Leenn046--美空军目前发现8架F-15战斗机存在结构缺陷

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4 F-15s with cracks based in Oregon
The Associated Press
Posted : Tuesday Dec 11, 2007 7:31:56 EST
   
KLAMATH FALLS, Ore. — Four F-15 fighter jets in Oregon are among eight in the world found to have potentially disabling structural cracks, military officials say.

The nation’s F-15 fleet was grounded after one of the fighters crashed in Missouri on Nov. 2. Inspections of grounded jets have turned up some with cracks in the longerons — parts of the fuselage near the canopy that hold much of the aircraft’s weight.

A military accident investigation board has found defects that indicate potential structural damage in the rest of the fleet, according to an Air Force Web site in a posting dated Monday from Langley Air Force Base, Va.

In Oregon, all 25 Air National Guard F-15s stationed at Kingsley Field in Klamath Falls have been inspected, Col. Tom Schiess, 173rd Fighter Wing base commander, told the Klamath Falls Herald and News.

Schiess said he does not know when flights at Kingsley, a training base for F-15 pilots, will resume. The base has 19 instructor pilots and averages 12 to 15 students at any given time.

“I think it will be dependent on when they conclude their findings, which should be in a week or two,” Schiess said.

The newspaper said that, as of Monday, 388 of the nation’s 422 F-15s had been inspected.

The other jets with cracks included two based at Kadena Air Base in Okinawa, Japan, one based at Tyndall Air Force Base, Fla., and another assigned to the Air National Guard 131st Fighter Wing in St. Louis, according to the Web site.

Schiess said the Kingsley F-15s with cracks were stationed at four or more bases before being sent to Kingsley. Three of the planes were made in 1980 and the fourth in 1981. The aircraft each were flown between 3,400 and 5,900 hours.

Schiess said they happened to have been transferred to Oregon in the last two to seven years. He noted that all of the aircraft at Kingsley are between 25 and 28 years old.

The Kingsley aircraft had previously been based in Florida, Iceland, Germany, Las Vegas and Alaska.

Schiess said he was confident about the maintenance work done at Kingsley, despite the age of the fighter fleet and the “tremendous stress” put on them.

He said the number of Kingsley planes with cracks “is indicative of the amount of examination we’re putting into each of the airplanes, or we’re just unlucky.”

The four planes are undergoing major repairs. Each F-15 is valued at $30 million.
美空军目前发现8架F-15战斗机存在结构缺陷

    12月12日美“空军时报”网站:美空军俄勒冈州国民警卫队近经检查发现4架F-15战斗机存在结构缺陷,使美空军存在隐患的该型机数量上升至8架。目前发现存在结构缺陷的8架F-15战斗机包括:驻日本嘉手纳基地2架、驻廷德尔基地1架、驻圣路易斯国民警卫队第131联队1架以及俄勒冈州新发现的4架。这批飞机均被发现承受整机大部分重量的机身与座舱之间的纵梁存在结构缺陷。俄勒冈州美空军第173战斗机联队装备25架F-15战斗机主要执行该型机飞行员训练工作,而发现问题的4架该型机已经开始接受全面整修。4 F-15s with cracks based in Oregon
The Associated Press
Posted : Tuesday Dec 11, 2007 7:31:56 EST
   
KLAMATH FALLS, Ore. — Four F-15 fighter jets in Oregon are among eight in the world found to have potentially disabling structural cracks, military officials say.

The nation’s F-15 fleet was grounded after one of the fighters crashed in Missouri on Nov. 2. Inspections of grounded jets have turned up some with cracks in the longerons — parts of the fuselage near the canopy that hold much of the aircraft’s weight.

A military accident investigation board has found defects that indicate potential structural damage in the rest of the fleet, according to an Air Force Web site in a posting dated Monday from Langley Air Force Base, Va.

In Oregon, all 25 Air National Guard F-15s stationed at Kingsley Field in Klamath Falls have been inspected, Col. Tom Schiess, 173rd Fighter Wing base commander, told the Klamath Falls Herald and News.

Schiess said he does not know when flights at Kingsley, a training base for F-15 pilots, will resume. The base has 19 instructor pilots and averages 12 to 15 students at any given time.

“I think it will be dependent on when they conclude their findings, which should be in a week or two,” Schiess said.

The newspaper said that, as of Monday, 388 of the nation’s 422 F-15s had been inspected.

The other jets with cracks included two based at Kadena Air Base in Okinawa, Japan, one based at Tyndall Air Force Base, Fla., and another assigned to the Air National Guard 131st Fighter Wing in St. Louis, according to the Web site.

Schiess said the Kingsley F-15s with cracks were stationed at four or more bases before being sent to Kingsley. Three of the planes were made in 1980 and the fourth in 1981. The aircraft each were flown between 3,400 and 5,900 hours.

Schiess said they happened to have been transferred to Oregon in the last two to seven years. He noted that all of the aircraft at Kingsley are between 25 and 28 years old.

The Kingsley aircraft had previously been based in Florida, Iceland, Germany, Las Vegas and Alaska.

Schiess said he was confident about the maintenance work done at Kingsley, despite the age of the fighter fleet and the “tremendous stress” put on them.

He said the number of Kingsley planes with cracks “is indicative of the amount of examination we’re putting into each of the airplanes, or we’re just unlucky.”

The four planes are undergoing major repairs. Each F-15 is valued at $30 million.
美空军目前发现8架F-15战斗机存在结构缺陷

    12月12日美“空军时报”网站:美空军俄勒冈州国民警卫队近经检查发现4架F-15战斗机存在结构缺陷,使美空军存在隐患的该型机数量上升至8架。目前发现存在结构缺陷的8架F-15战斗机包括:驻日本嘉手纳基地2架、驻廷德尔基地1架、驻圣路易斯国民警卫队第131联队1架以及俄勒冈州新发现的4架。这批飞机均被发现承受整机大部分重量的机身与座舱之间的纵梁存在结构缺陷。俄勒冈州美空军第173战斗机联队装备25架F-15战斗机主要执行该型机飞行员训练工作,而发现问题的4架该型机已经开始接受全面整修。