# STC SA1474SO - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Southeast Aero-Tek Inc, United States - Description: Installation of forward and aft cargo compartment auxiliary fuel tanks for Boeing Models 727-2K3, -2K5, -2S2F, 221 - Applied: October 26, 1982 - Status date: June 27, 2014 - Product: Aircraft, Large Airplane - Certification basis: Part 21 - Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE) - Certificate PDF: https://openairdocs.org/files/sha256/5f/2c/5f2c4ac13a53fac02188961793cd69454268b57389331d7d6fedf7766380fa71 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4E5FB5FA7ECBCB3F86257F47005BEAB8.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA1474SO ## ADs that name it (1) - [AD 2008-07-09](https://openairdocs.org/ad/2008-07-09): Auxiliary fuel tanks · Boeing 727-100 Series, 727-200 Series, 727-200F Series and 7 more. Effective May 2, 2008. Named in the applicability ## Approved models (1) - The Boeing Company 727-200 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE)) ## 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 Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data no r to alter an aircraft, aircraft engine, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the ST C holder. FAA Form 8110-2 (5/14) Page 1 of 3 Number: SA1474SO This certificate issued to: Southeast Aero-Tek Inc. 143A East Main Street Smithtown, NY 11787 Part 4b of the Civil Air Regulations. Original Product – Type Certificate Number: Make: Boeing A3WE Model: 727-2K3, -2K5, -2S2F, 221 Installation of forward and aft cargo compartment auxiliary fuel tanks in accordance with World Auxiliary Power Company Drawing Lists and revisions as noted on page 3. Also required are the corresponding Flight Manual Supplements, Weight and Balance Supplements and Maintenance Manuals as noted on Continuation sheet (page 3). 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 other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane. 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. Date of Application: October 26, 1982 Date Reissued: October 14, 2011, June 27, 2014 Date of Issuance: July 07, 1983 Date Amended: January 16, 2003 Signature Title Melvin D. Taylor Manager Atlanta Certification Office United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate This certificate may be transferred or made available to third persons by licensing agreements in accordance with 14 CFR 21. 47. FAA Form 8110-2 (5/14) Page 2 of 3 Transfer the ownership of Supplemental Type Certificate Number: SA1474SO 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: SA1474SO This certificate may be transferred or made available to third persons by licensing agreements in accordance with 14 CFR 21. 47. FAA Form 8110-2 (5/14) Page 3 of 3 Description of Type Design Change (Continued): Airplane Model Drawing List/Revision* Flight Manual Supplement/Revision* Weight and Balance Supplement/Revision* 727-2K3 2800300, Rev. S, dated 5/08/93 2K3-1061, Rev. NC, dated 8/25/93 2K3-1062, Rev. A, dated 8/06/93 727-2K5 2800300, Rev. P, dated 6/29/83 1160, Rev. NC, dated 7/07/83 1157, Rev B, dated 6/30/83 727-2S2F 2800600, Rev. AG dated 11/08/85 1346, Rev. NC, dated 12/02/85 1344, Rev. H, dated 11/27/85 **727-221 ***727-221 2800300, Rev. U dated 1/27/94, or 2800300, Rev. V, dated 12/08/01 221-1061, Rev. NC, dated 5/18/94 Same 221-1060, Rev. A, dated 4/20/94 Same *or later FAA approved revision FAR 43 and the following Maintenance Manuals present the maintenance instructions for these systems: • For the 727-2K3 Manual No. 2K3-1064 • For the 727-2K5 Manual No. 1159B • For the 727-2S2F Manual No. 1345 • For the 727-221 Manual No. 221-1114 **For serial number 22541, with interior arrangement per NOMAD drawing 9306307272 dated June 30, 1993. ***Same as above and not eligible for Cargo Door Conversions by STC. ----------END---------- ## Every issue (2) - June 27, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5f/2c/5f2c4ac13a53fac02188961793cd69454268b57389331d7d6fedf7766380fa71) - January 16, 2003: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/dd/53/dd53d1d8835e7e3437a580b4169333a555c486c7c804237604f1a10332b415c0) --- 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.