STC ST10705SC

Number: ST10705SC

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 Avionics System Modifications, an access hatch, and the installation of safe carriage antennas in accordance with (1) L-3 Communications Integrated Systems, L.P. Sealed Drawing List SDL 10456A-1 Revision C dated 12 February 2018, (2) L-3 Flight Manual Supplement dated 26 Aug 2016, (3) Instructions for Continued Airworthiness, L-3 Document No. G10456A.28.08 Revision B 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: 14 December 2016 Date amended: 13 February 2018

Signature

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

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

To (Name and address of transferee)

From (Name and address of grantor)

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

Number: ST10705SC Amendment 1 Date of Issuance: 13 February 2018 Limitations and Conditions: (Continued)

3. Structural mounting provisions for the EFB are not included as part of the approved type design; additional FAA airworthiness approvals are required to install any EFB mounting provisions.

4. This modification does not provide the ability for the EFB-IU to transmit to the airplane flight systems domain.

5. No changes were made to the existing EWIS maintenance instructions. A revised EWIS ICA is not required.

6. IFF Equipment Modes 1, 2, 4, and 5 are not FAA-approved for civil use and operation of these IFF military modes on civil aircraft without prior authorization is prohibited.

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 Boeing 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: 14 CFR

25.981 Amdt 25-102 and 25.1529 Amdt 25-54.

--------------------------------------------------END-----------------------------------------------

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