# STC SA09430AC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 550 Flight Director/Autopilot with trim, yaw damper, and altitude selector alerter, Model ST-845.
- Applied: May 25, 2000
- Status date: September 27, 2000
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A25SO](https://openairdocs.org/tcds/A25SO)
- Certificate PDF: https://openairdocs.org/files/sha256/40/d5/40d507a6dbe1b66e5291a1acb55e1c29ef6806b98f803393785d7f56df3c18a6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/629C2675BAEE5C4785256CC1007F3AFB.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA09430AC-D

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-46-500TP ([TCDS A25SO](https://openairdocs.org/tcds/A25SO))

## What the certificate says

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA09430ACD This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 Part 23 of the Federal s/ vintion Kegulations.

Crapnal I reduct I ype Certificate A umber: A25SO Make: Piper Al edel : PA-46-500TP Description of Type Design Change:

Installation of S-TEC System 550 Flight Director/Autopilot with Trim, Yaw Damper, and Altitude Selector Alerter, Model ST-845, according to Bulletin No. 945, dated 5-24-00 and Master Drawing List No. 921171, dated 5-24-00 (28 Volt System).

(See Continuation Sheet, Page 2, a part of this STC.)

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.

suspended, revoked or a termination dute is otherise established by the d ministrator of the Federad st vation / dministration.

Date of Application: 5-25-00 Date Reissued:

Late of issmence: 9-27-00 Date Amended:

By Direction of the Administrator FEDERAL AVIATION (Signature) TOMNISTRATOS Michael Keirnan DAS Staff Coordinator, DAS 5 SW (Title) 000, or imprisonment not exceeding 3 years. or both FAA Form 8110-2 (10-68) Page 1 of ?

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA09430AC-D Limitations and Conditions: (con't.)

FAA/DAS Approved Pilot's Operating Handbook and Airplane Flight Manual Supplement, P/N 892036, dated 9-27-00 is required for Piper model PA-46-500TP or later FAA Approved revisions of the above supplement.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

000, or imprisonment not exceeding 3 years, or both.

FAA Form 8110-2-1(10-69) Page 2 of 2

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

(Address of transferee) (Number and street) (City, State, and ZIP code) from (Name of grantor) (Print or type) (Address of grantor) (Number & street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- September 27, 2000: Issued, Current. [certificate](https://openairdocs.org/files/sha256/40/d5/40d507a6dbe1b66e5291a1acb55e1c29ef6806b98f803393785d7f56df3c18a6)

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