Supplemental type certificate · S-TEC Corporation

Holder
S-TEC Corporation · United States
Status
Current · Amended
Status date
July 1, 2003
Applied
October 23, 1998
Product
Aircraft · Small Multi-Engine
Certification basis
Part 21
Data sheet
TCDSA20SO

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-849

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: SA09397ACD SP1959AC-A JRS -150 This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 Purt 3 of the Civil Air Regulations.

Original Product Type Certificate Namber: A20SO Make: Piper Model: PA-31, PA-31-300, PA-31-325, and PA-31-350 Description of Type Design Change: Installation of S-TEC System 65 Two Axis Automatic Flight Guidance System, Model ST-849, according to Bulletin No. 949, Revision 5, dated July 1, 2003, and Master Drawing List No. 921136, Revision E, dated July 1, 2003, or later FAA approved revisions (28 volt System). See Continuation Sheet, Page 3) Limitations and Conditions:

1. Also eligible on Models PA-31, and PA-31-300 when modified per STC SA970SO.

2. Also eligible on Model PA-31-325 when modified per STC SA00048SE.

(See Continuation Sheet, Page 3) Owsley Manager, Airplane Certification Office, Southwest Region (Title)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and RIP code ) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and RIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Description of Type Design Change: (continued)

1. For Piper models PA-31 and PA-31-300, FAA/DAS approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891822, dated November 9, 1998, or later FAA/DAS approved revision is required.

2. For Piper models PA-31-325, FAA/DAS approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891823, dated November 9, 1998, or later FAA/DAS approved revisions is required.

3. For Piper Models PA-31-350, FAA approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 891824, Revision 2, dated July 1, 2003, or later FAA approved revisions is required.

Limitations and Conditions: (continued)

3. Also eligible on Models PA-31-350 when modified with STCS SA1151SO, SA5796NM, SA00192SE, SA00039SE and/or STC SA00126SE.

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

END or imprisonment not exceeding 3 years, or both.

FAA Form 8110-2-1(10-69) Page 3 of 3

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
Piper Aircraft Inc.PA-31A20SO
Piper Aircraft Inc.PA-31-300A20SO
Piper Aircraft Inc.PA-31-325A20SO
Piper Aircraft Inc.PA-31-350A20SO