Supplemental type certificate · Sierra Industries Ltd.

Holder
Sierra Industries Ltd. · United States
Status
Current · Reissued
Status date
July 31, 2017
Applied
March 1, 2011
Product
Aircraft · Small Airplane
Certification basis
Part 21, Part 23, Part 25
Data sheet
TCDSA27CE

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 5, 2025.

What it approves

Installation of Optional Engine Indicating System (EIS)

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.

FAA Form 8110-2 (5/14) Page 1 of 3

Reissued on July 31, 2017 to supersede the original STC, which has been lost or misplaced.

Number: SA11050SC-D

Part 23 and 25 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: A27CE Make: Cessna Model: 501 Description of Type Design Change:

Installation of a 3-tube Garmin G950 Avionics System with TCAS I, TAWS B, Graphical Weath er and Synthetic Vision in accordance with Master Drawing List SI470-001, Revision M, dated April 23, 2012 or later FAA approved revision. Airplane Flight Manual Supplement SI470-835, Revision B, dated April 23, 2012 or later FAA approved revision is required. Instructions for Continued Airworthiness (ICA), Sierra Industries, Inc. document number SI470-838, Revision B, dated November 16, 2011 or later FAA accepted revision must be available to the operator at the time of installation.

The installer must determine whether this design change is compatible with previously approved modifications. 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: March 1, 2011 Date Reissued: July 31, 2017 Date of Issuance: October 07, 2011 Date Amended: April 25, 2012

Signature

Title Jim Grigg Manager, Fort Worth A CO Branch, Compliance & Airworthiness Division Sierra Industries, Ltd.

122 Howard Langford Drive Uvalde, TX 78801

FAA Form 8110-2 (5/14) Page 2 of 3

Transfer the ownership of Supplemental Type Certificate Number: SA11050SC-D

To (Name and address of transferee)

From (Name and address of grantor)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA11050SC-D

FAA Form 8110-2 (5/14) Page 3 of 3

Date of Issuance: October 07, 2011 Date Amended: April 25, 2012 Date of Reissuance: July 31, 2017

New Certification Basis:

Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for the Cessna 501 modified by installing a 3-tube Garmin G950 Avionics System with TCAS I, TAWS B, Graphical Weather and Synthetic Vision is as follows:

a. The type certification basis for Cessna 501 airplanes is shown on TCDS A27CE for parts not changed or not affected by the change.

b. The certification basis for parts changed or affected by the change since the reference date of applications, March 1, 2011, is based upon part 23 as amended by Amendment 23-59 and part 25 as amended by Amendment 25-132:

Based on 14 CFR §21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for this modification were determined to be:

Regulations at the latest amendment 23-0 through 23-59 14 CFR §23.1, 23.23(b), 23.301(a)(b), 23.303, 23.305, 23.307(a), 23.341(a), 23. 365(a)(d), 23.561(a)(b)(e), 23.571,

23.573(b), 23.575, 23.601, 23.603, 23.605(a), 23.609(a), 23.611, 23.613(a)(b), 23.619, 23.625(a)(c), 23.627, 23.771(a),

25.773(a), 23.777(a)(b), 23.867(b1), 23,1301, 23.1303(a)(b)(c)(d)(e)(f), 23.1307, 23.1308(d), 23.1309, 23.1311, 23.1321,

23.1322, 23.1323(a)(b)(c)(d), 23.1325(a)(b1), 23.1327(a), 23.1329(h), 23.1331, 23.1335, 23.1351(a), 23.1353, 23.1357,

23.1359(c), 23.1365(a)(b)(d)(e), 23.1367, 23.1381, 23.1431, 23.1501, 23.1519, 23.1523, 23.1525, 23.1529, 23.1541,

23.1543, 23.1545, 23.1547, 23.1555(a), 23.1581, 23.1583(a)(g)(h)(m), 23.1585(a).

Regulations at the latest amendment 25-0 through 25-132

25.1303, 25.1323(a)(b)(c)(f)(g), 25.1325, 25.1581, 25.1583(h), 25.1585(a)(b).

Regulations at an intermediate amendment None

Regulations at the amendment level in TCDS A27CE None

-END-

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA11050SC-D

FAA Form 8110-2 (5/14) Page 4 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 · 1

MakeModelData sheet
Textron Aviation Inc.501A27CE

Every issue · 3

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
July 31, 2017Reissued, currentCertificate
May 16, 2017Amended, earlier issueCertificate
October 7, 2011Issued, earlier issueCertificate