# STC SA1227CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Knots 2U Ltd., United States
- Description: Installation of dorsal fin.
- Applied: April 3, 1976
- Status date: May 24, 2021
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/4c/70/4c706e6665521ef639f8475a30c37cf9e841ff65eb7875fbd94ff21768a1b3e2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6360FB4C8C194577862587030015476E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1227CE

## ADs that name it (0)

None.

## Approved models (6)

- The New Piper Aircraft Inc. PA-28-140 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-150 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-160 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28R-180 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))
- The New Piper Aircraft Inc. PA-28R-200 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

## 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 FAA Form 8110-2 (5/14) Page 1 of 3

Knots2U, Ltd.

Number: SA1227CE 709 Airport Road Burlington, WI 53105 Part 3* of the Civil Air Regulations.

Original Product – Type Certificate Number: Make: Piper Model:

2A13 PA-28-140, PA-28-150, PA-28-160, PA-28-180, PA-28R-180, PA-28R-200

Installation of a dorsal fin in accordance with:

1. Isham Aircraft Drawing No. 28000,stamped "FAA Approved" and dated May 28, 1976,or later FAA approved revision; and

2. Models PA-28R-180 and PA-28R-200: Isham Aircraft Drawing List No. 28006, stamped "FAA Approved" and dated July 10, 1991, or later FAA approved revision.

1. Eligibility is for those models originally manufactured with Fin Fairing Part Number 63517-00.

Continued on page 3.

Date of Application: April 3, 1976

Date Reissued: May 24, 2021

Date of Issuance: June 29, 1976 Date Amended: December 9, 1976, July 10, 1991

Signature

Title Charlene Combs Program Manager Wichita ACO Branch

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate FAA Form 8110-2 (5/14) Page 2 of 3

To (Name and address of transferee)

From (Name and address of grantor)

SA1227CE

FAA Form 8110-2 (5/14) Page 3 of 3

(Continuation Sheet) Number: SA1227CE

Reissue Date: May 24, 2021

Airworthiness requirements (*continued from page 1):

Effective May 15, 1956, plus the amendments listed on Type Certificate Data Sheet 2A13.

Limitations and Conditions (continued from page 1):

2. This approval should not be extended to other specif ic airplanes of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

## Every issue (1)

- May 24, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4c/70/4c706e6665521ef639f8475a30c37cf9e841ff65eb7875fbd94ff21768a1b3e2)

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