STC SA3419NM

United States of America 8103 Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SA3419NM This certificate issued to: International Valve Company (IVC) 1835 North Keystone Street Burbank, California 91504 Purt 4b* of the Civil Air *(Certification basis is set forth in Type Certificate Data Sheet A3WE) Regulations. In addition, compliance has been demonstrated with Federal Aviation Regulation, Part 25.812(e), Amendment 25-58 Original Product -Iype Tertificate Number. A3WE Make:

Boeing Mixiet:

727, 727-100, 727C, 727-200 Description of Type Design Change: Installation of floor proximity emergency escape path marking system in according with International Valve Company Master Drawing List Number 2-201-1000, Revision "A", dated October 14, 1986, or later FAA approved revision. FAA approved International Valve Company Airplane Flight Manual Supplement No. 1, dated September 17, 1986, to FAA approved Airpiane Flight Manual is required as part of this installation.

Limitations and Conditions: The approval 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. (See Continuation Pages 3 of 4 and 4 of 4 for additional limitations.)

September 17, 1986 I ate unended: October 20, 1986; April 21,1988;

April 17, 1991 FEDERAL AVIATION By Direction of the Administrator in K. Wheeb ( Signature ) Aerospace Engineer, Systems and Equipment Branch, Los Angeles Aircraft Certification Office (Title) 47 FAA FORM 8110-2 (10-68)

United States of America Department of Transportation Federal Aviation Administration 09/17/86 (1) Supplemental Type Certificate 10/20/86 (A) (Continuation Sheet) 04/21/88 (A) 04/17/97 (A) Number: SA3419NM 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.

3. Battery Pack Alkaline, IVC P/N 96-2-1015 has an installed life of twelve (12) months when battery pack is installed in associated light assemblies.

4. Battery Pack Alkaline, IVC P/N 96-2-1019 has an installed life of twelve (12) months when battery pack is installed in associated light assemblies.

5. Battery Pack Alkaline, IVC P/N 96-2-1024 has an installed life of twelve (12) months when battery pack is installed in associated light assemblies.

6. Battery Pack Alkaline, IVC P/N 96-2-1033 has an installed life of twelve (12) months when battery pack is installed in associated light assemblies.

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

FAA FORM 8110-2-1 (10-69) PAGE 3 OF 4 PAGES FAA AC 82.03578

United States of America Department of Transportation Federal Aviation Administration 09/17/86 (I) Supplemental Type Certificate 10/20/86 (A) (Continuation Sheet) 04/21/88 (A) 04/17/97 (A) Number: SA3419NM Limitations and Conditions: (Continued) The exit light strobe must be functionally checked at each battery pack replacement prior to removal of the used battery pack.

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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47.

PAGE 4 OF 4 PAGES FAA AC 82-03578