1、 AMENDMENT-1 22 July 1977 / MILITARY SPECIFICATION -RADR SETS AN/APS-ZIB AND AN/APS- This amendment forms a part of Military Specification MIL-R-81858(AS) dated 12 June 1973 and has been approved by the Naval-Air Systems . Command; Department of the Najr. Page 1, paragraph 2.1 - Change “MIL-N-18307
2、D“ to “MIL-N-18307C“ . Page 6, paragraph 3.3.7 - Delete the paragraph and add the following: 3r3u7 Provisions for Maintainability - The maintenance concept, Built-in Test features, construction and packaging, provisions for test points and other maintainability parameters shall be as speci- fied her
3、ein.“ . Page 7, paragraph 3.3.7.2 - After the second sentence add “Special tools.- . will be allowed for removal of the AFC Assembly.“ Page 7, paragraph 3.3.7.3- Delete the last sentence. Page 9, paragraph 3.3.9 - Change “18 VAG“ to “18 VDC“ -Page 9, paragraph 3.3.10.1 - Delete “except that the cons
4、ole control panel shall meet Curve III.“ Page 10, paragraph 3.3.12.3 - Delete the last sentence and substitute: “In addition, the equipment operation shall return to normal with no resulting damage to the equipment, without the need for reset of any controls which are inaccesible to the operator dur
5、ing normal use.“ Page 11, paragraph 3.3.12.4 - Delete the last sentence. Page 11, paragraph 3.4.1 - After “,aircraft navigation computer“ add . . “or Central Repeater Unit.“ Page 12, Paragraph 3.4.1.2 - Change “0.5 I + 1.0“ to “0.5 - + 0.1.“ Page 17, paragraph 3.5.243 - Change “140.0“ to “141.0a“ .
6、Page 20, paragraph 3.5.345.2 - Delete the last sentence and substitute: “The AN/APS-l22 system configuration as described in this specification will indicate No-Go in positions (71, (9),#(10), (13) and (16) of . : Paragraph 3.5.3.5 . 1 .I 1 A THIS DOCUMENT CONTABNS -& PAGES. 1 FSC 584fi _ . . -. Pro
7、vided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-R-81858 (3) 58 E 97OL 0372325 7 MIL-R-81858(AS) m. AMENDMENT-1 Page 21, paragraph 3,5,3.6.1.2 - Change “4 to 1“ to “4 to 1.“ Page 21, paragraph 3,5,3,6.1.5 - Change “OFF“ to “OPERATE,“ Page 22, paragra
8、ph 3.5,3.6.3.2,5 - After the first sentence add: - -.J “Pulse rise time shall be 3 + 1 microseconds and fall time as fast . as practical* and a maximum of 1 millisecond,“ Pulse duration shall be a minimum of 6 microseconds Page 23, paragraph 3.5.3.6.3.3.1 - Delete the firse sentence and substitute:
9、Two separate aircraft headings with respect to North shall be supplied to the antenna position programmer unit for the AN/APS-l15B system and one aircraft heading with respect to North for the AN/APS-122 system.“ Page 24, paragraoh 3.5.4.4.5 - Add new paragraph: “Paragraph 3.5.4,4,5 - HEADING - NORT
10、H STAB“ - A lighted push- button switch shall provide for selecting either North Stabilized ._ or Heading (relative) Stabilized bearing information. shall automatically return to the North Stabilized position when power is turned off .I. The switch Preparing Activity: . NAVY-AS Project Number: 5841-N-O66 *US. GOVERNMENT PRINT1 NG OF FICE: 1977-703020/6067 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
