# STC SA1161SW - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Griggs Aircraft Refinishing LLC, United States - Description: Installation of nacelle fuel tanks. - Applied: June 23, 1970 - Status date: January 13, 2017 - Product: Aircraft, Small Airplane - Certification basis: Part 21 - Data sheets: [TCDS A20SO](https://openairdocs.org/tcds/A20SO) - Certificate PDF: https://openairdocs.org/files/sha256/3b/99/3b9916bdf81ec384e6e72dabe6118131c3b595655bfa9b17aa1d60820a1aa45b - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D899C5F1C76FC9E7862580B4007041CF.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA1161SW ## ADs that name it (0) None. ## Approved models (3) - Piper Aircraft Inc. PA-31 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO)) - Piper Aircraft Inc. PA-31-325 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO)) - Piper Aircraft Inc. PA-31-350 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO)) ## What the certificate says Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record. FAA Form 8110-2 (5/14) Page 1 of Part of the Signature Title SA1161SW Griggs Aircraft Refinishing, LLC. 172 Runway Road Tunkhannock, PA 18657 Civil Air Regulations. 1. Installation of nacelle fuel tanks in accordance with: (1) Drawing List "A", dated May 15, 1997, for the Model PA-31; (2) Drawing List "B" dated December 3, 1999, for the Model PA-31-325 and PA-31-350, and (3) Drawing List "C", dated December 3, 1999, for the Model PA-31-325 and PA-31-350, or Later FAA approved drawing revisions. 1. The installer must determine whether this design change is compatible with previously approved modifications. 2. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission. 3. Baggage limited to 50-lb capacity when nacelle tanks carry full fuel. (See Limitations and Conditions continued on Page 3 of 4) Gaetano Sciortino Manager New York Aircraft Certification Office Piper PA-31; PA-31-325; PA-31-350 March 5, 2004, June 8, 2015, October 15, 2015, June 22, 2016, January 13, 2017 August 16, 2002 Rev 16 June 23 1970 June 24, 1970 A8EA 4 FAA Form 8110-2 (5/14) Page 2 of To (Name and address of transferee) From (Name and address of grantor) 4 SA1161SW FAA Form 8110-2 (5/14) Page 3 of Item No. Serial No. Lugga ge Locker FAA Approved Supplements to Pilot's Operating Handbook and/or FAA Approved Airplane Flight manual Basic Airplane Flight Manual Weight and Balance Plot Change Dwg. 1 Model PA-31, 31- 2 thru 31-711 STC SA986 SW 25135 dated 6/23/70, 1/11/71, 11/3/76, or 4/8/98 Revised as of 5/25/70 25128 Chg. A 2 Model PA-31 31- 712 thru 31-751 STC SA986 SW 25135-4 dated 12/15/72 or 11/3/76 Piper Report 1655 25128 Chg. A 3 Model PA-31 31- 712 thru 31-751 Piper 25135-3 dated 12/15/72 or 11/3/76 Piper Report 1686 25242-2 4 Model PA-31 31- 752 and up Piper 25135-2 dated 11/22/72; 11/8/76; or 4/8/98 Piper Report 1702 25242-2 5 Model PA-31- 350; 31-5001 and up Piper 25135-5 dated 2/26/73; 11/3/76; or 4/8/98 Piper Report 1750 25242-2 6 Model PA-31- 325; 31-7300932 and up Piper 26135-6 dated 12/7/76 or 4/8/98 Piper Report 1860 25242-2 7 Model PA-31- 350; 31-5001 and up Piper 25135-5A dated 2/26/73 revised 2/8/80 Bladder Tanks NA 25345 8 Model PA-31- 325; 31-7300932 and up Piper 25135-6A dated 12/7/76 revised 2/8/80 Bladder Tanks NA 25347 9 Model PA-31, S/N 31-2 and up Nayak STC SA986 SW 25135 dated 1/21/82 or 4/8/98, to be used in lieu of Item No. 1 and No. 2 NA 25128 Chg. 4 Date Reissued: January 13, 2017 SA1161SW FAA Form 8110-2 (5/14) Page 4 of 10 Model PA-31, S/N 31-712 and up Piper 25135-2 dated 1/21/82 or 4/8/98 to be used in lieu of Item No. 3 and No. 4. NA 25242-2 11 Model PA-31, 350, S/N 31-5001 and up Piper 25135-5 dated 1/21/82 or 4/8/98 to be used in lieu of Item No. 5. NA 25242-2 12 Model PA-31- 325; S/N 31- 7300932 and up Piper 25135-6 dated 1/21/82 or 4/8/98, to be used in lieu of Item No. 6. NA 25242-2 13 Model PA-31- 350; S/N 51- 5001 and up Piper 25135-5A dated 1/21/82; to be used in lieu of Item No. 7, Bladder Tanks NA 25345 14 Model PA-31- 325; S/N 31- 7300932 and up Piper 25135-6A dated 1/21/82; to be used in lieu of Item No. 8, Bladder Tanks NA 25347 4 SA1161SW Date Reissued: January 13, 2017 ---------END--------- ## Every issue (5) - January 13, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3b/99/3b9916bdf81ec384e6e72dabe6118131c3b595655bfa9b17aa1d60820a1aa45b) - June 22, 2016: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/73/19/7319b59039b1bd54cf71755817a901beb6d55445be21c41d36b52dc904db0538) - October 15, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/ac/c9/acc9ffb9e4ff5b82ea6ee6ad93db48ccee0bb403daf59a8ddbb8bedf1adf81d4) - June 8, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/18/7c/187c155eaf64636620728a4c14a05f81924f193cbd7302db0e8f9c5d7254f3a4) - March 5, 2004: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/39/f1/39f1ccae3d37a3b5fbb960b4464dadb5492c023e9711b2d20b788dab33e401f6) --- From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.