Joby Aviation is progressing through FAA Stage 5 type certification with FAA pilot flight tests and key milestones scheduled primarily for 2026, aiming to enable commercial operations in Dubai and the U.S. The process is supported by rigorous testing and manufacturing scale-up.
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What is the expected timeline and specific milestones to complete Stage 5 type certification and FAA pilot flight tests?
Based on the excerpts from Joby Aviation’s Q4 2025 earnings transcript and related disclosures, the following timeline and key milestones emerge regarding the completion of Stage 5 type certification and FAA pilot flight tests:
Joby has made significant progress through Stage 4 of FAA certification, posting a record 18-point increase in FAA certification progress in Q4 2025, the most progress the FAA has ever delivered in a single quarter for Joby12.
The company is now entering the final and fifth stage of their type certification process (Stage 5), with FAA pilots expected to begin flying the conforming aircraft later in 202613.
The first FAA conforming aircraft is ready to fly, marking a major milestone and enabling the start of FAA’s Type Inspection Authorization (TIA) flight testing13.
FAA pilot flight tests (TIA for credit flight tests) are expected to commence later in 2025, with plans well underway4.
These flight tests are critical for completing the certification and clearing the aircraft for commercial operations under FAA regulations, including Part 1355.
Parallel to flight testing, the company is conducting rigorous component and system-level ground testing with conforming test articles designed to replicate potential defects. These tests are per rigorous test plans agreed with the FAA and are essential before the final certification42.
Completion of all component and system ground tests is a prerequisite to placing paying passengers aboard and achieving full certification6.
Manufacturing ramp-up is closely aligned with certification milestones, specifically to produce:
Test articles for FAA flight and ground testing (higher complexity due to design-in defects).
Conforming aircraft for Dubai passenger flights expected in 2026.
Aircraft for the U.S. EVTOL Integrated Pilot Program (eIPP) demonstration sites anticipated in up to 5 states in 2026378.
The manufacturing ramp is considered a "very significant lift," prioritizing the production of test articles first as "the gate" to FAA pilot flight tests8.
Early 2026: FAA conforming aircraft flight tests by FAA pilots commence as part of Stage 5 certification13.
During 2026:
Carrying first paying passengers in Dubai under a 6-year exclusive access framework, relying on layering FAA certification work with UAE regulatory requirements36.
Begin U.S. commercial demonstration flights in select markets through the eIPP program, expected to be announced imminently by the U.S. Department of Transportation, allowing passenger and cargo flights in key states378.
Add a second full-motion FAA-qualified flight simulator to expand pilot training capacity, crucial for certification and commercial launch readiness59.
Manufacturing production increase targeting doubling output by 2027 with a new production facility in Dayton, Ohio bought in early 2026 to support scale7.
The company notes that:
Component and system testing and FAA pilot flight testing are decoupled but both critical paths to completion4.
Manufacturing ramp and the ability to scale build conforming aircraft to meet test and commercial demand is a major operational challenge requiring careful sequencing and milestone-based investments810.
Exact timelines for the second half of 2026 depend on initial production ramp performance, supplier readiness, and FAA certification progress10.
| Milestone/Activity | Timing | Comments |
|---|---|---|
| Completion of FAA Stage 4 certification | Completed late 2025 | 18-point progress in Q4 2025, setting stage for final steps12 |
| First FAA conforming aircraft readiness | Q4 2025 | Aircraft ready to fly and enter TIA flight tests13 |
| FAA pilot flight tests begin (Stage 5) | Later in 2025 into 2026 | Critical flight tests by FAA pilots underway, supporting full type certification43 |
| Component/system ground testing | Ongoing alongside flight tests | Using complex conforming test articles as part of FAA approval process426 |
| Commercial passenger flights in Dubai | 2026 | Planned first passenger operations leveraging FAA certification work + local regulatory approval36 |
| U.S. eVTOL Integrated Pilot Program launches | 2026 | 5 U.S. states selected for demonstration flights, enabling commercial passenger and cargo services38 |
| Manufacturing ramp-up & production scale | Through 2026 and beyond | New Ohio facility acquired; target to double production to 4 aircraft/month by 20277810 |
| FAA-qualified flight simulators expansion | 2026 | Second full-motion simulator planned to meet training requirements for commercial ops59 |
Joby Aviation’s Stage 5 certification process and FAA pilot flight tests are on track for intensive activity primarily through 2026, with the company expecting to complete critical flight test milestones and support the first commercial passenger operations in Dubai in the same timeframe. Certification progress is underpinned by thorough ground testing and a sizable manufacturing ramp, positioning the company to pursue U.S. market demonstrations under the eIPP program within 2026 as well.
This timeline demonstrates a disciplined, milestone-driven approach balancing certification, manufacturing scale, and commercial launch readiness, supported by robust capital and strategic partnerships4121112531397146810.
This analysis directly reflects and is supported by Joby Aviation’s Q4 2025 statements and disclosures.
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