The US Air Force has grounded 55 F-35 Joint Strike Fighter jets at Arizona airbase for the second time after pilots again observed oxygen deprivation during flight tests.
Pilots at the Luke Air Force base in the US state of Arizona noticed that they were becoming deprived of oxygen during flight tests, experiencing what the branch described as "physiological incidents while flying", according to a new report from Defense One Saturday.
This is the second grounding since F-35s were declared ready for service by the US Air Force last year, after embedded electrical lines inside of the aircraft's fuel tanks were found to have cracking insulation, the report says.
However, a US Air Force spokesperson was quoted as saying that the Virginia-based F-35 program head office has now implemented a "formal action team of engineers, maintainers and aeromedical specialists to examine the incidents to better understand the issue".
The Arizona F-35s are anticipated to be cleared to fly on Monday, it says.
Lockheed Martin has been awarded $137 million contract to cut the costs of the F-35 Joint Strike Fighter, the Department of Defense said in a press release. "Lockheed Martin Corp
The US Navy's F-35B fighter jet tested its gun pod for the first time earlier this week with doubts over the accuracy of fire owing to a software issue. The gun pod can fire 55 rounds per second and has capacity to carry 220 rounds of 25 mm firepower
US Air Force has ended a restriction that prohibited pilots of a variant of the F-35 fighter jet from weighing less than 136 pounds. The restrictions were imposed after testing showed lightweight could injure pilots or even can be fatal while ejecting from the aircraft
The US Marine Corps has decided to "temporarily suspend" flight operations for 14 F-35B fighters due to software issues. The jets are from Marine Fighter Attack Squadron 211 based at Air Station Yuma in Arizona
Lockheed Martin has won a $104 million contract from US Air Force to develop, produce and field a threat simulator for future combat aircrew training. The program, known as the Advanced Radar Threat System Variant 2 (ARTS-V2), will use radar threat emitters to simulate advanced medium-range surface-to-air missiles (SAM) to support legacy and 5th generation combat aircrew training requirements
China launched the global marketing of its FC-31 stealth fighter jet that costs about US$70 million, about half the price of the Lockheed Martin F-35, at Paris Air Show 2017. "We expect that the plane's price will be around $70 million, about half that of the Lockheed Martin F-35 Lightning II from the US, which is the only fifth-generation fighter jet available on the market from the US, which only sells it to allies
US Army has awarded IFC a $30 million contract for further research into cyber operations. "IFC [of] Fairfax, Virginia was awarded a $29
The US Air Forces first F-35 Lightning II operational wing has recently received five F-35A bulk ammunition loaders for field use. Airmen extensively tested one of the loaders June 6-9, 2017, during an engineering validation and verification evaluation, the service announced Wednesday
A military investigation has disclosed that the crash of a Swiss F/A-18 fighter jet in October 2015 in the French Jura region took place because of human error. The investigation found that the pilot, who survived with light injuries did not carry out emergency procedures properly,
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