# STC SA02288AK - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Burl's Aircraft LLC, United States - Description: Installation of Alpha Omega Suspension System (AOSS) in place of original bungees - Applied: January 6, 2006 - Status date: March 22, 2022 - Product: Aircraft, Small Airplane - Certification basis: Part 21, Part 23 - Data sheets: [TCDS A22NM](https://openairdocs.org/tcds/A22NM) - Certificate PDF: https://openairdocs.org/files/sha256/d6/bb/d6bb2d4b72118af3dc0018987220ce170a5a01857534f28ebd66927d21ae1b32 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/58D6F2D85AA5AA1A86258813005594AC.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA02288AK ## ADs that name it (0) None. ## Approved models (5) - Aviat Aircraft Inc A-1 ([TCDS A22NM](https://openairdocs.org/tcds/A22NM)) - Aviat Aircraft Inc A-1A ([TCDS A22NM](https://openairdocs.org/tcds/A22NM)) - Aviat Aircraft Inc A-1B ([TCDS A22NM](https://openairdocs.org/tcds/A22NM)) - Aviat Aircraft Inc A-1C-180 ([TCDS A22NM](https://openairdocs.org/tcds/A22NM)) - Aviat Aircraft Inc A-1C-200 ([TCDS A22NM](https://openairdocs.org/tcds/A22NM)) ## 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 Aviation Administration Supplemental Type Certificate 14 CFR 21.120) FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION PAGE 1 OF 3 Number: SA02288AK This certificate issued to: Installation of Alpha Omega Suspension System (AOSS) in place of original bungees in accordance with Alpha Omega Suspension System Master Descriptive Data List BAR-18DL-A1/A1A/A1B/A1C, Revision D, dated February 14, 2014, and Preassembly, Installation, Operation and Maintenance Instructions BAR18A1-H, Revision H, dated February 14, 2014, or later FAA approved revision. Maintain in accordance with Preassembly, Installation, Operation and Maintenance Instructions BAR18A1-H, Revision H, dated February 14, 2014, or later FAA approved revision. 1. This installation requires the installation of one of the following heavy duty 3 inch extended Super Cub style landing gear: a. Airframes Inc. STC SA02175AK, b. Cub Crafters CC-18 (Top Cub) Gear, part number TC4003-001/002, or c. F. Atlee Dodge STC SA02152AK. Burl’s Aircraft, LLC P.O. Box 671487 Chugiak, AK 99567-1487 Original Product Type Certificate Number: A22NM Make: Aviat Aircraft Inc. Model: A-1, A-1A, A-1B, A-1C-180, A-1C-200 Date of application: January 6, 2006 Date of issuance: April 26, 2007 Date reissued: March 22, 2022 Date amended: June 22, 2012; April 28, 2014 By direction of the Administrator Signature: August A. Asay Title: Manager, Anchorage ACO Branch Part 23 of the Federal Aviation Regulations. United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate 14 CFR 21.120) FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION PAGE 3 OF 3 (Continuation Sheet) Date of application: January 6, 2006 Date of issuance: April 26, 2007 Date reissued: March 22, 2022 Date amended: June 22, 2012; April 28, 2014 Number: SA02288AK Limitations and Conditions: (continued): 2. Either 1½ inch or 1¼ axle diameters are approved provided that the axle reinforcement is installed in the 1¼ inch axle, and the appropriate changes are made to accommodate the wheels and brakes for 1½ inch axles per the installation instructions. See the installation instructions for clarifications of axle sleeve installation requirements for 1¼ inch axles. 3. This modification also requires the installation of a standard width Super Cub style vee cabane, Airframes Inc. part number AF30602, F. Atlee Dodge P/N 3166-1 per STC SA4618NM or Cub Crafters, Inc. CC-18 (Top Cub) P/N TC4006-001. 4. Compatibility of this design change with previously approved modifications must be determined by the installer. 5. The BAR18-2 AOSS Unit is a lower initial stiffness version of the BAR18 unit and is interchangeable. Mixing the BAR18 and the BAR18-2 units on the same aircraft is not approved. 6. This STC is compatible with F. Atlee Dodge Check Cable STC SA02189AK (See installation instructions). 7. This STC is eligible for installation on aircraft previously modified in accordance with Sky International Service Letter Number 3 increasing the gross weight of certain A-1B aircraft. - END - **14 CFR 21.120)** FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION PAGE 2 OF 3 Number: SA02288AK Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: SA02288AK ## Every issue (3) - March 22, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d6/bb/d6bb2d4b72118af3dc0018987220ce170a5a01857534f28ebd66927d21ae1b32) - April 24, 2014: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/f2/7e/f27e8c1244cbeda8dd27092f83b2b6a75f942713633180fd1a936bd1e2564274) - April 26, 2007: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/f0/0f/f00f562ffea5fda54703e93cd26cb6c3af734cf85e19fca8142c8090aec6f341) --- 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.