OBSTACLE WARNING SYSTEM

Document Type: 
Collection: 
Document Number (FOIA) /ESDN (CREST): 
CIA-RDP78-03300A001900010025-2
Release Decision: 
RIPPUB
Original Classification: 
S
Document Page Count: 
3
Document Creation Date: 
December 22, 2016
Document Release Date: 
May 23, 2011
Sequence Number: 
25
Case Number: 
Publication Date: 
November 8, 1956
Content Type: 
MEMO
File: 
AttachmentSize
PDF icon CIA-RDP78-03300A001900010025-2.pdf93.29 KB
Body: 
Sanitized Copy Approved for Release 2011/05/23: CIA-RDP78-0330OA001900010025-2 UUillF1DJUVI9AL 8 November 1956 MEMORANDUM FCfft: APD PANEL SUBJECT: Obstacle Warning System 1. In accordance with the attached memorandum from C/PP, it is requested that the APD Panel set up project P-196, Obstacle Warning System. 2. Proposals have been discussed with and they are shortly going to submit one covering the design, development, and construction of a prototype 3-color X-band radar device. C' TSS/APD Distribution: Orig. - P-19.6.via Panel Chrono TSS/AP~ Vhf CONFIM E Sanitized Copy Approved for Release 2011/05/23: CIA-RDP78-0330OA001900010025-2 Sanitized Copy Approved for Release 2011/05/23: CIA-RDP78-0330OA001900010025-2 CONFIDENTIAL MEMORANDUM $ 01: Chief, Technical Services Staff THRU: DD/ P Materiel Board SUEJECT: Investigation of Terrain Warning Devices 1. The dangers inherent in flying aircraft at miniznam sate altitedes make it imperative that a terrain warning device be pro- cared to assist crews In the completion of their hazardous missions. Z. Accordingly it is requested that your staff initiate a program looking toward the development of techniques and devices having the following capabilities: a. Present to the crew an audible or visible warning of obstructions in the flight path. b. Present the warning in sufficient time to allow for corrective action. e. Be of a mature to be operable during adverse weather conditions, inch as snow and rain. d. Has minimum dstectability by enemy counter measures. e. Be of such weight and size as to be easily installed in air- craft. f. B. adaptable to the electrical power systems in the RD-69. S. Have a high degree of reliability. CON FIDE ?NjI AAL Sanitized Copy Approved for Release 2011/05/23: CIA-RDP78-0330OA001900010025-2 Sanitized Copy Approved for Release 2011/05/23: CIA-RDP78-0330OA001900010025-2 3. The Air-Maritime #~ 4 rs sAst the I?1)/ P Material Board to process end ostabllish specific requirements which will be forwarded to T$S when compiled. 4. Sine* the RD-49's are currently being modified for operational use, it is requested that the Air-Msritixne Division be informed of any devices which meet the above criteria and are readily available for instsUstion. While an interim system would be acceptable initiallyl, since it is anticipated that this r quiremeat will sadat for the next five or seven years, it is d.sir*ble that a sophisticated system meeting the criteria listed in paragraph 2 above be developed. For additional informatisn ple$ae eau Chief psychological & Paramilitary Staff Cr), IN FIDE Sanitized Copy Approved for Release 2011/05/23: CIA-RDP78-0330OA001900010025-2