AETC CONS/LGCU 550 D Street East Ste 08 Randolph AFB TX 78150-4434

69 -- AIR TRAFFIC CONTROL TOWER SIMULATOR SOL F4168998RA045 DUE 020298 POC 1Lt Cathy B Blacklock, (210) 652-2011 WEB: AETC Contracting Business Opportunities, http://www-contracting.aetc.af.mil/cgi-bin/afbop. E-MAIL: 1Lt Cathy B. Blacklock, Contracting Officer, blackloc@lg.aetc.af.mil. This is an amendment to the original CBD notice. All other information publicized in the original synopsis is correct. 1. Change CLIN structure 0001 from "CLIN 0001 -- 2 each ATC Tower Simulators" to "CLIN 0001 -- 2 each ATC Tower Simulators 0001AA -- Temp Unit/Training (This CLIN will not exceed 75% of the total of CLINS 0001AA & 0001AC) 0001AB -- Fully Operational Simulator 0001AC -- Upgrade to Temp Unit" 2. Add the following dates to the CLIN structure: CLIN 0002 -- per month -- Interim Contractor Support -- 4 May 98 -- 30 Sep 98 CLIN 1001 -- per month -- Interim Contractor Support -- 1 Oct 98 -- 30 Sep 99 CLIN 2001 -- per month -- Interim Contractor Support -- 1 Oct 99 -- 30 Sep 00 3. Add the following after the fifth sentence in the paragraph titled "DELIVERY SCHEDULE": "Acceptance will be based upon the following: 0001AA -- Temp Unit/Training -- Oral Presentation Technical Evaluation Standards 0001AB -- Fully Operational Simulator -- Final Acceptance Technical Evaluation Standards 0001AC -- Completion to Temp Unit -- Final Acceptance Technical Evaluation Standards" 4. Paragraph 2m of the SOO is changed to read, "Provide a minimum of thirty moving elements (aircraft and vehicular), not including weather phenomenon, to maneuver along any point within the field of view (FOV)". (0020)

Loren Data Corp. http://www.ld.com (SYN# 0337 19980123\69-0001.SOL)