STC ST00249BO

Number ST00249BO

FAA Form 8110-2 (5/14) Page 1 of 5 This certificate issued to:

BAE Systems Information and Electronic Systems Integration Inc.

65 Split Brook Road Nashua, NH 03061 Part 25 of the Federal; Aviation Regulations.

Original Product - Type Certificate Number: A13NM Make: Bombardier, Inc.

Model: DHC-8-300

Installation of a BAE Systems Infrared Countermeasure (IRCM) Set 8350550G12 in accordance with BAE Systems Master Document List (MDL) 94117-8458858, Revision C, dated November 16, 2017, or later FAA approved revision.

1. This STC is for government use only.

2. IRCM Set 8350550G12 replaces and makes obsolete IRCM Set AN/ALQ-212(V)6, of which none are installed or procurable as verified by BAE Systems.

(continued on Page 3 of 5)

Date of Application: November 28, 2005 Date reissued : April 03, 2007, March 22, 2012

Date of Issuance: February 22, 2007 Date amended: November 28, 2017

Anthony Pigott for Signature Kevin Dickert

Manager, Boston ACO Branch Title

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

To (Name and address of transferee) Name:

Address (Number and Street, City, State, and ZIP Code):

From (Name and address of grantor) Name:

Address (Number and Street, City, State, and ZIP Code):

(Continuation Sheet) Number ST00249BO

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

Limitations and Conditions: (continued from Page 1 of 5)

3. Operation must be in accordance with BAE Systems Aircraft Flight Manual Supplement (AFMS), Document number 94117-B24718, Revision B, FAA approved on November 14, 2017, or later FAA approved revision.

The AFMS must be carried in the aircraft during all flights.

4. Maintenance must be in accordance with Instructions for Continued Airworthiness (ICA):

BAE Systems ICA, Document number 94117-B24716, Revision B, dated November 08, 2017, or later FAA accepted revision. Airworthiness Limitations Section 16 is FAA approved.

BAE Systems Electrical Wiring Interconnection Systems (EWIS) ICA, Document number 94117- B24717, Revision A, FAA approved on June 23, 2017, or later FAA approved revision.

These ICAs must be made available to the operator at the time of installation.

5. FAA Certification of this installation was limited to the evaluation of the electronic countermeasures equipment’s effects on the safe operation of the aircraft, and does not connote FAA endorsement of the effectiveness of the equipment in countering a MANPADS threat. In addition, the FAA has not evaluated the safety of the IR laser for use on the ground or in the air.

Operation of the IR laser, to include appropriate laser safety training for flight crew and maintenance personnel, should be in accordance with the intent of American National Standards Institute (ANSI) Standards Z136.1, Safe use of Lasers, and Z136.6, Use of Lasers Outdoor.

6. Compatibility of this design with previously approved modifications must be determined by the installer.

(Continuation Sheet) Number ST00249BO

FAA Form 8110-2 (5/14) Page 4 of 5

Certification Basis:

Based on 14 CFR § 21.115 and § 21.101, and the FAA policy for design changes that are identified as not significant in FAA Order 8110.48, the certification basis for the Bombardier Inc. DHC-8-300 is as follows:

a. The type certification basis for parts not changed or not affected by the change is shown on TCDS A13NM.

b. The modification certification basis for parts changed or affected by the change since the reference application date, November 28, 2005, is based upon part 25 as amended by Amendment 25-117 as follows (IRCM Set 8350550G12 and IRCM Set AN/ALQ-212(V)6):

Regulations at the latest amendment 25-0 through 25-117

25.29(a)(b), 25.143(a), 25.177, 25.251(a)(b), 25.301, 25.303, 25.305(a)(b)(c), 25.307(a),

25.321, 25.331, 25.333, 25.335, 25.337, 25.341, 25.365, 25.561, 25.571(a)(b), 25.601.

25.603, 25.605, 25.607, 25.609, 25.611, 25.613, 25.619, 25.623, 25.625, 25.773(a)(2),

25.787, 25.789(a), 25.853(a), 25.1301, 25.1309(g), 25.1322(b)(c)(d), 25.1351(a),

25.1353(a)(d)(1)(2), 25.1357(a)(c), 25.1381, 25.1431(a)(b)(c), 25.1501, 25.1529, 25.1541,

25.1581(a)(2) Regulations at an intermediate amendment None Regulations at the amendment level in TCDS A13NM None (continued on Page 5 of 5)

(Continuation Sheet) Number ST00249BO

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

Certification Basis: (continued from Page 4 of 5)

c. The modification certification basis, beyond paragraph b., for parts changed or affected by the change since the amendment application date, December 19, 2016, is based upon part 25 as amended by Amendment 25-143 and part 26 as amended by Amendment 26-6 as follows (IRCM Set 8350550G12 only):

Regulations at the latest amendment 25-0 through 25-143

25.869(a)(1)(2), 25.1585(a) Regulations at the latest amendment 26-0 through 26-6

26.11(c)(d)(5), 26.47(c)(e)(3) Regulations at an intermediate amendment

25.1583(e) at 25-105 Regulations at the amendment level in TCDS A13NM

25.1419(a) ------------------------------------------------------------END-------------------------------------------------------