STC ST11131SC

FAA Form 8110-2 (8/13) Page 1

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number ST11131SC This certificate issued to: Pratt & Whitney Engine Services, Inc 249 Vanderbilt Avenue Norwood, MA 02062

Part _25 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: A53EU

Make: ATR - GIE Avions de Transport Régional Model: ATR42-500, ATR72-212 and ATR72-212A Series Description of Type Design Change:

Installation of a Pratt & Whitney flight data acquisition, storage and transmission system (FAST) in accordance with “Data List, Design Data for ATR42-500, ATR72-212 & ATR72-212A Series,” document no. GN4-T-102-3, revision D, dated 10/1/14 or later FAA approved revision; “Airplane Flight Manual Supplement for Model ATR42-500, ATR72-212 & ATR72-212A Series Aircraft,” document no. GN4-T-250-3, revision B, dated October 1, 2014 or later FAA approved revision; and, “Instructions for Continued Airworthiness for ATR42-500, ATR72-212 & ATR72-212A Series,” document no. GN4-T-260-4, revision C, dated 10/1/14 or later FAA accepted revision.

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.

3. The FAA has reviewed the applicant’s assessment showing that this modification does not impact the existing electrical wiring interconnection system instructions for continued airworthiness (EWIS ICA) and found that no additional EWIS ICA tasks are required.

Date of application: June 11, 2014 Date reissued:

Date of issuance: October 16, 2014 Date amended:

Signature Title _DRB Aviation Lead ODA Administrator___ ODA-831473-SW

(Ref. 14 CFR 21.120

FAA Form 8110-2 (8/13) Page 2

SUPPLEMENTAL TYPE CERTIFICATE, FAA FORM 8110-2 (CONTINUED)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number: ST11131SC

To (Name of transferee)

(Address of transferee) (Number and street)

(City, State, and ZIP Code)

From (Name of grantor)

(Address of grantor) (Number and street)

(City, State, and ZIP Code)

FAA Form 8110-2 (8/13) Page 3

Number _ST11131SC Date of Issuance _October 16, 2014___

New 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 ATR - GIE Avions de Transport Régional ATR42-500, ATR72-212 and ATR72-212A Series modified by installing a Pratt & Whitney flight data acquisition, storage and transmission system (FAST) is as follows:

a. The type certification basis for ATR - GIE Avions de Transport Régional ATR42-500, ATR72- 212 and ATR72-212A series airplanes is shown on TCDS A53EU 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, June 11, 2014, include:

Regulations at the latest amendment 25-0 through 25-138 14CFR 25.853(a), 25.981(a)(3)(d), 23.1301(a), 23.1307(c), 25.1309(a)(b)(d)(e), 25.1317(c),

25.1351(a)(1)(d), 25.1353(a)(b)(d), 25.1357(a)(c), 25.1431(a)(b)(c)(d), and 25.1581.

Regulations at an intermediate amendment 14CFR 25.869(a)(4) (amd 25-72).

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(Ref. 14 CFR 21.120