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CV-990 Landing Systems Research Aircraft (LSRA)
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A Convair 990 (CV-990) aircraft was used as Landing Systems Research Aircraft (LSRA) to test space shuttle landing gear and braking systems. These tests were part of NASA's continuing effort to upgrade and improve space shuttle capabilities. The aircraft is operated by the NASA Dryden Flight Research Center, Edwards, Calif., where it was modified into a Landing Systems Research Aircraft.
CV-990 Home Page
| DFRC Photo # |
Photo Date |
Image Description |
| |
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CV-990 (LSRA) Photo Collection Contact Sheet |
| ED95-43234-1 |
August 2, 1995 |
CV-990 Landing Systems Research Aircraft (LSRA) during Space Shuttle tire test |
| EC95-43230-4 |
August 12, 1995 |
CV-990 Landing Systems Research Aircraft (LSRA) during final Space Shuttle tire test |
| EC89-0042-11 |
March 6, 1989 |
CV-990 LSRA |
| EC92-05275-30 |
May 27, 1992 |
CV-990 LSRA |
| EC92-07173-1 |
July 1992 |
LSRA on taxiway |
| EC92-12221-1 |
December 21, 1992 |
LSRA taking off |
| EC92-12221-2 |
December 21, 1992 |
LSRA taking off |
| EC94-42596-1 |
1994 |
LSRA landing with tire test |
| EC93-41018-5 |
April 1993 |
LSRA with Shuttle main gear |
| EC93-41018-6 |
April 1993 |
LSRA with Shuttle main gear |
| EC93-41018-11 |
April 7, 1993 |
LSRA in flight |
| EC93-41018-12 |
April 7, 1993 |
LSRA in flight |
| EC93-41018-18 |
April 1993 |
Close-up of LSRA Shuttle main gear |
| EC95-43211-7 |
August 2, 1995 |
Close-up of Shuttle tire after LSRA test |
| EC95-43229-1 |
August 11, 1995 |
Close-up of Shuttle tire after LSRA test |
| EC95-43199-7 |
July 27, 1995 |
CV-990 Landing Systems Research Aircraft (LSRA) flight #145 drilling of shuttle tire using Tire Assault Vehicle |
Additional Information
A series of tests with the CV-990 were conducted at Edwards and at the Kennedy Space Center, Florida, in 1993 and 1994 to study shuttle tire wear. The tests were very significant to the space shuttle program by allowing the Return to Landing Site (RTLS) crosswind limits of the orbiters to be increased from 15 to 20 knots. A landing gear retraction system was installed in the lower fuselage area of the CV-990, between the aircraft's main landing gear. The landing capability of the CV-990 is unaffected by the test components which represent a space shuttle landing gear unit.
During tests, the landing gear unit is lowered by a high-pressure hydraulic system once the CV-990 main landing gear has contacted the runway. The tests allowed engineers to assess and document the performance of the space shuttle's main and nose landing gear systems, tires and wheel assemblies, plus braking and nose wheel steering performance. As soon as an individual landing test was completed, the loads on the shuttle gear, up to 150,000 lbs., were reduced and the landing roll was completed on the CV-990's landing gear.
The CV-990 was built by the Convair Division of General Dynamics Corp., Ft. Worth, Texas, in 1962. The aircraft was used for commercial passenger service by American Airlines and Modern Air Transport until acquired by NASA in 1975 for use as a research aircraft at the Ames Research Center, Moffett Field, California.
The Dryden project pilot was C. Gordon Fullerton, a veteran of two space shuttle missions. Fullerton was also a member of the NASA flight crews that carried out the space shuttle approach and landing tests at Dryden in 1977 with the prototype orbiter Enterprise.
Other Links
CV-990 Landing Systems Research Aircraft (LSRA) Movie Collection
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Dryden Home > Collections > Photo Home > CV-990 Landing Systems Research Aircraft (LSRA) |
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