# STC SA55SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Pat Thayer Aviation Electronics, Inc., United States
- Description: Installation of Electrical pitch trim system.
- Applied: February 22, 1962
- Status date: June 27, 1962
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-765](https://openairdocs.org/tcds/A-765)
- Certificate PDF: https://openairdocs.org/files/sha256/0a/d4/0ad441195f7d3ec84906964970294acf776ab14d62659edd2d61cc4f304ed5b3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4BF73340BED5BB7F86257EE0005FC778.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA55SW

## ADs that name it (0)

None.

## Approved models (6)

- Beechcraft Corporation C-45G ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Beechcraft Corporation C-45H ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Beechcraft Corporation D18S ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Beechcraft Corporation E18S ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Beechcraft Corporation TC-45G ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Beechcraft Corporation TC-45H ([TCDS A-765](https://openairdocs.org/tcds/A-765))

## 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.

**FEDERAL AVIATION AGENCY**

**SUPPLEMENTAL TYPE CERTIFICATE FORM APPROVED, BUDGET BUREAU NO. 04-R015**

**INSTRUCTIONS - SUBMIT IN TRI PLICATE TO LOCAL FAA FLIGHT STANDARDS INSPECTOR.**

**COPY WILL BE RETURNED TO APPLICANT UPON**

**ISSUANCE**

1. NAME AND ADDRESS OF APPLICANT Pat Thayer Aviation t-lectronica,Inc.206 E« fermlm*! DriveInternational AirportAntonio, fexa»

2. SUPPLEMENTAL TYPE CERTIFICATE APPLIED FOR:

K, | AIRCRAFT I I ENGINE I I PROPELLER

ORIGINAL MODEL DESIGNATION NEW MODEL DESIGNATION (If detired) Installation of electrical pitch trim system Inaccordance with Pat Thayer Aviation ileetronles, Inc.Drawing No. 1002, Kevltlon "A", dated 7-26-61, throughRevision C dated 5/3/62.

NOTE: Pat Thayer Aviation Electronics, Inc. FAA approved Airplane Flight Manual Supplement dated 5/4/62 required.

_. WILL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS? 3CD YES

b. WILL PARTS BE MANUFACTURED FOR SALE (Kef. CAR 1.55)7 jf~l YES NO NO

5. SIGNATURE AND TITLE OF APPLICANT February 22f 1962DATE OF APPLICATION TITLE

6. To be Compteted by FAA

NATURE AND LOCATION OF DATA H». 26Jt Data liatad in ItMt 3 ate**, en* ti*ea DO Btohart ». Craft*• rAA-1600* aateA 2/26/62. S/21/62 aa« 3/S/62 ea file at W-210.

l«f«r«nee Project A29SW-0.

Je»Uae»U GAl 03 of li/lS/45, ORIGINAL TYPE CERTIFICATE NO.

•IPPLEMENTAL TYPE CERTIFICATE NO.

•ASSfH

DATE OF APPROVAL b/27/62

FAA APPROVAL SI6NATURE Chief, lesinecriat & Hwifacturin* Tl TLE FORM FAA-2417 (5-59)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee).

(Address of transferee). I .VumttT tnd Ortrl) (do. Stale, fixl yP ndi) from (Name of grantor) (Print or type).

(Address of grantor) nJ atttt) (Cify. Suit, t*J ZIP nJft Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- June 27, 1962: Issued, Current. [certificate](https://openairdocs.org/files/sha256/0a/d4/0ad441195f7d3ec84906964970294acf776ab14d62659edd2d61cc4f304ed5b3)

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