Leenn077--F-15 Shake Out

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F-15 Shake Out: The Air Force likely will divide up its grounded F-15 A-D Eagles into three categories in the near future, USAF acquisition official Lt. Gen. Donald Hoffman,  told reporters after a Capitol Hill symposium yesterday. Some of the F-15s—those that were going to be taken out of service in a year or two anyway due to age—likely won’t be repaired and will simply be retired early, he said. Some will be fixed but “returned to flying status with flight restrictions,” meaning they will be prohibited from flying certain stressful maneuvers. The Air Force plans to repair the last group, those in “the best shape” and bring them back to full service without restrictions. However, they will have to undergo far more frequent and intensive inspections. Hoffman said there’s “no way” to strip every F-15 down to its bare spars and check for other problems like the under-spec thickness of the longerons that led to the crash of an F-15C last November. That crash prompted the subsequent long-term grounding of most of the F-15 fleet and the discovery of potential catastrophic flaws in about 160 of the airplanes. Upon inspection, nine were found to have cracked longerons. Those aircraft have little in common, coming from different production groups: Two were made in 1978, four in 1980, two in 1981, and one in 1985. And, they are scattered at various bases worldwide.
—John Tirpak
美空军停飞中的F-15战斗机处理方法

为解决目前仍在停飞中的F-15战斗机问题,美空军决定对停飞的160架战斗机进行严格检查和分类,结构隐患严重的飞机将在年内直接退出现役。至去年11月份的F-15C战斗机坠毁事件后,美空军对所有该型战斗机进行检查。目前有160架F-15战斗机处于停飞状态,美空军发现9架该型机存在不同程度的结构隐患,分别是来自不同基地的2架1978年生产型、4架1980年生产型、2架1981年生产型和1架1985年生产型。为此,美空军官员近表示将对目前仍在停飞中的F-15A-D型战斗机分三类处理。第一类,即在年内或2年之内直接退役,此批飞机将不会再投入经费维修而提前退役。第二类,即维修恢复飞行但增加飞行限制,此批飞机将接受仔细检查维修恢复飞行但不允许进行部分大过载飞行动作。第三类,即维修恢复飞行无飞行限制,美空军将选择机龄状况较好的飞机加以维修恢复飞行并具备全部飞行作战能力,还必须进行经常性的结构检查。F-15 Shake Out: The Air Force likely will divide up its grounded F-15 A-D Eagles into three categories in the near future, USAF acquisition official Lt. Gen. Donald Hoffman,  told reporters after a Capitol Hill symposium yesterday. Some of the F-15s—those that were going to be taken out of service in a year or two anyway due to age—likely won’t be repaired and will simply be retired early, he said. Some will be fixed but “returned to flying status with flight restrictions,” meaning they will be prohibited from flying certain stressful maneuvers. The Air Force plans to repair the last group, those in “the best shape” and bring them back to full service without restrictions. However, they will have to undergo far more frequent and intensive inspections. Hoffman said there’s “no way” to strip every F-15 down to its bare spars and check for other problems like the under-spec thickness of the longerons that led to the crash of an F-15C last November. That crash prompted the subsequent long-term grounding of most of the F-15 fleet and the discovery of potential catastrophic flaws in about 160 of the airplanes. Upon inspection, nine were found to have cracked longerons. Those aircraft have little in common, coming from different production groups: Two were made in 1978, four in 1980, two in 1981, and one in 1985. And, they are scattered at various bases worldwide.
—John Tirpak
美空军停飞中的F-15战斗机处理方法

为解决目前仍在停飞中的F-15战斗机问题,美空军决定对停飞的160架战斗机进行严格检查和分类,结构隐患严重的飞机将在年内直接退出现役。至去年11月份的F-15C战斗机坠毁事件后,美空军对所有该型战斗机进行检查。目前有160架F-15战斗机处于停飞状态,美空军发现9架该型机存在不同程度的结构隐患,分别是来自不同基地的2架1978年生产型、4架1980年生产型、2架1981年生产型和1架1985年生产型。为此,美空军官员近表示将对目前仍在停飞中的F-15A-D型战斗机分三类处理。第一类,即在年内或2年之内直接退役,此批飞机将不会再投入经费维修而提前退役。第二类,即维修恢复飞行但增加飞行限制,此批飞机将接受仔细检查维修恢复飞行但不允许进行部分大过载飞行动作。第三类,即维修恢复飞行无飞行限制,美空军将选择机龄状况较好的飞机加以维修恢复飞行并具备全部飞行作战能力,还必须进行经常性的结构检查。