N.I.B: The Nonthrop X-4
This clip is not available for streaming at this time. Please contact WPA.	Tape Master:	1538
	Catalog #:	362682
	Clip Number:	362682-1
	Orginal Film:	022-219-03
	Timecode:	00:45:48 - 00:46:35
	Location:	Muroc, California
	Year Shot:	1949 (Actual Year)
	Audio:	No
	Color:	No
	Headings:	AERIALS: Air to Air LOCATIONS/NORTH AMERICA: USA, California TRANSPORTATION/AVIATION: Military TRANSPORTATION/AVIATION: Technology TRANSPORTATION/AVIATION: Test Flight
	Description:	Shaky, blurry and dull in contrast and imagery W/ D.O.S The Air Force's new research craft, the x-4, goes up for its first flight tests. Northrop pilot Charles Tucker flies the swept wing, semi-tailless plane powered by gas turbine engines. The x-4 will provide vital subsonic data. Jack Northrop a skilled and innovative designer who built the SX 4 research airplane (later the X-4) for the U.S military and the Advisory Committee for Aeronautics (NACA). The X-4 was developed for the study of flight characteristics of swept wing semi-tailless aircraft at transonic speeds. One aircraft was first flown by Northrop on December 16, 1948, and the second X-4 made its intial flight on June 7, 1949.

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