STC ST10706SC

Number: ST10706SC

This certificate issued to: L-3 Communications Integrated Systems, L.P.

10001 Jack Finney Blvd.

Greenville, TX 75402

Part 25 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: A2NM Make: The Boeing Company Model: 757-200 Series Description of Type Design Change Installation of Provisions for a VIPSAM Protected SATCOM (VPS) System and Relocation of a VHF Antenna in accordance with (1) L-3 Communications Integrated Systems, L.P. Sealed Drawing List SDL 10464-1 Revision A dated 02 August 2017, (2) L-3 Flight Manual Supplement Rev - dated 01 August 2016, (3) Instructions for Continued Airworthiness, L-3 Document No. G10464.28.08 Revision - dated 01 April 2017 or later FAA/ODA approved revisions of (1) (2) and/or (3).

1. The installer must determine whether this design change is compatible with previously approved modifications.

2. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

(Limitations and Conditions continued on page 3 of 3)

Date of application: 21 July 2015 Date reissued:

Date of issuance: 03 August 2017 Date amended:

Signature

Title ODA-750173-SW Administrator Page 1 2 3 Amdt

Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is th e property of the STC holder.

FAA Form 8110-2 (5/14) Page 1 of 3

To (Name and address of transferee)

From (Name and address of grantor)

Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller.

FAA Form 8110-2 (5/14) Page 2 of 3

Number: ST10706SC Date of Issuance: 03 August 2017

Limitations and Conditions: (Continued)

3. The FAA has not certified the equipment for which these provisions are intended. The installer must get additional FAA approval to install the equipment. The FAA must evaluate the installation to ensure it complies with the applicable airworthiness standards. It is the responsibility of the installer to verify functionality of the VIPSAM Protected SATCOM (VPS) System; it is expected a later STC will activate the provisions of the VPS System as installed under this STC.

4. A revised EWIS ICA is not required due to this modification; the existing EWIS ICA is adequate.

5. Equivalent Level of Safety Findings have been made for the following regulations of 14 CFR Part 25:

§ 25.251(b) Vibration and buffeting (documented in TAD ELOS Memo 10464-1-F-1).

Certification Basis:

Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for the Boeing 757-200 aircraft is as follows:

a. The type certification basis for The Boeing Company 757-200 series airplanes is shown on TCDS A2NM for parts not changed or not affected by the change.

b. The certification basis for parts changed or affected by the change since the reference date of application 21 July 2015, is as shown in TCDS A2NM plus later amendment levels for the following paragraphs:

25.365(e) Amdt 25-72; 25.613(a) (b) (c) Amdt 25-112; 25.1529 Amdt 25-54.

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Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is th e property of the STC holder.

FAA Form 8110-2 (5/14) Page 3 of 3