# STC SA3254SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell command electric trim system model AK 678.
- Applied: December 6, 1977
- Status date: March 28, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3SO](https://openairdocs.org/tcds/A3SO)
- Certificate PDF: https://openairdocs.org/files/sha256/b1/38/b138f907bbffd45da0f84474a35472effdfeaf1e09c654c45848237d1e003cbf
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3F9CB46122147DE386257DA80065F3C1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3254SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Piper Aircraft Inc. PA-32RT-300 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- Piper Aircraft Inc. PA-32RT-300T ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA325454-8 This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. O. Box 610 Mineral Wells, TX 76067 Purt 3 of the CIV11 A IT Regulations.

Original Product -Type Certificate Number: A3SO Make: Piper Model: PA-32RT-300, PA-328T-300I Description of Type Design Change:

nstallation of Mitchell Command Electric Trim System Model AKO/o according t Bulletin No. 807, Rev. 2, dated 4-19-78 and Master Drawing List No. 87A974, Rev. B dated 4-19-78 (14 Volt System), or later FAA approved revision.

KYRApped a for Operating Handbook Supplement P/N 685616 dated 2-13-78 18 required for PA-32RT-300; Bupplement P/N 68699 dated 5-15-78 is required for Model PA-32RT-300T.

A placard stating "Conduct trim check prior to flight - See POH" is required for owners with Pilot's Operating Handbooks. A placard statingConduct trim check prior to flight - see AFM" is required for owners wth airplane flight manuals.

compatibility of this modification with other previously approved modifications

Date of Application: 22-6-11 Jule reissued: 5-15-78; 3-28-84 Rev1Bion 2 Date of Issuance: 2-13-78 Date Amended:

EDERAL AVIATION By dingtign the Iderinistralen Don P. Watson (Signature ) * MINISTRATO Manager, Aircraft Certification Division Southwest Region (Title)

47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) (Yumber and streel) (City, Stake, and SIP rode) from (Name of grantor) (Print or type) (Address of grantor) ( Number and sireel ;

(City, Stake, and ZIP code) Extent of Authority (if licensing agreement):

Date of Transfer: _ Signature of grantor (In ink): - + 11 = r. 01. 1098-262-100

## Every issue (1)

- March 28, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b1/38/b138f907bbffd45da0f84474a35472effdfeaf1e09c654c45848237d1e003cbf)

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