STC SA7126SW-D

Supplemental type certificate · S-TEC Corporation

Holder
S-TEC Corporation · United States
Status
Current · Amended
Status date
April 24, 1996
Applied
November 12, 1986
Product
Aircraft · Small Multi-Engine
Certification basis
Part 21
Data sheet
TCDSA7CE

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-379.

What the certificate saysOCR

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

Sit 500s a 20 rica Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA71265W-D This certificate issued to: S-TEC Corporation 946 Pegram Mineral Wells, TX 76067 Port 3 sf the CiVIl Air Regulations.

Original Product Type Cortificate Numbon: ATCE Make: Cessna Model: 414, 421, 421A, and 4218 Description of Type Design Change:

Installation of S-TEC System 65 Two Axis Automatic Flight Guidance System, Model ST-379, according to Bulletin No. 479, Revision 6, dated 4-16-96 and Master Drawing List No. 92398, Revision F, dated 4-16-96 with Optional Flight Director/ Steering Horizon or later FAA Approved revisions of the above data (28 Volt System).

1. Also eligible on Cessna Model 414 When Modified Per STC SA2354SW, STC SA43795W or STC SA5998SW (RAM 325 H.P. Engine Conversion) or STC SA8424SW (RAM 335 H.P.

Engine Conversion) or STC SA2860SW (Riley 400 H.P. Engine Conversion).

(See Continuation Sheet, Pages 2 and 3, a part of this STC.)

12-05-86 Dalssmended: 3-16-87, 8-27-87, 2-28-91, 5-29-91, By direction of the og ministan , Kevision | FEDERA TIATION Winni Homes (Signature, TRINIST RAYE William J. Thomas DAS Staff Coordinator, DAS 5 SW (Title)

97.

ГАл Кoкm 8110-2 (10-68)

Ariced States of Surica Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA71265W-D, Revision 5 Limitations and Conditions: (con't.)

2. Also eligible on Cessna Model 421B When Modified Per STC SA18NW (Robertson STOL Conversion).

3. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89708, dated 12-05-86 is required for Cessna Model 421B or later FAA Approved revisions of the above supplement.

4. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89708-1, dated 8-27-87 is required for Cessna Model 421B or later FAA Approved revisions of the above supplement.

5. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89709, dated 12-05-86 is required for Cessna Model 421B When Modified In Accordance With STC SA18NW (Robertson STOL Conversion) or later FAA Approved revisions of the above supplement.

6. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89709-1, dated 8-27-87 is required for Cessna Model 421B When Modified In Accordance With STC SA18NW (Robertson STOL Conversion) or later FAA Approved revisions of the above supplement.

7. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89732, dated 3-16-87 is required for Cessna Model 414 or later FAA Approved revisions of the above supplement.

8. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/ B973SC'Sd235427-SA435 (R25 sa Model 414 And When Modified Per STC Engine Conversion) or later FAA Approved revisions of the above supplement.

9. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 89732-2, dated 4-24-96 is required for Cessna Model 414 And When Modified Per STC SA2354SW, STC SA4379SW or STC SA5998SW (RAM 325 H.P. Engine Conversion) or STC SA8424SW (RAM 335 H.P. Engine Conversion) or later FAA Approved revisions of the above supplement.

10. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N89917, dated 2-28-91 is required for Cessna lodels 421 and 421A or later FAA Approved revisions of the above supplement.

les siseraton of this cersifcate is punishable by a fine of not exceeding S1,000, or imprisonment not exceeding 3 years, or hoth (AA FORM 81102-1 (10-68) This certificate may be transferred in accordance with tIll i1.t?

Mimiced Scares of Guerica Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA1265N-D, Revision 6 Limitations and Conditions: (con't.)

11. FAA Approved Supplement to Pilot's Operating Handbook and/or FAA Approved Airplane Flight Manual, P/N 89924S, dated 5-29-91 is required for Cessna Model 414 When Modified Per STC SA2680SW (Riley 400 H.P. Engine Conversion) or later FAA Approved revisions of the above supplement.

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

ti PAGE 3 OF 3 PAGES

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) Exent of Authority (if licensing agreement) :

Signature of grantor (1n ink) :

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
The Cessna Aircraft Company414A7CE
The Cessna Aircraft Company421A7CE
The Cessna Aircraft Company421AA7CE
The Cessna Aircraft Company421BA7CE