STC ST00338NY

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST00330Nx This certificate issued to: United States Department of Engergy P. O. Box 5400 Albuquerque, NM 87185-5400 Part. 25 of the Federal Aviation Pegulations.

Original Product - Type Certificate Number. A6WE Make: McDonnell Douglas Corp.

Model: DC-9-15F Description of Type Design Change:

Installation of Rockwell/Collins TCAS System (TTR-920 TCAS II and TPR-720 Mode S Transponder), the Gables G6993-06 ATC/Mode S Transponder/TCAS Control and Honeywell Vertical Speed Indicator/Traffic Resolution Advisory Indicator in accordance with Air Canada Master Drawing Lists 34-70184 Rev. B, dated December 20, 1993 and 35-70185 Rev. BB, dated December 20, 1993.

1. Ross Aviation, Inc. Airplane Flight Manual Supplement for McDonnell Douglas Model DC-9-15F, Document No. 19950330, FAA approved June 14, 1995, is required with this modification.

2. This approval should not be incorporated in any aircraft of this specific model (See continuation sheet)

Date of Application: September 11, 1991 Date Reissued: June 10, 1996 Date of Issuance: June 14, 1995 Date Amended:

FEDERAL AVIATION By Direction of the Administrator a munet (Signature) * A.J. Merrill, Manager TOMINSTRATO Southwest Region Special Certification Office (Title)

Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST00338NY Date of Issuance: June 14, 1995 Limitations and Conditions: (Continued) :

on which other approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those previously incorporated approved modifications will not introduce and adverse effect upon Compatibility of this design change with previously approved modifications must be determined by the installer.

- End-

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

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Туре Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and Z1P code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and ZIP code) Exent of Authority (if licensing agreement) :

Signature of grantor (In ink) :

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