# STC SA02632SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Teufel Nursery Inc, United States
- Description: Installation of a Pratt and Whitney PT6A-35 engine flat rated to existing horsepower of the original Pratt and Whitney PT6A-28 and associated instrument marking changes.
- Applied: June 6, 2011
- Status date: December 12, 2018
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 4A24](https://openairdocs.org/tcds/4A24)
- Certificate PDF: https://openairdocs.org/files/sha256/86/cc/86cc9fb2e9d9dfb92b35124c8211fe407553d1ba206beca19239d77457e51db1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D3FB3F05F0FE16AC86258366005CEFFC.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA02632SE

## ADs that name it (0)

None.

## Approved models (1)

- Atlantic Coast Seaplanes LLC G-21G ([TCDS 4A24](https://openairdocs.org/tcds/4A24))

## 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 SA02632SE

This certificate, issued to Teufel Holly Farms, Inc.

3115 NE Cornell Road Hillsboro, OR 97124

Part 2 of the Civil Air Regulations.

Original ProductType Certificate Number: 4A24 Make: Atlantic Coast Seaplanes, LLC Model: G-21G

Description of the Type Design Change: Installation of a Pratt and Whitney PT6A-35 engine flat rated to existing horsepower of the original Pratt and Whitney PT6A-28 and associated instrument marking changes.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Atlantic Coast Seaplanes, LLC model G -21G aircraft, Serial Number 1201 only. Required aircraft instrument markings are specified in the AFMS and listed in Item 8, Instrument Markings.

The aircraft must be maintained in accordance with instructions for Continued Airworthiness (ICA), document number FW-TFL684-13, dated October 18, 2018, and Operated in accordance with Airplane Flight Manual Supplement for Atlantic Coast Seaplanes model G-21G Serial Number 1201, dated December 3, 2018.

A copy of this certificate, Instructions for Continued Airworthiness, and Airplane Flight Manual Supplement must be maintained as part of the permanent records for the modified aircraft.

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application: June 6, 2011 Date reissued:

Date of issuance: December 12, 2018 Date amended:

**FAA FORM 8110-2 (5/14) PAGE 1 OF 2 PAGES**

(Signature)

Manager, Seattle ACO Branch (Title)

## Every issue (1)

- December 12, 2018: Issued, Current. [certificate](https://openairdocs.org/files/sha256/86/cc/86cc9fb2e9d9dfb92b35124c8211fe407553d1ba206beca19239d77457e51db1)

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