STC SA1033NW

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA1033N (This is a duplicate to replace the original which was lost. Issued 10/26/92) This certificate issued to: Flight Structures Incorporated Part 4b of the Civil Air Regulations.

Original Product - Type bertificate Number: БАЗ Make: McDonnell Douglas Model: DC-6A, S/N 44071 Description of Type Design Change: Installation of a bulk liquid cargo tank system in accordance with FAA sealed Flight Structures, Inc. Drawing List 80FS024D3

TYPES OF MATERIALS TO BE CARRIED

WERE NOT CONSIDERED IN THE EVALUATION Limitations and Conditions: A fire/smoke detector is not required for this installation since the cargo is limited to that carried in the tanks. Data pertaining to this modification are considered inadequate for duplication in other aircraft.

approval is limited to installation in McDonnell Douglas DC-6A, S/N 44071. Airplane shall be loaded and system operated in accordance with Flight Structures Inc. Document 80FS024D2. . A copy of this certificate and Addendum No. SA1033NW shall be maintained as a part of the permanent records for the modified aircraft. (See Continuation Sheet 3)

Date of Application: 9/23/80 Date Reissued:

Date of Issuance: . Jale umended:

10/10/80 FEDERAL AVIATION By Direction of the Administrator Skapiller (Signature ) TOMINISTRATO Aircraft Certification Office Assistant Manager, Seattle (Title)

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United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA1033NW Supplemental Type Certificate ADDENDUM NO. SA1033NW The conditions and limitations of Type Certificate Data Sheet No. 6A3 apply except as follows:

This SIC Addendum, which is part of Supplemental Type Certificate No. SA1033NA prescribes conditions and limitations under which the product for which the STO vas issued meets the airworthiness requirements of the Civil Air Kegulations.

A copy of this STC Addendum is required to be maintained as part of the modifiec aircraft's permanent records.

Supplemental Type Certificate HOLDER: FLIGHT STRUCTURES, INC.

The following placards are required:

1. On each of the eight tanks on the inboard side in full view of the loadmaster when operating the loading unit:

MAX. NET PAYLOAD IN LBS.

3725

2. On the rear inboard side of the number three right hand tank (opposite rear door FILLING SEQUENCE: FRONT, CENTER, REAR DUMPING SEQUENCE: REAR, CENTER, FRONT

ALL VALVES CLOSED IN FLT

3. On the inboard side approximately in the middle of the number three right hand tank:

DO NOT EXCEED AIRPLANE'S WT. & BALANCE LIMITS

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United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) ADDENDUM Number: SA1033NW Supplemental Type Certificate NO. SA1033NW (Continued)

4. On the front inboard side of the number three right hand tank:

CARGO, OTHER THAN THAT CARRIED IN THE TANKS,

IS PROHIBITED IN THIS COMPARTMENT

- END -

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