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

A -- JET NOISE PREDICTION SOL RFO3-103288 DUE 082898 POC Linda M. Kendrick, Contracting Officer, Phone (216) 433-2407, Fax (216) 433-5185, Email Linda.M.Kendrick@lerc.nasa.gov WEB: Click here for the latest information about this notice, http://nais.nasa.gov/EPS/LeRC/date.html#RFO3-103288. E-MAIL: Linda M. Kendrick, Linda.M.Kendrick@lerc.nasa.gov. THIS NOTICE CONSTITUTES AMENDMENT NO. 1 TO THE COMBINED Synopsis/RFO FOR JET NOISE PREDICTION SUPPLEMENTED WITH ADDITIONAL INFORMATION CONTAINED IN THIS NOTICE. Companies shall acknowledge all amendment(s) in their offer. This notice serves as the official amendment to the subject solicitation and a written amendment will not be issued. The purpose of this amendment is to DELETE THE REFERENCE TO AN IGES FILE IN ATTACHMENT A, Statement of Work for TASK 1, "TEST FOR INTERNAL NOISE". Specifically, in SubTask 1.2.2, DELETE the last two sentences, which state, "An IGES file of the baseline configuration can be found on anonymous@ftp.lerc.nasa.gov. The file is under: anyone/uynis/londuct_base.igs." This IGES file is NOT AVAILABLE. The due date for receipt of offers is not extended. Offers shall provide the information stated in the synopsis/RFO posted on the NASA Acquisition Internet Service (NAIS) on July 28, 1998. Documents related to this solicitation will be available over the Internet. These documents are in Microsoft Office Suite (Word 6.0, Excel 5.0, or PowerPoint 4.0) format and 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. Posted 08/06/98 (D-SN233407). (0218)

Loren Data Corp. http://www.ld.com (SYN# 0006 19980810\A-0006.SOL)