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USAF lifts weight restriction on F-35 pilots

Photo: Martin-Baker

 

In a US Air Force news release, the service says it has lifted a restriction that kept pilots weighing less than 136 lbs from flying the F-35A. The restriction was imposed in 2015 due to concerns about the risk during ejections in a portion of the flight envelope.

The release says: ‘After rigorous testing to ensure the escape system works reliably and safely in all planned conditions and across all pilot weights, three distinct modifications were implemented. A switch was installed on the seat that slightly delays parachute deployment at high speeds and decreases parachute opening forces for lightweight pilots. Additionally, a head support panel has been mounted on the rear risers of the parachute to prevent the pilot’s head from moving backwards during an ejection. Finally, the overall helmet weight has been reduced through both the reduction of internal strapping material and the removal of an additional external visor, which decreases injury risk during parachute opening.’

‘I have personally briefed every single F-35 pilot in the United States Air Force about these changes to their ejection seat and I’m confident our pilots are no longer concerned with the safety of the F-35 ejection system. I’ve flown in this seat myself and believe, with these modifications, this is the safest ejection seat I’ve ever flown,’ said Brig Gen Scott L. Pleus, the F-35 Integration Office director.

In July 2015, during the manufacturer’s ongoing testing, analysis identified an unacceptable risk of neck injury during parachute deployment/opening for pilots weighing less than 136 lbs. The requirement is for the seat to be certified for any pilot weighing between 103 and 245 lbs.

Air Force headquarters and wing leadership took immediate action to ensure pilot safety and work with the manufacturer to meet requirements for the seat. The F-35 Joint Program Office has been working in concert with contractors to develop options to reconfigure the ejection system.

The new ejection seats are already being retrofitted into the existing fleet and the lightweight helmets are available in pre-production now, while full production starts later this year.

Posted in News

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