This article is based on an official press release from NASA.

NASA’s X-59 Supersonic Aircraft Completes Abbreviated Second Test Flight

On Friday, March 20, 2026, NASA’s X-59 quiet supersonic research aircraft took to the skies for its second test-flights. Taking off from Edwards Air Force Base in California, the flight marked the official beginning of the “envelope expansion” phase for the agency’s ambitious Quesst mission.

According to an official press release from NASA, the flight was intentionally cut short to just nine minutes after a cockpit system warning. Despite the abbreviated duration, NASA test pilot Jim “Clue” Less landed the experimental military-aircraft safely, and mission officials have deemed the flight a success due to the valuable data collected on the aircraft’s handling and onboard systems.

The Quesst mission aims to revolutionize commercial aviation by demonstrating the ability to fly faster than the speed of sound without generating a disruptive sonic boom. By replacing the loud explosion with a quieter “sonic thump,” NASA hopes to provide international regulations with the acoustic data needed to lift the current ban on commercial supersonic flight over land.

Flight Profile and Precautionary Landing

A Nine-Minute Data-Gathering Mission

The second flight of the X-59 was originally scheduled for Thursday, March 19, but was shifted to Friday. The aircraft took off at 10:54 a.m. PDT. According to NASA’s mission parameters, the planned flight profile was expected to last approximately an hour. The goal was to match the conditions of the aircraft’s first flight, reaching 230 mph at an altitude of 12,000 feet, before climbing to 20,000 feet and accelerating to 260 mph.

However, several minutes into the flight, pilot Jim Less received a vehicle system warning. Following established safety protocols, Less initiated a “return-to-base” maneuver. The aircraft touched down safely at 11:03 a.m. PDT, resulting in a total flight time of nine minutes.

“The takeoff roll and liftoff was uneventful. The plane performed beautifully,” stated NASA Test Pilot Jim “Clue” Less in the agency’s release. “As we like to say, it was just like the simulator – and that’s what we like to hear. This is just the beginning of a long flight campaign.”

The Quesst Mission and Envelope Expansion

Pushing the Limits Safely

This second flight officially kicks off the “envelope expansion” phase of the X-59 program. During this critical testing period, NASA will gradually push the aircraft to fly faster and higher in measured increments to validate its safety and performance limits. The ultimate performance target for the X-59 is a cruising speed of Mach 1.4 at an altitude of approximately 55,000 feet.

The aircraft’s inaugural flight took place on October 28, 2025, piloted by Nils Larson, and lasted 67 minutes. Following extensive post-flight maintenance and an engine run test on March 12, 2026, the team was ready to resume airborne testing.

“Despite the early landing, this is a good day for the team. We collected more data, and the pilot landed safely,” noted Cathy Bahm, Project Manager for NASA’s Low-Boom Flight Demonstrator. “We’re looking forward to getting back to flight as soon as possible.”

AirPro News analysis

At AirPro News, we view this abbreviated flight not as a setback, but as a textbook example of experimental flight testing protocols functioning exactly as designed. The primary objective of early-stage test flights is to identify system anomalies in a controlled environment. NASA Associate Administrator Bob Pearce confirmed that the decision to terminate the flight followed established safety procedures, which is standard practice for experimental aircraft.

The successful collection of handling, braking, and onboard systems data during those nine minutes will be critical for the engineering teams. Once the envelope expansion phase is complete, NASA will transition to acoustic testing, flying the X-59 over select U.S. communities to gather public feedback on the noise. This data will be instrumental for international regulators considering the future of overland supersonic travel, making every data point gathered today a stepping stone toward faster global connectivity.

Frequently Asked Questions

Why was the X-59’s second flight cut short?

The flight was terminated after nine minutes due to a vehicle system warning in the cockpit. The pilot followed standard safety procedures and returned to base safely, which NASA officials noted is a normal occurrence during early experimental flight testing.

What is the goal of NASA’s Quesst mission?

The mission aims to demonstrate that the X-59 can fly at supersonic speeds while reducing the traditional sonic boom to a quieter “sonic thump.” This data will be shared with regulators to potentially lift the ban on commercial supersonic flight over land.

How fast will the X-59 eventually fly?

NASA’s target for the X-59 is a cruising speed of Mach 1.4 (faster than the speed of sound) at an altitude of approximately 55,000 feet.

