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Joby Aviation, Inc.
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Joby JAS4-1

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Conformity testing marks Joby's next phase of certification
Joby's aircraft type certification programme has entered the implementation phase, and the company has partnered with Toray to qualify new lightweight composite material.
Joby has begun conformity testing with the FAA, a key milestone on the path to achieving type certification for its all-electric aircraft.

Joby Aviation has begun FAA conformity testing, a key milestone on the path to achieving type certification for its aircraft.

The first series of conformity tests, observed and documented by an on-site FAA Designated Engineering Representative (DER), were completed this week at Toray Advanced Composites USA's facility in Morgan Hill, California.

The testing, developed by Joby engineers, is designed to confirm the material strength of composite coupons that are representative of the aerostructure of the aircraft. The resulting compliance data will form the foundation for future testing of structural components of the aircraft as Joby progresses through the type certification process.

Each system and structure of the aircraft will enter the implementation phase and begin conformity testing following completion and approval of requirements definition and compliance planning. During this phase, Joby will complete thousands of inspections and tests to demonstrate the airworthiness and safety of its aircraft before receiving a type certificate from the FAA.

“After years of development and company testing, we're excited to formally begin the process of conformity testing,” says founder and CEO JoeBen Bevirt. “We began engaging with the FAA in 2015 to lay the groundwork for certification of our aircraft, and today we move closer to bringing fast, clean and convenient aerial ridesharing to the world.”

In November, Joby completed its first FAA part conformity inspection as expected, confirming that the batch of test coupons used in the 'for credit' testing conformed to the attributes and specifications of their associated design data and as intended for the aircraft's type certification.

The coupons, constructed using a toughened epoxy and state-of-the-art carbon fibre, result in a material that is lighter and stronger than existing aerospace-grade composites, making it ideal for a high-performance eVTOL aircraft.

“Entering this stage of testing demonstrates that we're capable of manufacturing composite parts in accordance with their design, our quality system is capable of producing conforming composite parts for the aircraft and that we have the requisite traceability and design verification processes in place to progress toward our type and production certifications,” adds quality and supply chain lead Lina Spross.

In 2020, Joby signed a G-1 (stage 4) certification basis with the FAA, having received an initial (stage 2) signed G-1 in 2019. In parallel with this work, the company continues to make progress with the FAA on defining the means of compliance that will apply to its aircraft as it progresses with certification efforts.

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