STC SA501SW

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

Number: SA501SW Reissued on August 23, 2016 to supersede the original STC, which has been lost or misplaced

This certificate issued to: Martin Slone 401 Lakeview Dr.

Oldsmar, FL 34677

Part 8 of the Civil Aviation Regulations.

Original Product – Type Certificate Number: 2A10 Make: Piper Model: PA-25 ; PA-25-235; PA-25-260 Description of Type Design Change:

Installation of special rib and metal skin on Piper wing in accordance with Installation Instructions date 3/11/65, revised 3/7/67 adding Drawing 206 plus Drawing SPD 20075 dated 1/2/74; additional modifications for PA-25, Serial Nos. 25-7405573 and subsequent according to Drawings No. 423, No. 424, and No. 425.

Date of Application: February 02, 1965 Date Reissued: June 25, 2003; August 23, 2016 Date of Issuance: March 17, 1965 Date Amended: 1/10/66; 3/13/67; 1/25/74; 3/25/74; 3/12/79; 3/15/79 Rev. 6

Signature

Title Christina Underwood, Manager Atlanta Aircraft Certification Office

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

Transfer the ownership of Supplemental Type Certificate Number: SA501SW

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: SA501SW

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

Date of Issuance: March 17, 1965 Reissuance Date: June 25, 2003

1. Maximum weight 2100 lbs.

2. C.G. range: a. Piper PA-25: (+10.0) to (+16.5) at 1600 lbs. or less (+11.2) to (+16.5) at 2100 lbs.

Straight line variation between points given.

b. Piper PA-25-235 and PA-25-260 (+85.6) to (+92.5) at 1793 lbs. or less (+86.3) to (+92.5) at 2100 lbs.

Straight line variation between points given.

3. Life struts, internal drag bracing, and spars to be the same as PA-25-235.

4. Eligible only on aircraft certificated in restricted category.

5. Modification to be made only at the facilities of the applicant.

6. Refer to Airworthiness Directive 73-26-2 (and revisions) for additional information on requirements for SPD 20075.

7. Compatibility of this design change with previously approved modifications must be determined by the installer. 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.

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