# STC SA4121SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Curry Aviation LLC, United States
- Description: Add wing strut fairings and contour wing struts.
- Applied: April 15, 1980
- Status date: December 16, 2022
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS 3A13](https://openairdocs.org/tcds/3A13), [TCDS 3A24](https://openairdocs.org/tcds/3A24)
- Certificate PDF: https://openairdocs.org/files/sha256/fb/92/fb92c136bcba654f2d494318437e6fd4bc3b466437d447f70faf905d7231f35c
- Approved model list and other attachments: [SA4121SW_AML.pdf](https://openairdocs.org/files/sha256/bb/43/bb433231746f9f98756d2a854203a73d1b18769bb9c656c03c6f1d303b65e62f)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194725851820230728183956.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4121SW

## ADs that name it (0)

None.

## Approved models (39)

- Textron Aviation Inc. 180 ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180A ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180B ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180C ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180D ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180E ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180F ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180G ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180H ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180J ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180K ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182A ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182B ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182C ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182D ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182E ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182F ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182G ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182H ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182J ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182K ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182L ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182M ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182N ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182P ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182Q ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. 182R ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- 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))
- Textron Aviation Inc. A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Textron Aviation Inc. R182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. T182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Textron Aviation Inc. TR182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13))

## 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 This certificat e may be transferred or made available to third persons by licensing agreements in accordance with 14 CFR 21.47. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the proper ty of the STC holder.

FAA Form 8110-2 (5/14) Page 1 of This certificate issued to:

Part of the

Signature

Title 2 SA4121SW Curry Aviation, LLC 616 N. Palmetto Street Leesburg, FL 34748 Civil Air Regulations.3 Installation of wing strut fairings and/or contour wing struts.

See attached AML No. SA4121SW, for required data.

Compatibility of this design with previously approved modification must be determined by the installer.

for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service See attached Approved Model List (AML) No. SA4121SW, for all aircraft makes, models, and certification basis.

11/27/94, 12/16/2022 7/22/82, 4/29/85, 3/12/86, 7/15/94 April 15, 1980 May 5, 1980

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate This certificat e may be transferred or made available to third persons by licensing agreements in accordance with 14 CFR 21.47. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the proper ty of the STC holder.

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

2 SA4121SW

### SA4121SW_AML.pdf

**FAA APPROVED MODEL LIST (AML) NO. SA4121SW**

Curry Aviation, LLC

Installation of Wing Strut Fairings and/or Contour Wing Struts

Page 1 of 1

Initial Approval Date: 4/15/1980 Item Aircraft Make Aircraft Model TCDS Cert Basis / Amendment AFMS No. Revision* / FAA Approval Date MDL No. Revision* / FAA Approval Date AML Amendment Date 1 Textron Aviation (Cessna) 180, A, B, C, D, E, F, G, H, J, K 5A6 14 CFR Part 23, as listed in the TCDS N/A No. 4, dated 1/27/1994 N/A 2 Textron Aviation (Cessna) 182, A, B, C, D, E, F, G, H, J, K, L, M, N, P, Q, R; R182, T182, TR182 3A13 14 CFR Part 23, as listed in the TCDS N/A No. 3, dated 1/27/1994 N/A 3 Textron Aviation (Cessna) 185, A, B, C, D, E; A185E, A185F 3A24 14 CFR Part 23, as listed in the TCDS N/A No. 5, dated 1/27/1994 N/A *Or later FAA Approved revision

FAA Approved:

for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service

## Every issue (1)

- December 16, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/fb/92/fb92c136bcba654f2d494318437e6fd4bc3b466437d447f70faf905d7231f35c), [SA4121SW_AML.pdf](https://openairdocs.org/files/sha256/bb/43/bb433231746f9f98756d2a854203a73d1b18769bb9c656c03c6f1d303b65e62f)

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