Supplemental type certificate · S-TEC Corporation

Holder
S-TEC Corporation · United States
Status
Current · Amended
Status date
August 20, 2001
Applied
August 15, 1995
Product
Aircraft · Small Airplane
Certification basis
Part 21
Data sheet
TCDSA-782

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 55 two axis automatic flight guidance system with optional autotrim system, Model ST-580.

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 5A09019AC-D This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 I art 3 of the Civid In Regulations.

Original Product Type Cortificate A unter: A-782 Make: Navion Model: A, B, D, E, F, G, and H Description of Type Design Change:

Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-580, according to Bulletin No. 680, Revision 2, dated 8-15-01 and Master Drawing List No. 92777, Revision B, dated 8-15-01 or later FAA Approved revisions of the above data (14 Volt System).

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.

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

Date of Application: 8-15-95 Date visued:

Lute of ismance: 8-18-95 Date Amended: 10-16-95, 8-20-01 By Direction of the Administrator FEDERAL AVIATION ти к (Signature) Michael Keirnan TOMINSTRATO DAS Staff Coordinator, DAS 5 SW (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA09019AC-D Limitations and Conditions: (con't.)

1. Also eligible on Navion models A, B, D, E, F, G, and H when modified by Palo Alto Airport, Inc. or Symon's Engineering horizontal stabilizer angle of incidence change with or without tip tanks and the above models when modified by 285 H.P. engine conversion.

FAA/DAS Approved Supplemental Flight Manual, P/N 891193, dated 8-18-95 is required for Navion Models A, B, D, E, and F When Modified Per STC SA4-241 (Stabilizer Modification) and STC SA4-915 (Tip Tanks) And The Above Models When Modified By 285 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 891210, dated 10-16-95 is required for Navion Models G and H or later FAA Approved revisions of the above supplement.

4. FAA/DAS Approved Supplemental Flight Manual, P/N 891193, Revision 1, dated 8-20-01 is required for Navion models A, B, D, E, and F when modified by Palo Alto Airport, Inc. or Symon's Engineering horizontal stabilizer angle of incidence change with or without tip tanks and the above models when modified by 285H.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 891210, Revision 1, dated 8-20-01 is required for Navion models G and H when modified by Palo Alto Airport, Inc. or Symon's Engineering horizontal stabilizer angle of incidence change with or without tip tanks and the above models when modified by 285H.P. engine conversion or later FAA Approved revisions of the above supplement.

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

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

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 · 7

MakeModelData sheet
Sierra Hotel Aero Inc.Navion A (Army L-17B and L-17C)A-782
Sierra Hotel Aero Inc.Navion BA-782
Sierra Hotel Aero Inc.Navion DA-782
Sierra Hotel Aero Inc.Navion EA-782
Sierra Hotel Aero Inc.Navion FA-782
Sierra Hotel Aero Inc.Navion GA-782
Sierra Hotel Aero Inc.Navion HA-782