STC ST00235BO

Part 25 of the Federal Aviation Regulations.

Installation of the Simmonds Precision Products, Inc. Fire Detection (Class “E”) system in accordance with Simmonds Precision Products, Inc. Master Drawing List T3078-MDL-2001, Revision L, dated February 28, 2013, or later FAA-approved revision.

1. The installation of this equipment is only applicable on 737-400 aircraft modified to full freighter configuration per STC numbers SA2968SO, SA2969SO and SA2970SO.

2. Simmonds Precision Products, Inc. Airplane Flight Manual Supplement T3078-0006-01, Revision G, dated March 28, 2013, or later FAA-approved revision is required with this modification and must be carried in the aircraft during all flights.

3. Aircraft shall be maintained in accordance with Instructions for Continued Airworthiness T3078-0005-01, Revision C, dated May 30, 2006, or later FAA-approved revision. The ICA must be made available to the operator at the time of installation.

4. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane.

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

Simmonds Precision Products, Inc.

d/b/a United Technology Aerospace Systems 100 Panton Road Vergennes, VT 05491 A16WE Make : Boeing Model : 737-400 Date of application : April 11, 2005

Date of issuance : June 7, 2006

Date reissued : November 27, 2012

Date amended : March 28, 2013

( Signature) Robert G. Mann Manager, Boston Aircraft Certification Office

( Title)

United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number ST00235BO March 28, 2013

FAA Form 8110-2-1(10-69) Page 2 of 3

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United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number ST00235BO March 28, 2013

FAA Form 8110-2-1(10-69) Page 3 of 3

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 737-400 aircraft with Simmonds Precision Products, Inc.’s Fire Detection (Class “E”) system installed is as follows:

a. The type certification basis for the Boeing 737-400 aircraft is shown on TCDS A16WE for parts not changed or not affected by the change.

b. The certification for parts changed or affected by the change since the referenced date of application, April 11, 2005, is based upon part 25 as amended by Amendment 25-117. 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 this modification was determined to be:

14 CFR Regulations at the latest amendment level 25-0 through 25-117

25.603, 25.611, 25.857(e), 25.858, 25.1309, 25.1322, 25.1351(a), 25.1501, 25.1529, 25.1581

14 CFR Regulations at an intermediate amendment level (amendment level between TCDS A16WE and the latest amendment level 25-0 through 25-117)

25.855(a, e) (amdt. 25-93), 25.1353(a, b) (amdt. 25-38)

14 CFR Regulations at the amendment level in TCDS A16WE

25.601, 25.981, 25.1301, 25.1431, 25.1541, 25.1555, 25.1585(a,4)

c. Based on 14 CFR § 21.101(g), applicable provisions of 14 CFR part 26 are included in the certification basis.

For any future 14 CFR part 26 amendments, the holder of this STC must demonstrate compliance with the applicable sections. As of the issuance date of this STC, compliance has been found for 14 CFR § 26.11 (Amdt. No. 26-0) and for 14 CFR § 26.47 (Amdt. No. 26-1).

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

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