STC SA8385SW-D

Supplemental type certificate · S-TEC Corporation

Holder
S-TEC Corporation · United States
Status
Current · Amended
Status date
August 8, 1996
Applied
April 12, 1994
Product
Aircraft · Small Multi-Engine
Certification basis
Part 21
Data sheet
TCDS2A4

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of S-TEC System 65 two axis automatic flight guidance system, Model ST-528.

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

rf 30X3 Bcpartmrnt of transportation— jfotoal atriation administration Supplemental ¥gpc Certificate ^frf<//r SA8385SW-D S-TEC Corporation 946 Pegram Mineral Wells, TX 76067 3 jVLe C 1 V 1 1 Air 2A4 Twin Commander 680 -E Installation of S-TEC System 65 Two Axis Automatic Flight Guidance System, Model ST-528, according to Bulletin No. 628, Revision 1, dated 6-06-96 and Master Drawing List No. 92641, Revision A, dated 6-06-96 with Optional Flight Director/Steering Horizon or later FAA Approved revisions of the above data (28 Volt System).

1. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 891056, dated 4-29-94 is required or later FAA Approved revisions of the above supplement.

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

4-12-94 4-29-94 ^ S£c/mi7i* : 8-08-96, Revision 1 William 3. Thomas DAS Staff Coordinator. DAS 5 SW (T,tle) Any alteration of this certifieate it punishable by a.fine of not exceeding SI ,000, or imprisonment not exceeding 3 years, or both.

nit certifieale may te trarufrrrtJ in atn'-ana iviM FAR 21.47.

»AA taw «1 tO-1 (IO-4I)

United 3tarn of Snain Bepartmaic of Transportation—jfcdcral aoiation administration Supplemental tjpe Certificate(Continnation .Sheet) i/VMmveW SA8385SW-D, Revision 1 Limitations and Conditions (con't.)

2. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891056-1, dated 8-08-96 is required for Twin Commander Model 680-E or later FAA Approved revisions of the above supplement.

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

.I'n allertitiun of this certificate is punishable by a fint of not exceeding tl,000, or imprisonment not exceeding 3 fears, at hnih.

M inu.2-1 (10-«> Tint etrtifcaU may A« tranifir'td m accordant! with FAR .'I.-I' PACE 2 OF 2 PAGES

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ^IP 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):

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 · 1

MakeModelData sheet
Twin Commander Aircraft Corporation680-E2A4