STC SA3441NM

8103 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA3441NM This certificate issued to: International Valve Company, Inc.

1835 North Keystone Street Burbank, CA 91504 Part 25* of the Federal Abvialion Pegulations. *Certification basis is set forth in Type Certificate Data Sheet ICDS.

In addition, compliance has been demonstrated with Federal Aviation Regulation, Part 25.812(e), Amendment 25-58.

Original Product Typo Certificate Number: AlOWE Маве : Boeing Model: 737-100, -200, -200С, -300, -400, -500, -600, -700, -800 Series Description of Type Design Change:

Installation of Floor Proximity Emergency Escape Path Marking System in accordance with International Valve Co. Master Drawing List No. 2-201-1002, Revision "A" dated November 20, 1986, or later FAA Approved Revisions. FAA approved International Valve Co. Airplane Flight Manual Supplement No. 1, dated November 25, 1986, to FAA approved Airplane Flight Manual is required as part of this installation.

(See Continuation Sheet 2 for additional description) Limitations and Conditions: The installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft. 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. ( See Continuation Sheet 2 for additional limitations.)

April 7, 2000, December 5, 2000 By Direction of the Administrator Robat M. Stacks TOMINSTRATO Achy Project Manager, Systems & Equip. Branch Los Angeles Aircraft Certification Office (Signature) (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA3441NM Description of Type Design Change: (Continued) Installation of Emergency General Illumination System and Floor Proximity/ Emergency Escape Path Marking System in accordance with FAA Approved International Valve Co. Master Drawing List (MDL) No. 2-201-1002, Revision "Y", dated March 31, 2000, or later FAA Approved Revisions. FAA approved International Valve Co. Airplane Flight Manual Supplement No. 2, dated April 6, 2000, or No. 3, dated December 5, 2000 (beginning with MDL 2-201-1002, Revision 'AA"), or later FAA approved revision to either Airplane Flight Manual Supplements is required as part of this installation.

Limitations and Conditions: (Continued) The following battery packs are limited to an installed life as listed below.

1. Exit light battery pack, IVC P/N 86-2-1014:

a. Ninety (90) days installed life when battery pack is installed in exit light assembly IVC P/N 86-3-1002-().

b. Twelve (12) months installed life when battery pack is installed in exit light assembly IVC P/N 87-3-1002-().

2. Floor proximity light battery pack, IVC P/N 86-2-1006:

a. Ninety (90) days installed life when battery pack is installed in floor proximity light assembly IVC P/N 86-3-1001-().

b. Twelve (12) months installed life when battery pack is installed in floor proximity light assembly IVC P/N 87-3-1001-().

Alternate part numbers and/or installed battery life time extensions approved by the Manager, Los Angeles Aircraft Certification Office are acceptable for installation.

The exit light strobe must be, functionally checked at each battery pack replacement prior to removal of the used battery pack.

For installation of Floor Proximity Emergency Escape Path Marking System only, the following applies:

This system has been determined to comply with the applicable airworthiness requirements with the following inoperative units.

1. Exit identifiers - strobe inoperative at floor level exits

2. Aisle lights - one of two facing lights inoperative

3. Transmitters - the center transmitter inoperative. (Three transmitters are installed. The middle transmitter may be inoperative.).

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United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA3441NM Limitations and Conditions: (Continued) For installations which include both the Emergency General Illumination System and Floor Proximity Emergency Escape Path Marking System the following applies:

The systems have been demonstrated to comply with the applicable airworthiness requirements with the non-functioning units listed in the FAA Approved International Valve Co. Report No. 2000-5-4001, Revision "N/C" dated November 21, 2000 or later FAA approved revision, which is part of this STC.

Note: Airplanes modified by installation of Master Drawing List No. 2-201-1002, Revision "Y", dated March 31, 2000, require all units to be operative.

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