The Northrop YF-17 (nicknamed "Cobra") is a prototype lightweight fighter aircraft designed by Northrop aviation for the United States Air Force's Lightweight Fighter (LWF) technology evaluation program.

The Lockheed F-117 Nighthawk is a retired American single-seat, subsonic, twin-engined, stealth attack aircraft developed by Lockheed 's secretive Skunk Works division and operated by the United States Air Force (USAF). It was the first operational …

2023年11月27日 · Though there wasn’t ever an F-17, there was the YF-17 Cobra, a prototype lightweight fighter aircraft designed by Northrop aviation for the United States Air Force’s Lightweight Fighter (LWF)...

諾斯羅普YF-17戰鬥機「眼鏡蛇」 （英語： Northrop YF-17 Cobra）是 美國 諾斯羅普公司 參加 美國空軍 輕型戰鬥機計畫（LWF），與 通用動力 設計的 YF-16 競標的設計。 競爭落敗之後，後來演變成為 美國海軍 F/A-18戰鬥機攻擊機，是少見敗選者復活的例子。 由於 翼前緣延伸面 （LERx）的曲線與大小的關係，使得YF-17獲得 眼鏡蛇 （Cobra）的暱稱。 攝於1976年，YF-17在試驗飛行中。 1965年諾斯羅普公司以該公司非常成功的 F-5A戰鬥機 為基礎進行新型輕 …

YF-17战斗机（英文：YF-17 Fighter，代号：眼镜蛇），是一个轻量级原型战斗机，设计用于美国空军的LWF计划技术评估计划。 LWF的发起是因为战斗机团体中的许多人认为像F-15鹰的飞机对于许多战斗角色来说太大和昂贵。

F17 or F-17 may refer to: Formula 17, a 2004 Taiwanese film; ECAN F17, a French wire-guided torpedo; F 17 Kallinge, an air force base in southern Sweden; JF-17 Thunder, a fighter aircraft built by China and Pakistan; Northrop YF-17, an American prototype fighter aircraft of the 1970s; For the F17 Bandy World Championship, see Bandy World ...

2024年3月20日 · The Northrop Grumman YF-17 Cobra was a lightweight fighter aircraft prototype designed for the United States Air Force (USAF) in the 1970s. At the time, it was believed that many fighters, such as the F-15 Eagle, were too large, heavy, and expensive to operate.

2023年5月9日 · It seems F13 wasn’t used because of superstition. Instead, a YF-17 prototype (late 1960’s) lightweight fighter was designed to be cheaper than the F15 but lost out to the F16. So after a redesign, it became the F/A-18.

2019年9月24日 · 到了第三代战斗机时代，美军推出了f-14，f-15，f-16和f-18战斗机，这其中唯独缺少了f-17，这是为什么呢？ 一架YF-16和一架YF-17正一起飞行

The McDonnell Douglas F/A-18 Hornet traces its direct ancestry to the Northrop Cobra, a twin engine multimission fighter design developed for the export market in the late 1960s.