# STC SA02484AK

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Trimmer, Marvin E., United States
- Description: Installation of Sensenich W80CM8 wood propeller
- Applied: November 5, 2014
- Status date: March 13, 2017
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS 1A1](https://openairdocs.org/tcds/1A1), [TCDS 1A4](https://openairdocs.org/tcds/1A4), [TCDS 1A6](https://openairdocs.org/tcds/1A6)
- Certificate PDF: https://openairdocs.org/files/sha256/4b/37/4b37519fcd40fba64f429f3d3196e4c3e6900382678843e128e3231da09e5686
- Approved model list and other attachments: [SA02484AK_AML.pdf](https://openairdocs.org/files/sha256/5a/71/5a71692aed32d41b86212d7bafa1267ca6a075e6a243c0ee943be81dd110ffc6)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9EF64FE891ABFF91862580F0006A48E8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02484AK

## ADs that name it (0)

None.

## Approved models (16)

- Piper Aircraft Inc. PA-16 ([TCDS 1A1](https://openairdocs.org/tcds/1A1))
- Piper Aircraft Inc. PA-16S ([TCDS 1A1](https://openairdocs.org/tcds/1A1))
- Piper Aircraft Inc. PA-20 ([TCDS 1A4](https://openairdocs.org/tcds/1A4))
- Piper Aircraft Inc. PA-20-115 ([TCDS 1A4](https://openairdocs.org/tcds/1A4))
- Piper Aircraft Inc. PA-20-135 ([TCDS 1A4](https://openairdocs.org/tcds/1A4))
- Piper Aircraft Inc. PA-20S ([TCDS 1A4](https://openairdocs.org/tcds/1A4))
- Piper Aircraft Inc. PA-20S-115 ([TCDS 1A4](https://openairdocs.org/tcds/1A4))
- Piper Aircraft Inc. PA-20S-135 ([TCDS 1A4](https://openairdocs.org/tcds/1A4))
- Piper Aircraft Inc. PA-22 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22-108 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22-135 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22-150 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22-160 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22S-135 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22S-150 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22S-160 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))

## 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.

FAA Form 8110-2(10-68) Page 1 of 3 Number SA02484AK This Certificate issued to Marvin E. Trimmer P.O. Box 361 Willow, Alaska 99688 Part 23 of the Federal Aviation Regulations.

Installation of Sensenich W80CM8 wood propeller in accordance with Master Data List (MDL) MDL-012, revision N/C, dated March 13, 2017, or later FAA approved revision.

1) The installer must determine whether this design change is compatible with previously approved modifications.

2) 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.

3) Piper PA-22 Aircraft must have been converted to an FAA approved PA-20 configuration prior to installation of this modification.

(Limitations and Conditions continue on page 3)

Date of application: November 5, 2014 :

Date of issuance: March 13, 2017

**See Approved Model List (AML) No. SA02484AK Revision N/C, Dated March 13, 2017, or later FAA approved Revision.** Date reissued:

(Signature) August A. Asay Manager, Anchorage Aircraft Certification Office

(Title)

FAA Form 8110-2-1(10-68) Page 3 of 3

Number SA02484AK

4) Installation shall be performed and maintained in accordance with Trimmer Aviation, LLC installation instructions, document number II-012, Revision N/C, dated March 10, 2017, or later FAA accepted revision and Sensenich Wood Propellers: Installation, Operation, & Maintenance, document number WOOD-CF, revision B, dated July 29, 2015. The existing instruction for continued airworthiness information has been determined to remain adequate for this modification.

5) Main gear must have FAA approved installation of 8.50x6, or larger, tires or skis with minimum pedestal height of 7.29 inches.

6) Airplane must be equipped with FAA approved installation of Lycoming O-360-A1A, A1D, A2A, A2D, A2E, A2F, A3A, A3D, A4A, A4M, A4N, or A4P engine.

7) Airplane Flight Manual Supplement (AFMS), document number AFMS-012, revision IR, dated March 13, 2017, or later FAA approved revision is required to be carried on the aircraft as part of this modification.

### SA02484AK_AML.pdf

United States Of America Department of Transportation - Federal Aviation Administration

Marvin E. Trimmer Approved Model List (AML) Number SA02484AK P. O. Box 361 Revision: N/C Willow, AK 99688-0361 Date of Issuance: March 13, 2017

AML for the Installation of Wheels and Brakes.

Page 1 of 1

**AIRPLANE MAKE**

**AIRPLANE MODEL TYPE**

**CERTIFICATE NUMBER**

**CERTIFICATION**

**BASIS FOR**

**ALTERATION**

**REQUIRED INSTALLATION**

**INSTRUCTIONS**

**REQUIRED AIRPLANE**

**FLIGHT MANUAL**

SUPPLEMENT Piper Aircraft, Inc. PA-16 PA-16S 1A1 CAR 3 II-012, Revision N/C, Dated March 10, 2017 or later FAA approved revisions AFMS-012, Revision IR, Dated March 13, 2017 or later FAA approved revisions Piper Aircraft, Inc. PA-20 PA-20S PA-20 “115” PA-20S “115” PA-20 “135” PA-20S “135” 1A4 CAR 3 II-012, Revision N/C, Dated March 10, 2017 or later FAA approved revisions AFMS-012, Revision IR, Dated March 13, 2017 or later FAA approved revisions Piper Aircraft, Inc. PA-22 PA-22-108 PA-22-135 PA-22S-135 PA-22-150 PA-22S-150 PA-22-160 PA-22S-160 1A6 CAR 3 II-012, Revision N/C, Dated March 10, 2017 or later FAA approved revisions AFMS-012, Revision IR, Dated March 13, 2017 or later FAA approved revisions

## Every issue (1)

- March 13, 2017: Issued, Current. [certificate](https://openairdocs.org/files/sha256/4b/37/4b37519fcd40fba64f429f3d3196e4c3e6900382678843e128e3231da09e5686), [SA02484AK_AML.pdf](https://openairdocs.org/files/sha256/5a/71/5a71692aed32d41b86212d7bafa1267ca6a075e6a243c0ee943be81dd110ffc6)

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