Commander, Naval Air Systems Command (Code 2.3), Patuxent Naval Air Station, Bldg 2272, Lexington Park, MD 20670

28 -- ANALYZE AND INVESTIGATE THE IMPACTS OF RAISING ENGINE TURBINE VIBRATION LIMITS, REDESIGN AND SUBSEQUENT QUALIFICATION EFFORTS!! POC James A. Myers, Phone (301)757-5223, AIR-2.3.3.1 E-MAIL: myersja@navair.navy.mil, myersja@navair.navy.mil. The Naval Air Systems Command (NAVAIR) intends to negotiate an engine design modification to Contract No. N00019-93-C-0052 on a cost-plus-incentive fee basis to reduce the transient and steady state vibration levels which exceed the current vibration limits in the turbine radial direction of the T406-AD-400 V-22 engines. This effort will be procured from the Allison Engine Company, 2001 Tibbs Avenue, Indianapolis, IN 46206-0420. Allison Engine Company is the designer, developer, and sole producer of the V-22 T406-AD-400 engine. As such, Allison Engine Company is the only firm possessing the required knowledge, data, equipment, and facilities necessary to perform the described effort within the required timeframe. See note No. 22 and 26. Posted 03/22/99 (W-SN311107). (0081)

Loren Data Corp. http://www.ld.com (SYN# 0236 19990324\28-0005.SOL)