# STC SA02576SE - Type: Supplemental type certificate - Status: Current, Issued - Holder: Sterling Aviation Technologies Inc., United States - Description: Installation of replacement elevator spars, hinge fittings, and ribs - Applied: December 12, 2014 - Status date: February 21, 2018 - Product: Aircraft, Small Airplane - Certification basis: Part 21, Part 23 - Data sheets: [TCDS A12SO](https://openairdocs.org/tcds/A12SO) - Certificate PDF: https://openairdocs.org/files/sha256/0a/be/0abeb673792b4d6b89bf945cc8ec3b3588f4a74435cd15d44f487be83167ea43 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/474F123368002176862582470063A8CA.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA02576SE ## ADs that name it (0) None. ## Approved models (8) - Commander Aircraft Corporation 112 ([TCDS A12SO](https://openairdocs.org/tcds/A12SO)) - Commander Aircraft Corporation 112B ([TCDS A12SO](https://openairdocs.org/tcds/A12SO)) - Commander Aircraft Corporation 112TC ([TCDS A12SO](https://openairdocs.org/tcds/A12SO)) - Commander Aircraft Corporation 112TCA ([TCDS A12SO](https://openairdocs.org/tcds/A12SO)) - Commander Aircraft Corporation 114 ([TCDS A12SO](https://openairdocs.org/tcds/A12SO)) - Commander Aircraft Corporation 114A ([TCDS A12SO](https://openairdocs.org/tcds/A12SO)) - Commander Aircraft Corporation 114B ([TCDS A12SO](https://openairdocs.org/tcds/A12SO)) - Commander Aircraft Corporation 114TC ([TCDS A12SO](https://openairdocs.org/tcds/A12SO)) ## 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. Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Number SA02576SE This certificate, issued to Sterling Aviation Technologies, Inc. 8021 S. 140th Lane Goodyear, AZ 85338 Part 23 of the Federal Aviation Regulations. Original ProductType Certificate Number: A12SO Make: Commander Aircraft Corporation Model: 112, 112B, 112TC, 112TCA, 114, 114A, 114B, 114TC Description of the Type Design Change: Installation of replacement elevator spars, hinge fittings, and ribs in accordance with Installation Instructions Report No. SA-C-EST-007, Revision 1, dated February 20, 2018, and Drawing List No. SA20000, Revision G, dated May 2, 2017, or later Federal Aviation Administration (FAA) approved revisions. Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of this model series unless the installer determines that the relationship between this change and any other previously incorporated approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. Date of application: December 12, 2014 Date reissued: Date of issuance: February 21, 2018 Date amended: FAA FORM 8110-2 (5/14) PAGE 1 OF 3 PAGES By direction of the Administrator (Signature) Manager, Seattle ACO Branch (Title) Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA02576SE Sterling Aviation Technologies, Inc. Issued: February 21, 2018 Reissued: Amended: The FAA, New York ACO Branch, issued a letter dated January 29, 2018 (AMOC Log 17-82, WTS-17-DOC-08162) which approves this installation as an Alternative Method of Compliance (AMOC) to Airworthiness Directive (AD) 2012-02-10 and lists the conditions and restrictions for using the AMOC. As specified in the AMOC approval letter, this installation is an AMOC to the corrective action requirements required by paragraph (k) of AD 2012-02-10 and terminates inspections required by paragraphs (g) and (i) of AD 2012-02-10. Instructions for Continued Airworthiness: Continued inspections of elevators modified with this installation are still required, as specified below: Model Inspection Interval Inspection Method Inspection Instructions 112, 112B, 112TC, 112TCA 100 hours Time in Service Visual Inspections Inspect per Section 2 of the Commander 112/B/TC/TCA Maintenance Manual, Document P/N M112001-2, Dated 7 January 1980, or later FAA-accepted revision 114, 114A 100 hours Time in Service Visual Inspections Inspect per Section 2 of the Commander 114/A Maintenance Manual, Document P/N M114001-2, Dated 3 January 1980, or later FAA-accepted revision 114B, 114TC 100 hours Time in Service Visual Inspections Inspect per Section 2 of the Commander 114B/TC Maintenance Manual, Document P/N MM-114B/TC, Revision A Dated May 1996, or later FAA-accepted revision If only one elevator is modified by this installation, the above inspections only apply to the modified elevator. All provisions of AD 2012-02-10 still apply to any elevator that has not been modified by this installation. A copy of this certificate and the FAA letter dated January 29, 2018, approving this installation as an AMOC must be maintained as part of the permanent records for the modified aircraft. - END - **FAA FORM 8110-2 (5/14) PAGE 3 OF 3 PAGES** ## Every issue (1) - February 21, 2018: Issued, Current. [certificate](https://openairdocs.org/files/sha256/0a/be/0abeb673792b4d6b89bf945cc8ec3b3588f4a74435cd15d44f487be83167ea43) --- 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.