STC SA5139SW-D

Supplemental type certificate · S-TEC Corporation

Holder
S-TEC Corporation · United States
Status
Current · Amended
Status date
March 25, 2002
Applied
November 22, 1982
Product
Aircraft · Single-Engine
Certification basis
Part 21
Data sheet
TCDS3A12

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 60 Two Axis Automatic Flight Guidance System, Model ST-025

What the certificate saysOCR

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 SAS139SW-D This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 Part 3 of the Civil dis Regulations.

Original Product Type Certificate Number: ЗА12 Make: Cessna Model: 172M, 172N, 172P, and 172Q Description of Type Design Change:

Installation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model ST-025, according to Bulletin No. 128, Revision 13, dated 3-20-02 and Master Drawing List No. 9226, Revision M, dated 3-20-02 or later FAA Approved revisions of the above data (28 Volt System).

(See Continuation Sheet, Page 2 and 3, 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.

Date of Application: 11-22-82 Date Reissued:

Date of Issuance: 2-28-83 Date Amended: 7-27-83, 12-12-83, 12-13-84, 8-13-86, 3-25-02 By Direction of the Administrator (Signature) TOMNISTRATIO Michael Keirnan DAS Staff Coordinator, DAS 5 SW (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SAS139SW-D Limitations and Conditions: (con't.)

Also eligible on Cessna models 172M, 172N, and 172P when modified by 180 H.P. engine conversion.

FAA Approved Supplemental Flight Manual, P/N 8923-2, dated 2-28-83 is required for Cessna Model 172N, S/N 17271034 and below or later FAA Approved revisions of the above supplement.

3. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 8970-2, dated 2-28-83 is required for Cessna Model 172N, S/N 17271035 and on and Cessna Model 172P or later FAA Approved revisions of the above supplement.

FAA Approved Supplemental Flight Manual, P/N 8923-3, dated 7-27-83 is required for Cessna Model 172M, 172N, S/N 17271034 and below or later FAA Approved revisions of the above supplement.

FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 8970-3, dated 7-27-83 is required for Cessna Model 172N, S/N 17271035 and on and Cessna Model 172P or later FAA Approved revisions of the above supplement.

supplement.

FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 8970-4, dated 12-12-83 is required for Cessna Models 172N, S/N 17271035 and on, 172P and 172Q or later FAA Approved revisions of the above supplement.

FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 8970-5, dated 12-13-84 is required for Cessna Models 172N, S/N 17271035 and on, 172P and 172Q or later FAA Approved revisions of the above supplement.

FAA Approved Supplemental Flight Manual, P/N 8923-5, dated 8-13-86 is required for Cessna Models 172M, 172N, S/N 17271034 and below and Cessna Models 172M, 172N, S/N 17271034 and below when modified by 180 H.P. Engine Conversion or later FAA Approved revisions of the above supplement.

FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 8970-6, dated 8-13-86 is required for Cessna Models 172N, S/N 17271035 and on, 172P and 172Q and Models 172N, S/N 17271035 and on, and 172P when modified by 180 H.P. Engine Conversion or later FAA Approved revisions of the above supplement.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SAS139SW-D Limitations and Conditions: (con't.)

II. FAA/DAS Approved Supplemental Flight Manual, P/N 8923, Revision 6, dated 3-25-02 is required for Cessna models 172M and 172N, S/N 17271034 and below and these models when modified by 180 H.P. engine conversion or later FAA Approved revisions of the above supplement.

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 8970, Revision 7, dated 3-25-02 is required for Cessna models 172N, S/N 17271035 and on, 172P and 172Q and models 172N, S/N 17271035 and on, and 172P when modified by 180 H.P.

engine conversion or later FAA Approved revisions of the above supplement.

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

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 · 4

MakeModelData sheet
Textron Aviation Inc.172M3A12
Textron Aviation Inc.172N3A12
Textron Aviation Inc.172P3A12
Textron Aviation Inc.172Q3A12