58 -- 58 -- GPS ANTENNA APERATURES COMPATIBLE WITH GPS ANTENNA SYSTEM (GAS-1) ANTENNA ELECTRONICS (AE)

Notice Date

December 21, 2001

Contracting Office

Department of the Navy, Naval Air Systems Command, Naval Air Warfare Center Aircraft Division Pax River, Building 2272 Suite 353 47123 Buse Road, Patuxent River, MD, 20670

ZIP Code

20670

Solicitation Number

N00421-02-R-3046

Response Due

December 31, 2001

Point of Contact

Mary Carter, Contract Specialist, Phone (301) 757-6534, Fax 301-757-6516, Email carterme@navair.navy.mil -- Beverly Abell, Contract Specialist, Phone (301) 757-6529, Fax 301-757-6516, Email abellba@navair.navy.mil

Description

Additional information is hereby provided regarding the synopsis for the Conformal Antenna posted 07 November 2001: 1. Question: Where is the antenna mounted on each aircraft? Answer: As stated in the synopsis, the antenna will be mounted on the top fuselage of the aircraft. 2. Question: Is the curvature of the aircraft different for the 3 different aircraft type? C/D, E/F, EA-6? When will this information be provided to us (i.e. how many conformal designs are required)? Answer: The fuselage curvature of the F/A-18 C/D, F/A-18 E/F, and EA-6B are different. Thus, it is possible to have as many as three different conformal designs, which is dependent how the offeror/s proposes. The non-LO variant maximum allowable protrusion is 0.5 inches above the aircraft mode line. 3. Question: Is LO version going to be a classified piece of equipment? If so, when does it become classified? Answer: Security classification of the LO variant will be provided in the potential Request for Proposal (RFP) but for planning purposes, it should be considered classified. 4. Question: Are the spec valves in the table relative to the antenna alone or for the antenna mounted to the aircraft/platform? Answer: Any spec values issued in the conformal CRPA specification will be for the CRPA only. 5. Will testing be required on a surface representative of the F-18 and EA-6 or test the antenna alone on the chine? Who is responsible for testing the antenna with the AE? Who verified the compatibility of the antenna to the AE? Answer: Testing of the antenna to determine patterns, etc. will be conducted on the CRPA ground plane located at Patuxent River, MD. RCS measurements will be (in free space) conducted using a fixture at Boeing Corp. or one of its subcontractors. Qualification requirements will also be part of the potential RFP. Responsibility for testing of the antenna and verification of its compatibility with the antenna electronics will be the Government. Use of the Government antenna test facilities is possible at a cost; however, there are no assurances of its availability. Estimated lead-time to schedule a test ranges from 1 to 2 months. 6. Question: What spec is required for Vibration, Acoustics, EMI, Vulnerability? Answer: The F/A-18 platform specification requirements will be used for vibration, acoustics, EMI, and vulnerability. This specification will be part of the potential RFP. 7. Question: When will the Bidders' Conference to be held? Answer: The Conformal Antenna Conference is currently being planned for late January to early February. 8. When will the RFP be released? Answer: As stated in the synopsis, the Government will make a determination whether to request proposals. 9. What is the distribution of the LO and non-LO in the total quantity of 1175? Answer: Potential RFP (base year with multiple option years) is estimated for 1175 production antennas only; 545 LO and 630 non-LO. 10. Are Bid Samples of both LO and non-LO antennas required? Answer: "Bid samples" will be for the LO version only. 11. Question: The 15 preproduction units -- Does this refer to 15 each LO & non-LO or some other distribution of quantity? Answer: 15 production antennas (7 LO; 8 non-LO). 12. Question: What are the qualification requirements? Answer: Any spec values listed in the conformal CRPA specification will be issued with the RFP, which will be similar to the GAS-1 CRPA. 13. Question: Will the antenna remain as a separate procurement from the AE? Answer: Yes 14. Question: What is the protrusion depth that is allowed? Answer: Refer to Question No. 2 and No. 20. 15. Question: What is the duration of production deliveries? Will the development and production be one contract? Answer: To be determined 16. Question: Will the development be a cost plus in accordance with Aldridge memo? Answer: To be determined at a future date. 17. Question: What contract type will the production effort be? Answer: To be determined. 18. Question: Will production quantities be options or yearly procurement requirements? Answer: To be determined. 19. Question: Will a Government test facility be available at no charge to the contractor? What is the lead time for scheduling testing? Answer: Refer to Question No. 5. 20. Question: Are non-LO units permitted to protrude above the A/C outer mold line? Answer: The non-LO version maximum allowable protrusion is 0.5 inches above the aircraft mode line. 21. Question: Is aircraft mounting contour information available now or will it be made available in the Technical Library? Answer: The aircraft mounting contour information IS NOT available now. This information is currently being pursued through coordination and cooperation with the Boeing Corporation. The Government will make every attempt to have this information available during the Conformal Antenna Conference being tentatively scheduled for late January 2002 to early February 2002. 22. Question: What is the desired schedule for sample delivery? Answer: Should the Government determine it appropriate to issue an RFP, delivery of the antenna "production-representative" bid samples would be expected to be provided by the potential offeror/s 3 (three) months after the RFP is released.] 23. Question: Are the sample(s) required to have an LO capability? Answer: The samples will be measured for LO characteristics. 24. Question: Are copies available of the electrical and mechanical interface documents in order to have an understanding of the mounting requirements? Answer: "Neither the electrical nor the mechanical interface drawings for the conformal antenna are available. The mechanical interface information is currently being pursued through coordination and cooperation with the Boeing Corporation. The Government will make every attempt to have this information available during the Conformal Antenna Conference being tentatively scheduled for late January to early February 2002. The electrical interface document have not been developed and may only become available after a potential contract award." 25. Question: How are the PCUM numbers calculated? Answer: This information will be provided after contract award. 26. Question: Are positive elevation angles above the aircraft and negative below? Answer: This information will be provided after contract award. 27. Question: Over what angle increment are the PCUM determined? Answer: This information will be provided after contract award. 28. Question: What amount of RCS testing is anticipated for acceptance testing? Answer: This information will be provided after contract award. 29. Question: What amount of gain testing is anticipated for acceptance testing? Answer: This information will be provided after contract award.

Web Link

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Record

Loren Data Corp. 20011226/58SOL004.HTM (D-355 SN515831)