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ÀÛ¼ºÀÚ : SW(124.5.xxx.xxx)
ÀÔ·Â 2015-01-22 21:36:19
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JSF Program Ditches Tests To Protect Schedule
 Bill Sweetman    Jan 20, 2015   
F-35: Lockheed Martin

A major operational test series planned for the Lockheed Martin F-35 Joint Strike Fighter has been abandoned in an attempt to protect the schedule for delivering a fully operational aircraft, according to
the just-released fiscal 2014 report on the program from the Pentagon¡¯s Director of Operational Test & Evaluation (DOT&E).
1/20ÀÏ °ø°³µÈ DOT&E 2014³â º¸°í¼­¿¡ µû¸£¸é, ÀÛÀü°¡´É ÀÏÁ¤À» ¹æ¾îÇϱâ À§ÇØ F-35°ü·Ã ÀÏ·ÃÀÇ ÁÖ¿ä ½ÃÇèÀ» Æ÷±âÇß´Ù°í...

block2b  ¼ÒÇÁÆ®°¡ ÀÛ³âÁß¹Ý ¸®ºä½Ã 151°³ÀÇ ½É°¢ÇÑ ¹®Á¦¸¦ Æ÷ÇÔÇÏ°íÀÖ¾ú°í, ÀϺδ ºí·Ï3F°¡ ¿Ï·á½Ã±îÁö ¼öÁ¤ÀÌ ¾ÊµÉ¼öµµ ÀÖ´Ù°í...

Çغ´´ë IOC±âÁØÀÎ block 2b ¿¡¼­ Operational Utility Evaluation (OUE)   °úÁ¤ÀÌ DOT&EÀÇ ±Ç°í¿¡ µû¶ó, Áö³­ 4¿ù¿¡ ºüÁ³´Ù°í, ÀÌ °úÁ¤Àº block 2b °ËÁõÀ» À§ÇÑ ´Ù¼öÀÇ ±âü¸¦ ÇÊ¿ä·ÎÇÏ´Â ½Ã°£¼Ò¸ð°¡ Å«
°úÁ¤À¸·Î ¿¹Á¤´ë·ÎÇϸé, 2016³â ÈĹݿ¡ OUE°¡ ½ÃÀ۵ɼöµµ ÀÖ°í, Â÷·Ê·Î block3fÀÇ °³¹ßµµ ¼ø¿¬ÀÌ µÉ¼ö¹Ü¿¡ ¾ø´Â »óȲ...

full OUE°úÁ¤À» ¼öÇàÇϱ⺸´Ù, block 2bÀÇ Á¦ÇÑµÈ Æò°¡¸¦ ¿¡µå¿öµå °ø±º±âÁöÀÇ F-35A ¸¦ »ç¿ëÇÏ¿© ÇÏ¿´´Ù°í...

block 2b ¼ÒÇÁÆ®¿þ¾î test°¡ ´ÙÀ½ ´Þ¿¡ ¿Ï·á ¿¹Á¤. ´ëºÎºÐÀÇ °³¼± Á¡µéÀÌ ¾Õ¼± ¼ÒÇÁÆ®¿þ¾î ºí¶ô¿¡¼­ ½ÃÇèµÈ Á¡¼ö¸¦ 2b test Á¡¼ö·Î °£ÁÖÇÏ¿©, 840Á¡ ºÐ·®ÀÇ test¸¦ »ý·«, 4°³¿ù ½ÃÇèºÐ·® À̶ó°í... 

