Progress of F-35 Flight Test Program

22.09.2011 North America
Progress of F-35 Flight Test Program

Progress of F-35 Flight Test Program

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Lockheed Martin's F-35 flight test program moves closer to reaching year-end milestones since the last update issued July 26.

Since then, the F-35 Lightning II 5th Generation multi-role fighter conducted 124 test flights, bringing the total number of flights for the year to 642.

Overall, the F-35 system development and demonstration (SDD) flight test remains on or ahead of plan for 2011, despite 15 days of testing lost due to fleet stand-down after a ground mishap involving the Integrated Power Package (IPP). Flight testing was also interrupted at Naval Air Station (NAS) Patuxent River, Maryland, because of an Aug. 23 earthquake and severe weather associated with Hurricane Irene. During this period of down time, the flight test teams at all locations continued working through planned modifications and maintenance.

As of Aug. 31, the fleet remained 8 percent ahead of plan in year-to-date (YTD) flights.

Several flight test and production key milestones were accomplished since the last report:

  • BF-1 performed a 40 foot hover in calm winds and two vertical landings (VL) for the 150th VL to date on Aug. 31.
  • AF-10 and AF-11 were delivered to Eglin AFB, Florida, August 31. They join AF-8 and AF-9 assigned to the 33d Fighter Wing.
  • Static testing was completed on the F-35C Lightning II carrier variant (CV) ground article CG-1 at Lockheed Martin Fort Worth, Texas, August 29. With this achievement, the F-35 Program has accomplished its static structural testing milestone for 2011.
  • Jet Blast Deflector (JBD) testing was completed by F-35 CV aircraft CF-2 at Joint Base McGuire-Dix-Lakehurst, N.J. from June 25-August 13. CF-2 successfully completed this portion of JBD tests required to ensure the F-35C is compatible aboard an aircraft carrier.
  • AF-7 completed its last flight of currently required conventional take off and landing (CTOL) maturity flights on August 31.

Cumulative flight test activity totals for 2011 are provided below:

  • F-35A conventional takeoff and landing (CTOL) jets have flown 314 times.
  • F-35B short takeoff/ vertical landing (STOVL) aircraft have completed 226 flights.
  • F-35C carrier variant (CV) jets have flown 102 times.

From the start of flight testing in December 2006 through September 16, 2011, F-35s flew 1,202 times, including the production-model flights and AA-1, the original flight test aircraft.

The F-35 Lightning II is a 5TH Generation fighter, combining advanced stealth with fighter speed and agility, fully fused sensor information, network-enabled operations and advanced sustainment.

Lockheed Martin is developing the F-35 with its principal industrial partners, Northrop Grumman and BAE Systems.


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