) --- 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.