STC SA2971WE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2971WE Certificate

SURRENDERED This certificate issued to: Aircraft Tank Service, Inc. on _ 4/30/2007 Part * of the CiVil Air Regulations: *See Note, Page 3 Original Product - Type bertificate Number: ASEU Make: BAC 1-11 Model: 204 A/F, 401/AK Description of Type Design Change: Installation of a maximum of 1565 gallon auxiliary fuel tanks in the forward and aft cargo compartments in accordance with FAA sealed Winters Aircraft Engineering Company Drawing List 1300-1000, FAA sealed consulting Aerospace Engineers, Inc., Drawing List NAL-9012, or Aircraft Tank Service, Inc., Drawing List NAL-9012, Revision "U", or later FAA sealed revisions. FAA approved National Aircraft Leasing, Inc., Flight Manual Supplement dated February 7, 1975, or later approved revisions, is required as part of this installation.

Limitations and Conditions: This approval should not be extended to other specific airplanes of those models on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

Date of Application: April 1, 1974 Jule wissued: February 23, 1979 Date of Issuance: February 7, 1975 Date Amended: October 14, 1975;

FEDERAL AVIATION By direction of February Bil Keith d. Anderso 1980, Feb.6, 1981 Chief, Los Angeles Area TO MINISTRATIO Aircraft Certification Office (Title)

This Page Re-issued on 7/18/91 After Being Reported Lost.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA2971WE October 14, 1975, February 12, 1980, February 6, 1981 Certification Basis:

CAR Part 4b, effective December 31, 1953, Amendments 4b-1 through 4b-11, Special Regulation SR-422B, and Special Conditions notified by FAA to the Air Registration Board as recorded in the ARB Validation Arrangements, Note 1, Issue 1, dated April 19, 1961.

BACR Section D, effective December 31, 1959, supplemented by V.A. Note 1, Issue 1, was found t provide a level of safety equivalent to CAR 4b, effective December 31, 1953, plus Amendments 4b-1 through 4b-11, and SR-422B, to enable certification under the provisions of AR Part 10 (FAR

21.29(a) (I) (iii)).

Type Certificate (Import) No. A5EU issued April 15, 1965.

Date of Application: for Type Certificate: October 4, 1961.

Compliance with the following optional requirements has been established:

BAC (19683) Section D, issue 6.

CAR 4b Amendments 40-12, 40-14 Ditching 4b.361 (Overwater operatior can be approved when the aircraft has been equipped and installation has been approved according to CAR 4b.361) Ice Protection 46.640 Fuel Jettison FAR 25 Amendment 25-18 effective 29 Sept. 1968 (See NOTE 16) Exemptions: No. 553A - 4b.437 Fuel jettisoning (NOTE 15) No. 649 - 4b.362 Max. passengers (NOTE 14)

47.

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