The critical risk to Marine IOC identified in the new report is the availability of "mission data load" software, which works in conjunction with software permanently loaded in the aircraft system and contains
information to operate sensors – for example, the data needed to identify hostile radars. The operational requirement is for these to be generated in a government facility, the U.S. Reprogramming Lab
(USRL), but some equipment for the USRL was held by Lockheed Martin three years past its due delivery date. On baseline plans, the first two mission data loads will not be available until November, but
the report refers to a plan to "truncate" development and carry out limited flight tests, creating "significant operational risk to fielded units."
Áß´ë À§Çè ¿ä¼Ò°¡ 'mission data load'ÀÇ ¿©ºÎ¶ó°í...ÀÌ°ÍÀº ±âü¿¡ žÁ¦µÉ ÃÖÁ¾ ¼ÒÇÁÆ®¿þ¾î ÇÔ²² sensor ÀÛµ¿À» À§ÇÑ Á¤º¸¸¦ ´ã°íÀÖ´Ù°í, ¿¹¸¦ µé¾î Àû ·¹ÀÌ´Ù¸¦ ½Äº°ÇÏ´Â ÀÚ·á, Á¤ºÎ½Ã¼³¿¡¼­ ÀÌ·¯ÇÑ Á¤º¸°¡
»ý¼ºµÇ¾î¾ß Çϴµ¥, ÀÌ°÷(USRL) ÀÇ Àåºñ¸¦ °ø±ÞÇؾßÇÏ´Â ·ÏÈ÷µå°¡ 3³â ÀÌ»ó ³³±â¸¦ Áö¿¬.... 11¿ù ±îÁö  ù 2°³ÀÇ mission data load °¡ ºÎÀçÇÒ °ÍÀ¸·Î ... ±×·¯³ª DOT&E º¸°í¼­¿¡ µû¸£¸é, °³¹ß ´ÜÃàÀ» À§ÇØ
Á¦ÇÑµÈ ºñÇà½ÃÇ踸 °èȹÇÏ°í ÀÖ¾î,  ½É°¢ÇÑ ÀÛÀü»ó À§Çè ¿äÀÎÀÌ µÇ°í ÀÖ´Ù°í...

DOT&E also notes that an apparent improvement in a major reliability metric — "mean flight hours between failure – design controllable" — up to late summer 2014 may be due to changes in reporting.
More failures were reported as "induced," or due to maintenance actions, and fewer to "inherent" design problems. Also, once a redesigned version of a failure-prone part is introduced into the fleet but
before 100% of the fleet has been retrofitted, the program stops counting failures of the previous version, improving the system¡¯s on-paper reliability even though failures are occurring.
½Å·Ú¼º ºÎ¹®¿¡¼­ È®½ÇÇÑ °³¼±µµ º¸¿´´Âµ¥...mean flight hours between failure(MTBF ¿Í ºñ½ÁÇϳª, ¾à°£ ´Ù¸¥) Àü³â 8¿ù ±îÁö´Â ¹®Á¦¿¡ ´ëÇÑ º¸°í°¡ °ü¸®/Á¤ºñ¼ÒÈê·Î ÀÎÇÑ °ÍÀ¸·Î... ³»ÀçµÈ ¼³°è»ó ¹®Á¦´Â
¼Ò¼ö·Î... ¼³°èº¯°æµÈ ºÎÇ°ÀÌ ÅõÀԵǰí, 100% ´ëüµÇ±âÀü¿¡, ¾Õ¼± ºÎÇ°ÀÇ ºÒ·®À² °è»êÀ» ÁßÁö. Á¾ÀÌ»óÀÇ ½Å·Ú¼º ¼öÄ¡¸¦ ³ôÀÓ,  ÇöÀå¿¡¼­ ¿©ÀüÈ÷ ºÒ·®Àº ¹ß»ýÇÏ°í Àִµ¥...

One of the F-35¡¯s distinctive features, the Distributed Aperture System, is still problematical, the report says, continuing "to exhibit high false-alarm rates and false target tracks, and poor stability
performance, even in later versions of software."
DAS´Â ¿©ÀüÈ÷ ¹®Á¦... ³ôÀº ¿ÀÀÛµ¿À¸·Î °æ°í¸¦ ³²¹ßÇÏ°í, ¾û¶×ÇÑ ¸ñÇ¥¸¦ ÃßôÇÏ°í, ¼º´ÉÀÇ ¾ÈÁ¤¼ºµµ ³·°í, ½ÉÁö¾î Èı⠹öÁ¯ÀÇ ½ºÇÁÆ®¿þ¾î¿¡¼­µµ Áö¼Ó ¹ß»ýÇÏ°í ÀÖ´Ù°í... 

Lockheed Martin and the JSF Program Office had not responded to the report by midday on Jan. 20.
·ÏÈ÷µå¿Í JSF program »ç¹«±¹¿¡¼­ 1¿ù 20ÀÏ Á߹ݱîÁö µ¿ º¸°í¼­¿¡ ´ëÇØ °ø½Ä ¹ÝÀÀÀ» º¸ÀÌ°í ÀÖÁö ¾Ê´Ù°í....


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