# STC SA1710SO - Type: Supplemental type certificate - Status: Current, Reissued - Holder: DTAA Inc, United States - Description: Installation of two different supplemental fuel tank configurations in the aircraft cargo compartment. - Applied: March 16, 1984 - Status date: August 17, 2009 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21 - Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE) - Certificate PDF: https://openairdocs.org/files/sha256/37/16/3716ca49afa2d01734bf0f83bbdd0a92eead91bb550fb21415b79ffc145d3336 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F5F637EE7E9509868625764A00613860.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA1710SO ## ADs that name it (1) - [AD 2008-07-09](https://openairdocs.org/ad/2008-07-09): Auxiliary fuel tanks ยท Boeing 727-100 Series, 727-200 Series, 727-200F Series and 7 more. Effective May 2, 2008. Named in the applicability ## Approved models (3) - McDonnell Douglas Corporation DC-9-32 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE)) - McDonnell Douglas Corporation DC-9-32F ([TCDS A6WE](https://openairdocs.org/tcds/A6WE)) - McDonnell Douglas Corporation DC-9-33F ([TCDS A6WE](https://openairdocs.org/tcds/A6WE)) ## What the certificate says This is OCR from the scanned FAA certificate. OCR can misread letters and numbers. United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA171050 This certificate issued to: DTAA, Inc. 101 Deer Meadow Ct. St. Charles, MO 63304 Part Ab of the Civil Air Pegulations. Original Product Type Certificate Nunties: AGWE Mour: Boeing (Formerly McDonnell Douglas) Model: DC-9-32, -32F, -33F Description of Type Design Change: Installation of two different auxiliary fuel tank configurations in the aircraft cargo compartment in accordance with Winters FAA Approved Master Drawing List 2800400, Revision AA, or later FAA approved revision. One configuration consists of two 196 gallon fuel cells in both the forward and aft cargo compartments. The other configuration consists of one 196 gallon fuel cell in each of the forward and aft cargo compartments. FAA approved Airplane Flight Manual Supplement, Winters Supplement No. 1312, dated February 14, 1985, for DC-9-32/32F aircraft or Winters (See continuation sheet 3 of 4) Geration ne Conditions. The condition and limitations of Type Certificate Data Sheet AGWE apply except as outlined on pages 3/4 of this STC. A copy of this STC must be included in the permanent records of each airplane modified in accordance with this STC. "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 (See continuation sheet 3 of 4) Taylor (Signature) Manager Atlanta Aircraft Certification Office (Title) FAA FORM A110-2 (10-68) PAGE 1 of 4 PAGES United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA171050 Date of Issuance: December 10, 1984 Date Amended: February 14, 1985 Date Reissued: 10/15/1989, 7/16/1997, 1/5/2000, 5/3/2000, 8/17/2009 Description of Type Design Change: (Continued): Supplement No. 1235 dated December 10, 1984, for DC-9-33F aircraft or later FAA approved revision is required as a part of this installation. Limitations and Conditions: (Continued): 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." Supplemental Type Certificate Data Sheet No. SA1710SO This data sheet, which is part of Supplemental Type Certificate SA1710SO, prescribes conditions and limitations under which the product for which the Supplemental Type Certificate was issued meets the airworthiness requirements of the Civil Air Regulations. Supplemental Type Certificate Holder: DTAA, Inc. 101 Deer Meadow Ct. St. Charles, MO 63304 1 - Model DC-9-32/-32F/-33F Transport Category Aircraft Modified in accordance with STC SA1710SO Maximum Cabin and Cargo Loading: See Winters Weight and Balance Supplement, WAEC Report 1232 Tank Usable Arm-In Gallons Pounds* Auxiliary Fuel Capacity Single Cells Forward 196 1,313.2 + 488.9 Aft 196 1,313.2 + 781.2 Dual Cells Forward 392 2,626.4 + 471.95 Aft 392 2,626.4 + 798.2 FAA FORM 8110-2-1 (10-69) PAGE 3 of 4 PAGES United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Cuntinuation Sheet) Number: SA171050 Date of Issuance: December 10, 1984 Date Amended: February 14, 1985 Date Reissued: 10/15/1989, 7/16/1997, 1/5/2000, 5/3/2000, 8/17/2009 Vinitations mud Ennitions (Continued): Unusable Auxiliary Fuel Capacity: Single Cells Forward 32,6 (est) + 471.95 Aft 4.63 (est) + 798.2 Dual Cells Forward 32,6 (Meas) +471.95 4.63 (Meas) +798.2 * Fuel weights based on fuel density of 6.7 lb./gal. - END - FAR EMI 8110-2-1(10-69) PAGE 1 of A PAGES ## Every issue (1) - August 17, 2009: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/37/16/3716ca49afa2d01734bf0f83bbdd0a92eead91bb550fb21415b79ffc145d3336) --- 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.