test pilot

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When those tests went well, test pilot Markus Scherdel took Solar Impulse aloft for the first time.
当那些测试进展顺利时，测试飞行员马库斯.谢尔德耳第一次使“太阳能驱动”号腾空而起。
Things went horribly wrong for test pilot Ken Collins (flying under his Area 51 code name Ken Colmar) when testing the plane's subsonic engines at low altitude.
试飞员肯·柯林斯（他在51区的飞行代号为肯·科尔马）在低空测试飞机的亚音速发动机时遭遇了可怕的事故。
We spoke with an X-48B test pilot back in October, and learned that despite its size, the blended wing body aircraft provides the same challenges as any aircraft in flight testing.
十月份我们采访了一位X-48B测试飞行员，了解到，尽管它是小一号的模型，但是机翼机身混合型的飞机所面临的挑战与其他的飞机是一样的。

He was a test pilot. He had flown earlier on one of the two-man Gemini space flights.
But he was a fighter pilot,not a test pilot, and not a very good commander.
Esme French, of the Thunder Bay Regional Health Sciences Center, led a pilot study to test the feasibility of the concept.

Last year Ogilvy used text messaging in a test pilot with its then-client, mattress and bed manufacturer Select Comfort.
FORBES: CMO Network

someone whose job is to fly new aircraft in order to make certain that they are effective

A test pilot is a pilot who flies aircraft of a new design in order to test their performance.