1、NIL-D-70487 (3) 32 W 7797706 0450703 5 I INCH POUND MIL-D-70487 (AR) AMENDMENT 1 l,3 August 1990 MILITARY SPECIFICATION DETECTOR, WIND DIRECTION, SPEED, AND TEMPERATURE, FIRE AND FLIGHT AIR DATA SUBSYSTEM, HELICOPTER ARMAMENT: M143 - _- - A This amendment forms a part of Military Specification MIL-D
2、-70487 (AR), dated 30 June 1983, and is approved for use within the U.S. Army Armament, Munitions and Chemical Command, and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 Title: Delete IIARAMAMENT: and substitute “ARMAMENT: II. PAGE 2 2.1, under Military Sp
3、ecifications: Delete MIL-S-45743 Soldering, Manual Type, High Reliability, Electrical, Electronic, Instrument, Communication and Radar for Aerospace and Control Systems, Procedure forn and “MIL-S-46844 Solder Bath, Soldering and Printed Wiring Assemblies, Automatic Machine Type“ and substitute 11MIL
4、-STD-2000 Standard Requirements For Soldered Electrical and Electrical Assembliesu1. Under Military Standards: Delete 11MIL-STD-810C11 and substitute “MIL-STD-81 O II PAGE 9 3.4.5.1.3: Delete in its entirety and substitute: 113.4.5.1.3 Humidity. Operation while being subjected to MIL-STD-8101 Method
5、 520.1, Procedure III.11. 3.4.5.1.4: .Delete in its entirety and substitute: c 113.4.5.1.4 Sand and dust. Operation after being subjected to MIL-STD-810, Method 510.3, Procedure IIen. 3.4,5.1.5: Delete nMethod 5O9.lg1 and substitute “Method 509.311. 3.4 . 5.1.6 : Delete “Method 5O8.lt1 and substitut
6、e llMethod 508 . 4“. 3.4.5.1.7: Delete “Method 511.1“ and substitute nMethod 511.311. AMSC N/A 1 of 7 FSC 1270 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-704
7、87 (1) 12 m 9999906 0450702 7 I MIL-D-70487 (AR) AMENDMENT 1 1 3.4.5.1.8: Delete and substitute: 810, Method 50- Procedure I. during the last ten minutes of the thirty minute period.“. 413c4.5.1.8 Raina Operation after being subjected to MIL-STD- The AADS shall be operated PAGE 12 3.4.7.1: Delete MI
8、L-S-45743 or MIL-S-46844“ and substitute “MIL- STD-2000 General Requirements with task FIq. PAGE 15 TABLE II: Delete in its entirety and substitute: “TABLE II. First article tests - Item Characteristic 1 2 3 4 5 6 7 0 9 10 11 12 13 14 15 16 17 Natural environment Altitud e Temperature Humidity Sand
9、and dust Salt atmosphere Fungus Explosive atmosphere Rain Interchangeability Requirement Test Procedure 3.4.5.1 3.4.5.1.1 3.4.5.1.2 3.4.5.1.3 3.4.5.1.4 3.4.5.1.5 3.4.5.1.6 3.4.5.1.7 3.4.5.1.8 3.4.9 Service environment 3.4.5.2 Bench handling 3.4.5.2.1 Induce environment 3.4.5.3 Vibration 3.4.5.3.1 Sh
10、ock 3.4.5.3.2 Transportability 304.6 Electromagnetic radiation 3.4.8 4.6.4.1 4.6.4.1.1 4.6.4.1.1 4.6.4.1.1 4.6.4.1.2 4.6.4.1.3 4.6.4.1.4 4.6.4.1.5 Applicable drawings,visual, MIL-1-8500 and 4.6.4.1.6 MIL-STD-100 4.6.4.2 4.6.4.2.1 4.6.4.3 4.6.4.3.1 4.6.4.3.2 4.6.4.4 4.6.4.5 l. PAGE 26 4.6.4.2: Delete
11、 and substitute: . 6 e 4 a 1 1 Temperature-altitude-humidity. subjected to the combined Temperature-altitude-humidity test of MIL-STD-810, Method 520.1, Procedure III,.Figure 520.1-5, for ten test cycles. The AADS shall be tested to a maximum operat- ing, nonoperating, and storage temperature.of 71
12、degrees C and a minimum operating, nonoperating and storage temperature of -54 degrees C, a maximum flight altitude of 20,000 ft. and a maxi- mum humidity of 94% 4% at 30 degrees C. At the conclusion of this test, subject the AADS to the performance tests of Table III. The AADS shall be - 3 The AADS
13、 shall be exposed to the Temperature- 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-D-70487 (1) 12 9999906 0450703 7 I MIL-D-70487 (AR) AMENDMENT 1 altitude-humidity test before the Sand and dust and Explosive atmosphere tests and after the
14、Bench handling, Crash safety, and (. Vibration tests,“. PAGE 27 4.6.4.3: Delete in its entirety. 4,6.4.4: Delete in its entirety. 4.6.4.5: Delete in its entirety and substitute: . O “4.6.4.1.2 Sand and dust. The AADS shall be subjected to test Method 510.3, Procedure II, of MIL-STD-810. The test cha
15、m- ber shall be set to the high operating temperature o the AADS of 71 degrees C, the air velocity should be of the range 18 to 29 m/s, and the sand concentration shall be 2.22 0.5 g/m , At the conclusion of this test, mance tests of Table III. Sand and dust test after being subjected to the Fungus,
16、 Temperature-altitude-humidity, and Salt atmosphere tests.“. Delete in its entirety and substitute: 3 subject the AADS to the perfor- The AADS shall be subjected to the 4.6.4.6: 014.6.4.1r3 Salt atmosphere. The AADS shall be subjected to Qperation of the AADS shall Such corrosion can be test method
17、509.3 of MIL-STD-810. not be required and failure criteria shall be limited to corro- sion of finishes and metals only. attributed to flaky, pitted, blistered, or otherwise loosened finish or metal surface, salt atmosphere test prior to being subjected to the Sand and dust test.“, The AADS shall be
