# STC SA4614NM - Type: Supplemental type certificate - Status: Current, Amended - Holder: Aero Twin Inc, United States - Description: Installation of Aero Twin, Inc., Main Gear Gravel Deflector Kit No. GD6-100 - Applied: October 25, 1988 - Status date: July 5, 2016 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21 - Data sheets: [TCDS A4CE](https://openairdocs.org/tcds/A4CE), [TCDS 3A21](https://openairdocs.org/tcds/3A21) - Certificate PDF: https://openairdocs.org/files/sha256/7b/60/7b600c4833da342a4040a9893265ad4c959a4f0a62d27055abf0e9988e7aef79 - Approved model list and other attachments: [AML_SA4614NM.pdf](https://openairdocs.org/files/sha256/8d/bb/8dbb76bc13c8dd9fdb243ce72bce9f8bbfcc96761472cf26a2dcfded59884b39) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A5C5C848A785236F86257FEF00765C99.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA4614NM ## ADs that name it (0) None. ## Approved models (31) - Textron Aviation Inc. 206 ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. 206H ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. 210-5 (205) ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Textron Aviation Inc. 210-5A (205A) ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Textron Aviation Inc. P206 ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. P206A ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. P206B ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. P206C ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. P206D ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. P206E ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. T206H ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. TP206A ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. TP206B ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. TP206C ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. TP206D ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. TP206E ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. TU206A ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. TU206B ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. TU206C ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. TU206D ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. TU206E ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. TU206F ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. TU206G ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. U206 ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. U206A ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. U206B ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. U206C ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. U206D ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. U206E ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. U206F ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. U206G ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) ## 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. This Certificate issued to Part 3 of the Civil Air Regulations. Description of Type Design Change: Installation of Aero Twin, Inc., Main Gear Gravel Deflector Kit No. GD6-100 when manufactured in accordance with Aero Twin Drawing List No. AT1600, revised per ECO AT-166, dated March 11, 2016, or later FAA approved revision, and installed in accordance with Aero Twin Installation Instructions, Revision D, dated March 11, 2016, or later FAA approved revision. Limitations and Conditions: The approval of this change in type design applies to the basic Textron Aviation Inc. Models 206 and 210-5 series airplanes noted in the AML. This approval should not be extended to other airplanes of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationships between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. Aero Twin, Inc. 2403 Merrill Field Drive Anchorage, AK 99501 *Refer to FAA Approved Model List (AML) Number SA4614NM, dated July 5, 2016, or later FAA approved revision, for aircraft makes and models, corresponding Type Certificate numbers, and applicable airworthiness regulations. Date of application: October 25, 1988 Date of issuance: June 30, 1989 Date amended: September 3, 1999; July 5, 2016 (Signature) August A. Asay Manager, Anchorage Aircraft Certification Office (Title) ### AML_SA4614NM.pdf United States Of America Department of Transportation - Federal Aviation Administration Aero Twin, Inc. Approved Model List (AML) 2403 Merrill Field Drive Number SA4614NM Anchorage, Alaska 99501 Date of Issuance: July 5, 2016 Approved Model List for the Aero Twin, Inc. Main Gear Gravel Deflector Kit GD6-100 on CAR Part 3 aircraft. Page 1 of 1 No TC HOLDER TCDS TCDS REV TCDS **REV DATE MODELS** **CERTIFICATION** **BASIS MASTER DRAWING LIST** **INSTRUCTIONS FOR** **CONTINUED AIRWORTHINESS** **AFM SUPPLEMENT** NUMBER / DATE 1 Textron Aviation Inc. A4CE 49 7/29/15 206, P206, P206A, P206B, P206C, P206D, P206E, U206, U206A, U206B, U206C, U206D, U206E, U206F, U206G, TP206A, TP206B, TP206C, TP206D, TP206E, TU206A, TU206B, TU206C, TU206D, TU206E, TU206F, TU206G, 206H, T206H CAR Part 3 Aero Twin Drawing List No. AT1600, revised per ECO AT-166, March 11, 2016, or later FAA approved revision. N/A N/A 2 Textron Aviation Inc. 3A21 49 7/29/15 210-5(205), 210-5A (205A) CAR Part 3 Aero Twin Drawing List No. AT1600, revised per ECO AT-166, March 11, 2016, or later FAA approved revision. N/A N/A No further entries ## Every issue (1) - July 5, 2016: Amended, Current. [certificate](https://openairdocs.org/files/sha256/7b/60/7b600c4833da342a4040a9893265ad4c959a4f0a62d27055abf0e9988e7aef79), [AML_SA4614NM.pdf](https://openairdocs.org/files/sha256/8d/bb/8dbb76bc13c8dd9fdb243ce72bce9f8bbfcc96761472cf26a2dcfded59884b39) --- 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.