# STC SA2971SO - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Pemco World Air Services, Inc., United States - Description: Installation of a cargo loading system. - Applied: October 5, 1989 - Status date: August 31, 2012 - Product: Aircraft, Large Airplane - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) - Certificate PDF: https://openairdocs.org/files/sha256/22/d0/22d009232a8526c53a7a015d36b09f99012026021c070d4c61d5b7baadf51e7d - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B703CEA2721AFF9186257A79006F27D1.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA2971SO ## ADs that name it (0) None. ## Approved models (3) - The Boeing Company 737-200 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE)) - The Boeing Company 737-300 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE)) - The Boeing Company 737-400 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE)) ## 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. United States of America Department of Transportation -- Federal Aviation Administration Supplemental Type Certificate Number SA2971SO This certificate issued to Part 25 of the Federal Aviation Regulations. Original Product--Type Certificate Number Description of Type Design Change: Installation of a cargo loading system in accordance with Pemco World Air Services, Inc. Master Data List (MDL) Report No. 2337 Revision G dated October 6, 1993 or later FAA approved revision. Supplement to Weight and Balance Control and Loading Manual for Boeing 737-300 Series, Pemco Report No. P03- 004WB, no revision, dated June 18, 1991 or later FAA approved revision is a requirement for this installation on Boeing 737-300 Series aircraft. (Continued on Page 3) This certificate and the supporting data which is th e basis for approval shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration. Pemco World Air Services, Inc. 4102 N. Westshore Blvd. Tampa, FL 33614 A16WE Make : Boeing Model : 737-200/-300 Date reissued : June 29, 1998; November 5, 1999; August 20, 2012; August 31, 2012 Date amended : February 17, 1994; June 27, 1997; September 6, 2002 (Signature) Melvin D. Taylor Manager, Atlanta Aircraft Certification Office (Title) Date of application : October 05, 1989 Date of issuance : June 26, 1991 Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and Street) (City, State, and ZIP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and Street) (City, State, and ZIP code) Signature of grantor (In ink): Number SA2971SO Date of Issuance : June 26, 1991 Date Reissued : August 31, 2012 Date Amended : September 6, 2002 Supplement to Weight and Balance Control and Loading Manual Pemco Report No. P03-153WB, no revision, dated February 5, 1994 or later FAA approved revision is a requirement for this installation on Boeing 737-200 Series aircraft. Supplement to Weight and Balance Control and Loading Manual Pemco Report No. P03-191WB Revision 2 dated November 21, 2001 or later FAA approved revision is a requirement for this installation on Boeing 737-300 Serial Number 23523. The compatibility of this design change with other previously approved modification(s) 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. -------------------------------------------- END --------------------------------------------------- ## Every issue (2) - August 31, 2012: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/22/d0/22d009232a8526c53a7a015d36b09f99012026021c070d4c61d5b7baadf51e7d) - August 20, 2012: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/1f/c5/1fc57eb5f1ee5689a3b0703725d158e8bca1cd76f1646a3e7fa46bfd496813b7) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.