18、subjected to the 4.6.4.7: Delete in its entirety and substitute: lt4.6.4.1.4 Fungus. The AADS shall be subjected to the test of method 508.4 of MIL-STD-810. The test shall have a duration of 28 days. items shall be opened during test exposure and all internal and external surfaces shall be sprayed w
19、ith spore suspension. Operation of the equipment is not required, but examination of the concentration after exposure period shall reveal no evidence of viable fungus on any surfaces, The AADS shall be subjected , to the fungus test prior to being subjected to the salt atmos- phere test and the sand
20、 and dust test.“. Gasket sealed or other non-hermetic sealed test 4.6.4.8: Delete in its entirety and substitute: It4.6.4.1.5 Explosive atmosphere. The AADS shall be subjected to test Method 511.3, Procedure I, of MIL-STD-810. The test shall be limited to a maximum altitude of 20,000 feet. At the co
21、nclusion of this test, subject the system to the performance tests of table III, plosive atmosphere test The AADS shall be subjected to the ex- 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-70487 (AR) AMENDMENT 1 after being subjected to th
22、e vibration test and the temperature- altitude-humidity test.“. 4.6.4.9: Delete in its entirety and substitute: ff4r6r4r1.6 Rain. The AADS shall be subjected to test Method 506.3, Procedure I, of MIL-STD-810, with a rainfall rate of 4 in./hr and a wind velocity of 40 mph. operated during the last te
23、n minutes of the thirty minute rain. At the conclusion of this test, subject the AADS to the perfor- The system shall be - -rice tests of Table III.ff. -_ PAGE 28 4.6.4.10: Delete 1f4.6.4.10n and substitute H4.6.4.2n. 4.6.4.10.1: Delete in its entirety and substitute: 114.6.4.2.1 Bench handling. The
24、 system shall be subjected to Method 516.4, Procedure VI, of MIL-STD-810. At the conclusion of this test, subject the AADS to the performance tests of Table III. The AADS shall be subjected to this Bench handling test prior to being subjected to the Temperature-altitude-humidity test . . 4.6.4.11: D
25、elete n4.6.4.11ft and substitute “4.6.4.3Il. 4.6.4.11.1: Delete in its entirety and substitute: “4.6.4.3.1 Vibration. The AADS shall be vibrated along each axis at the sinusoidal frequencies and amplitudes depicted in Fig 2. The frequency of applied vibration shall be cycled logarithmically from 5 t
26、o 500 to 5 cycles per second for 5 cycles, each cycle having a duration of 36 minutes, totaling 3 hours testing time for each axis. At the conclusion of this test, subject the AADS to the performance test of Table III. The AADS shall be subjected to the vibration test prior to being subjected to any
27、 other environmental test.“. 4.6.4.11.2: Delete in its entirety and substitute: 114.6.4.3.2 Shock. The UDS shall be subjected to: a, Method 516.4, Procedure I, of MIL-STD-810, for flight vehicle equipment. 10% when measured with a 0.2 to 250 Hz filter. test level and duration are defined in paragrap
28、h The test g value shall be within 2 The pulse 3.2.24.6.1 Of MIL-E-5400. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.- -.-. - -. MIL-D-70487 (1) 12 7777706 0450705 2 I MIL-D-70487 (AR) AMENDMENT 1 b. Method 516.4, Procedure V, of MIL-STD-810 f
29、or flight equipment. prior to being subjected to the Temperature-altitude- The AADS shall be subjected to this method - .- .-. humidity test. . At the conclusion of this test, subject the AADS to the performance test of Table III.“. 4.6.4.11.3: Delete in its entirety and substitute: n4.6,4.4 Transpo
30、rtability. The AADS shall be unpacked and secured to the vibration table and shall be vibrated along each axis at the sinusoidal frequencies and amplitudes depicted in Fig. 7. The frequency of applied vibration shall be cycled logarithmically from 5 to 200 to 5 Hz, each cycle having a sweep time of
31、12 minutes. The system shall be exposed to the cycling for 84 minutes per axis. vibration. At the conclusion of this test, subject the AADS to the performance tests of Table III.“. The AADS will not be operated during Add enclosed figure 7 (28A). 4.6.4.12: Delete in its entirety and substitute: “4.6
32、.4.5 Electromagnetic radiation. The AADS shall be in- 7 stalled in laboratory test fixtures in a manner that will simulate actual service usage and tested to MIL-STD-461 for the requirements of 3.4.8. )l. c 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I
33、HS-,-,-I c l MIL-D-70487 (1) 12 7779706 O45070b 4 I MIL-D-7487 LARI I AMENDMENT i .I MXXLERATiON LEVELS: 2 g (PEAK) 1.0 - - ?- l 1 I I !.O58 I - . I I I I I I I I I I I I I 11 I I I L .7 57 92 ti0 200 I f RfOEhiCY HZ 1 SOTE: ALL CURVES SHALL BE EATESDED TO 2 H: ISHES 7fSf ITEl REI3SAXES BELOLIS H: A
34、RE EIPECTED. . 3.50 6 (28A) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-D-70487 (AR) AMENDMENT 1 Custodian: Amy-A Preparing activity: (Project 1270-A087) Army-AR 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
