NASA/Lewis Research Center, 21000 Brookpark Road, Cleveland, OH 44135

28 -- AIR TURBINE AND CONTROLLER SOL 3-100879 DUE 060898 POC Audrey R. Gonzalez, Contracting Officer, Phone (216) 433-2131, Fax (216) 433-2480, Email Audrey.R.Gonzalez@lerc.nasa.gov WEB: Click here for the latest information about this notice, http://nais.nasa.gov/EPS/LeRC/date.html#3-100879. E-MAIL: Audrey R. Gonzalez, Audrey.R.Gonzalez@lerc.nasa.gov. This is a modification to the synopsis entitled "Air Turbine and Controller", # NAS3-100879, which was posted on May 18, 1998. You are notified that the following changes are made: Additional specifications: -Combined acceleration and braking time for a rotor with inertia of 2.67 pound-inch-second-squared shall not exceed 5 minutes. The due date for receipt of quotes is extended until June 8, 1998. Documents related to this procurement are available over the Internet and are in Microsoft Office Suite (Word 6.0, Excel 5.0, or PowerPoint 4.0) format and will reside on a World Wide Web (WWW) server, which may be accessed using a WWW browser application. The WWW address or URL of the NASA/LeRC Business Opportunities home page is http://procurement.nasa.gov/EPS/LeRC/class.html. Offerors are responsible for monitoring this site for the release of the solicitation and any amendments. Potential offerors are responsible for downloading their own copy of the solicitation and amendments (if any). ***PLEASE SUBMITNEW/REVISED QUOTES, EVEN IF A QUOTE WAS PREVIOUSLY SENT. (0149)

Loren Data Corp. http://www.ld.com (SYN# 0211 19980602\28-0002.SOL)