Sources

• NASA

This article is based on an official press release from Vertical Aerospace.

Vertical Aerospace has announced the operational launch of its automated battery pilot production line at the Vertical Energy Centre (VEC). This marks a significant step toward the certification and commercialization of the company’s electric aviation technology.

According to the company’s press release, the upgraded facility will support the assembly of battery packs for its upcoming Valo certification aircraft. The move aligns with Vertical’s broader strategy to maintain in-house control over core powertrain technologies while preparing for commercial production, which is currently targeted for 2028.

We note that this development highlights the growing emphasis electric vertical takeoff and landing (eVTOL) manufacturers are placing on vertical integration for critical components, particularly high-performance battery systems that dictate flight capabilities and safety standards.

Upgrading the Vertical Energy Centre

The original 15,000-square-foot Vertical Energy Centre, which opened in 2023, has been instrumental in producing battery systems for the company’s piloted flight testing since 2024. The official press release states that these proprietary batteries have already demonstrated peak power outputs of up to 1.4 megawatts during flight tests.

Now, the facility has been upgraded with automated, aerospace-grade manufacturing processes. Vertical Aerospace notes that these enhancements are designed to improve efficiency, consistency, and overall battery performance as the company moves toward regulatory approval.

Supporting the Valo Certification Fleet

The newly operational pilot line will be tasked with building the final battery packs for seven Valo certification aircraft. These aircraft are critical to Vertical’s certification program with the UK Civil Aviation Authority (CAA) and the European Union Aviation Safety Agency (EASA).

Furthermore, the company stated that this pilot line will provide the necessary capacity for the initial phase of commercial production following certification.

“Bringing our automated battery production line online is a defining step in our journey toward certification and commercialisation,” said Stuart Simpson, CEO of Vertical Aerospace, in the press release.

Simpson added in the release that investing early in aerospace-grade battery manufacturing helps the company reduce integration risks and strengthen supply chain control.

Commercial Strategy and Recurring Revenue

While Vertical Aerospace partners with tier-one aerospace suppliers such as Honeywell, Aciturri, and Syensqo for various aspects of aircraft development, the battery system remains a core in-house technology. The press release emphasizes that this proprietary system will power both the fully electric Valo eVTOL and the company’s hybrid-electric aircraft program.

Beyond initial aircraft sales, Vertical anticipates that battery replacements will generate significant recurring revenue. The company expects to supply approximately 20 battery packs per aircraft over its operational lifespan. By 2035, Vertical projects it will have supplied up to 45,000 battery packs across its operational fleet.

Expanding Manufacturing and UK Footprint

The Upcoming VEC2 Facility

To meet anticipated demand, Vertical is already planning further expansion. A new 30,000-square-foot facility, dubbed Vertical Energy Centre 2 (VEC2), is expected to open later this year adjacent to the current site.

According to the company, VEC2 will serve as a powertrain hub and is projected to triple battery production capacity. By 2027, Vertical expects its total investment across both the VEC and VEC2 facilities to reach £6.4 million ($8.5 million).

Job Creation and Future Production Sites

Vertical currently employs approximately 450 people, primarily in the South West of England. As manufacturing scales, the company projects that the number of highly skilled jobs within its manufacturing ecosystem will rise to at least 2,220 by 2035.

The location for Vertical’s full-rate production and battery facilities has not yet been finalized. The press release indicates that locations both within the UK and internationally are under consideration, with a final decision expected later this year.

AirPro News analysis

We view Vertical’s decision to keep battery development and production in-house as a strategic differentiator in the competitive eVTOL market. While relying on established tier-one suppliers for avionics and aerostructures reduces development risk, controlling the battery technology allows Vertical to directly manage the most critical performance variable in electric aviation: energy density and power output.

The projection of 20 battery packs per aircraft over its lifecycle underscores the intensive wear-and-tear eVTOL batteries will endure, highlighting a lucrative aftermarket revenue stream that could stabilize long-term financials for manufacturers that successfully own their battery intellectual property.

Frequently Asked Questions

When does Vertical Aerospace expect to begin commercial production?
According to the company’s press release, the first phase of commercial production following certification is targeted for 2028.

