# STC SA00455SE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Dynamic Propellers LLC, United States
- Description: Modification of the carburetor heat box
- Applied: April 1, 1997
- Status date: September 15, 2015
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- Certificate PDF: https://openairdocs.org/files/sha256/cc/2b/cc2b3215bf54096514ce0e7f7fb3d27945dd73c79ce9f7e34a5b1d259e0d5cde
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2FD2A02E6B2A7AC886257EC200684C4D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA00455SE

## ADs that name it (0)

None.

## Approved models (6)

- Textron Aviation Inc. 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172P ([TCDS 3A12](https://openairdocs.org/tcds/3A12))

## 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.

Number SA00455SE

This certificate, issued to Dynamic Propellers LLC 341 Lisa Lane Pasco, WA 99301

Part 3 of the Civil Air Regulations.

Original ProductType Certificate Number: 3A12 Make: Cessna Model: 172I, 172K, 172L, 172M, 172N, 172P

Description of the Type Design Change: Modification of the carburetor heat box in accordance with Dynamic Propeller Drawing List 10DL, dated April 10, 1997, or later Federal Aviation Administration (FAA) approved revision.

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 these models on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this certificate 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: April 1, 1997 Date reissued: 12/10/14; 1/12/15; 9/15/15 Date of issuance: July 3, 1997 Date amended:

(Signature)

Manager, Seattle Aircraft Certification Office (Title)

## Every issue (3)

- September 15, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/cc/2b/cc2b3215bf54096514ce0e7f7fb3d27945dd73c79ce9f7e34a5b1d259e0d5cde)
- January 12, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/dc/d2/dcd2bb895136cf55226abbacf32e74f8a604cf4fdece52f1747e336c858b0098)
- December 10, 2014: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/5b/df/5bdf3503943a5b780b7030ff9662fdc9c28a87e5486bc60c1ee9a9c7fbf769b5)

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