STC SA2143WE

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

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

Number: SA2143WE

Part 3 of the Civil Air Regulations, effective May 15, 1956 thru Amendment 3-2 and Paragraph 3.304 and 3.705 of Amendment 3-7 effective May 3, 1962.

Original Product – Type Certificate Number: 2A13 Make: Piper Model: PA 28-235 S/N 28-10001 thru 28-7210023 PA 28-235 S/N 28-7310001 and up

For S/N 28-10001 thru 28-7210023, installation of recontoured wing leading edge, drooped ailerons in flaps down mode, wing stall fences, fuselage flap, raked wing tips, flap actuated elevator trim spring, modified flap cove and dorsal fin per FAA sealed Robertson Aircraft Drawing List No. 17.

Installation for S/N 28-7310001 and up same as above except dorsal fin is optional and elevator trim spring is not applicable.

Robertson Aircraft FAA approved Airplane Flight Manual Supplement No. 17- 7 (S/N 28-10001 thru 28-7210023) or No. 17-11 (S/N 28-7310001 and up) dated May 16, 1973, is required.

Date of Application: January 27, 1970 Date Reissued: 11/8/84; 10/10/86; 9/8/05; 7/31/17 Date of Issuance: April 10, 1970 Date Amended: 12/30/70; 5/16/73

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 5

Transfer the ownership of Supplemental Type Certificate Number: SA2143WE

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: SA2143WE

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

Date of Issuance: April 10, 1970 Date Amended: May 16, 1973 Date of Reissuance: July 31, 2017

This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft.

STC Addendum SA2143WE is a part of this Certificate. A copy of this Certificate shall be maintained as part of the modified aircraft’s permanent records.

The conditions and limitations of Type Certificate Data Sheet No. 2A13 apply except as follows:

This STC Addendum, which is a part of Supplemental Type Certificate No. SA2143WE, prescribes conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Civil Air Regulations. A copy of this STC Addendum is required to be maintained as part of the modified aircraft’s permanent records.

SUPPLEMENTAL TYPE CERTIFICATE HOLDER: R/STOL SYSTEMS, INC.

VI. MODEL PA-28-235 (Normal Category) S/N 28-10001 through 28-7210023

Airspeed Limits Never Exceed 194 mph (169 knots) CAS Flaps Extended 100 mph (87 knots) CAS

Control Surface Movements

Ailerons

Aileron Flap Position Droop Position Aileron Movement 0° 0° + 2°, -0° 30° ± 2° UP 15° ± 2° DN 10° 2° + 2°, -1° 30° ± 2° UP 15° ± 2° DN 25° 19° + 1°, -2° 27° ± 2° UP 20° ± 2° DN 40° 15° + 1°, -2° 28° ± 2° UP 20° ± 2° DN

Stabilizer (± 1°) Up 16° Down 2°

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA2143WE

FAA Form 8110-2 (5/14) Page 4 of 5

Date of Issuance: April 10, 1970 Date Amended: May 16, 1973 Date of Reissuance: July 31, 2017

XIII. Model PA-28-235 (Normal Category) S/N 28-7310001 and up

Airspeed Limits – Same as VI above.

Control Surface Movements – Same as VI above.

Data Pertinent to All Models

Equipment: In addition to the basic required equipment and airplane flight manuals, the following FAA Approved Airplane Flight Manual Supplements are required:

Robertson Aircraft FAA Approved Airplane Flight Manual Supplement No. 17 -7 dated May 16, 1973, for Model PA-28-235 S/N 28-10001 through 28-7210023.

Robertson Aircraft FAA Approved Airplane Flight Manual Supplement No. 17- 11 dated May 16, 1973, for Model PA-28-235 S/N 28-7310001 and up.

Note. 2: The placards specified in Type Certificate Data Sheet No. 2A13 and in Piper AFM’s must be displayed plus the following changes made by the FAA Approved Robertson Aircraft Airplane Flight Manual Supplements:

A. Airspeed Instrument Markings S/N 28-10001 thru 28-7210023

Red Radial Line Never Exceed 194 mph (169 knots) CAS

Yellow Arc Caution Range 156-194 mph (136 to 169 knots) CAS

Green Arc Normal Operating Range 64-156 mph (55-130 knots) CAS

White Arc Flap Down Range 55-100 mph (48-87 knots) CAS

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA2143WE

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

Date of Issuance: April 10, 1970 Date Amended: May 16, 1973 Date of Reissuance: July 31, 2017

B. Airspeed Instrument Markings S/N 28-10001 thru 28-7210023

Red Radial Line Never Exceed 194 mph (169 knots) CAS

Yellow Arc Caution Range 156-194 mph (136 - 169 knots) CAS

Green Arc Normal Operating Range 67-156 mph (58-136 knots) CAS

White Arc Flap Down Range 58-100 mph (50-87 knots) CAS -END-

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA2143WE

FAA Form 8110-2 (5/14) Page 6 of 5