STC SA8391SW-D

Supplemental type certificate · S-TEC Corporation

Holder
S-TEC Corporation · United States
Status
Current · Issued
Status date
May 13, 1994
Applied
May 11, 1994
Product
Aircraft · Small Multi-Engine
Certification basis
Part 21
Data sheet
TCDS1A10

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 5, 2025.

What it approves

Installation of S-TEC System 65 two axis automatic flight guidance system, Model ST-533.

What the certificate saysOCR

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

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA839154-0 This certificate issued to: S-TEC Corporation 946 Pegram Mineral Wells, Texas 76067 Certifies that the change in the type design for the following product with the limilations and conditions shamefor as specified heron meets the sinvonhiness requisoments of Port 3 of the CiVIl Air Regulations Original Product -Type Contificate Numbon: 1A10 Make: Piper Model: PA-23-235 and PA-23-250 Dissoviption of Typo Desigo Change:

Installation of S-TEC System 65 Two Axis Automatic Flight Guidance System, Model ST-533, according to Bulletin No. 633, dated 5-10-94 and Master Drawing List No.

92682, dated 5-10-94 with Optional Flight Director/Steering Horizon or later FAA Approved revisions of the above data (14 Volt System).

1. Only eligible on Model PA-23-250, S/N 27-1 through S/N 27-504.

2. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891096, dated 9-10-94 is required for Piper Models PA-23-235; and PA-23-250, S/N 27-1 Through S/N 27-504 or later FAA Approved revisions of the above supplement.

(See Continuation Sheet, Page 2, a part ot this SiC.)

Thomas DAS Staff Coordinator, DAS 5 SW (Title)

This certificate may be transferred in accordance with FAR 21.17 FAX FOR 81 10-2 (10-68)

niced Stores of merica Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Numbex 5A8391 5W-D Limitations and Conditions: (con't.)

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

or hoth FAR FORM 911UZ-1 (1068) This certificate may be transferred in accordance with fill i1.t7.

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 and street) ( City, State, and ZIP code) Extent of Authority (if licensing agreement): - Date of Transfer:

Signature of grantor (In ink): - U.S. GOVERNMENT PRINTING OFFICE: 1966 OF-205-579

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 2

MakeModelData sheet
The New Piper Aircraft Inc.PA-23-2351A10
The New Piper Aircraft Inc.PA-23-2501A10