What it approves
Installation of Pratt & Whitney PT6A-135 engines according to Drawing List 50,000L dated 12/11/79, revised 1/23/81, or later FAA approved revision.
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(10-68) Page 1 of 2 Number SA4268SW Reissued on September 23, 2011, to supersede the original STC which has been lost or misplaced.
This Certificate issued to
Part 3 of the Civil Air Regulations.
Description of Type Design Change: Installation of Pratt & Whitney PT6A-135 engines according to Drawing List 50,000L dated 12/11/79, revised 1/23/81, or later FAA approved revision.
Limitations and Conditions: FAA Approved Airplane Flight Manual dated May 18, 1981, is required. 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.
Schafer Aircraft Modifications, Inc.
501 Nutt Dr.
Valley Mills, TX 76689 A8EA Make : Piper Model : PA-31P Date of application : December 20, 1978
Date of issuance : May 18, 1981
Date reissued : September 23, 2011; May 21, 2002;
May 23, 2001 Date amended :
( Signature) S. Frances Cox Manager, Special Certification Office Southwest Region
( Title)
FAA Form 8110-2-1(10-69) Page 2 of 2
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 1
| Make | Model | Data sheet |
|---|---|---|
| Piper Aircraft Inc. | PA-31P | A8EA |
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| May 23, 2001 | Reissued, current | Certificate |
| May 18, 1981 | Issued, earlier issue | Certificate |