How much power do Vertical’s proprietary batteries generate?
The company reports that its batteries have delivered up to 1.4 megawatts of peak power during flight testing.

What is the Vertical Energy Centre 2 (VEC2)?
VEC2 is a planned 30,000-square-foot powertrain hub expected to open later this year, which Vertical says will triple its battery production capacity.

Sources

• Vertical Aerospace Press Release

This article is based on an official press release from Indra Group.

In a significant step toward modernizing European ground operations, technology firm Indra has partnered with Synaptic Aviation to deploy an AI-driven monitoring system across Spain’s busiest aviation hubs. The initiative targets aircraft turnaround processes at Adolfo Suárez Madrid-Barajas, Josep Tarradellas Barcelona-El Prat, and Palma de Mallorca Airports.

According to an official press release from Indra Group, the new digital system utilizes advanced video analytics to oversee aircraft rotation before takeoff. By automating the tracking of apron activities, the technology aims to enhance operational predictability, reduce environmental impact, and improve the overall passenger experience.

The three airports, all managed by Spanish airport operator Aena, collectively handle over 150 million passengers annually and feature approximately 477 aircraft parking positions. We note that implementing AI at this scale represents a major commitment to digitalizing ground handling and maximizing existing infrastructure capacity.

AI-Driven Apron Operations

Real-Time Video Analytics

The core of the new deployment relies on real-time video streams captured by cameras positioned near boarding bridges and aircraft parking areas. Synaptic Aviation’s software processes these feeds to automatically log critical turnaround events.

As detailed in the company’s announcement, the AI system tracks specific ground service milestones, including ground power unit (GPU) connections, the placement of wheel chocks, refueling procedures, and catering service provisioning. By continuously monitoring these activities, airport operators and airlines gain precise data to optimize safety and efficiency.

“We’ve demonstrated that Synaptic’s AI model delivers class-leading accuracy with low latency, resulting in improved punctuality, greater visibility, and a higher degree of apron safety for our customers,”

said Sal Salman, president of Synaptic Aviation, in the press release. He added that integrating this technology with Indra’s resource management solutions will deliver high-impact results for Aena.

Strategic Impact on Spanish Aviation

Enhancing Aena’s Network

The integration of AI into Aena’s network aligns with broader industry trends prioritizing data-driven technologies to meet environmental and operational goals. Indra emphasized that the system can be deployed securely as a local enterprise application, adhering to strict cybersecurity policies without requiring extensive modifications to current airport infrastructure.

This seamless integration allows airport teams to make rapid, informed decisions based on reliable data. Consequently, the technology is expected to reduce turnaround times, lower emissions from idling ground equipment, and minimize flight delays.

“The video analytics solution developed by Synaptic Aviation and deployed by Indra will provide Aena with a powerful and innovative tool, enabling it to revolutionize airport management and transform the future of air transport,”

stated Lidia Muñoz Pérez, director of Ports and Airports at Indra, according to the official release.

AirPro News analysis

As we observe the aviation industry’s ongoing recovery and growth, optimizing aircraft turnaround times, often referred to as the “pit stop” of aviation, has become a critical focus. Turnaround delays have a cascading effect on flight schedules, leading to increased costs and passenger dissatisfaction.

By leveraging computer vision and artificial intelligence, airports can transition from manual timestamping to automated, precise tracking of ground operations. This shift not only holds ground handlers and Airlines accountable to their service level agreements but also allows airports like Madrid, Barcelona, and Palma de Mallorca to increase gate throughput without the capital expenditure of building new terminals. The Partnerships between Indra and Synaptic Aviation highlights a growing market for off-the-shelf AI enterprise solutions that integrate directly into existing airport management systems.

Frequently Asked Questions

Which airports are receiving the new AI system?

The artificial intelligence system is being deployed at three major Spanish airports managed by Aena: Adolfo Suárez Madrid-Barajas, Josep Tarradellas Barcelona-El Prat, and Palma de Mallorca.

What does the AI technology monitor?

The system uses video analytics to monitor aircraft turnaround activities in real time. It tracks events such as ground power unit (GPU) connections, chock placement, refueling, and catering services.

Who is providing the technology?

The solution is a collaborative effort between technology and defense company Indra and AI video analytics specialist Synaptic Aviation.

Sources

• Indra Group