Max and David reunite for UAV News Talk episode 434, bringing listeners a wide-ranging discussion on the latest UAV, eVTOL, and rotorcraft developments.

FAA Advisory Circular on Powered-Lift

They start with the FAA’s release of AC 21-17-4, the long-awaited certification guidance for powered-lift aircraft. Max explains how this 64-page document emphasizes performance-based outcomes rather than prescriptive design rules. Much of the content resides in Appendix A, covering equipment from cockpit voice recorders to flight data recorders. The standout requirement: aircraft must withstand impacts from a four-pound bird—a test historically performed with frozen chickens fired from “chicken guns.” David points out that eVTOLs, operating at lower altitudes, will likely encounter more bird strikes than traditional aircraft, making the requirement especially relevant.

Joby Acquires Blade Passenger Business

The hosts then dive into Joby Aviation’s $125 million acquisition of Blade’s passenger business. Blade, known for helicopter and charter flights around Manhattan, gives Joby an existing customer base, operational infrastructure, and valuable experience. Max and David consider how quickly wealthy corporate travelers might switch from Sikorsky and Bell helicopters to Joby’s quieter eVTOLs. They expect a mixed fleet for years, with pricing likely used as an incentive to encourage adoption. The acquisition excludes Blade’s medical transport division but secures its premium commuter routes.

China’s Two-Ton eVTOL

China’s aviation industry stunned observers with the unveiling of a two-ton eVTOL. Although the aircraft carries 880 pounds of payload—comparable to a Robinson R44—Max notes the figure is underwhelming relative to the aircraft’s size. David highlights its 124 mph cruising speed and one-hour endurance, branding it part of China’s new “low-altitude economy.” Max contrasts U.S. and European reserve requirements for electric aircraft, noting that European operators can fly with only a 10-minute reserve, boosting usable endurance. They also reference the FAA’s MOSAIC rules, which propose pilot certificates requiring just 20 hours of training for simplified eVTOL controls—though both hosts believe real-world training times will be closer to 40 hours.

Ukraine’s Drone Bicycle Rescue

In a dramatic wartime innovation, Ukraine used drones to deliver electric bicycles to a soldier trapped behind enemy lines. After multiple attempts, including one foiled by a landmine, the soldier finally escaped thanks to the unusual delivery. Max appreciates this rare “good news” drone story, contrasting it with the common use of UAVs as weapons. David likens the aerial surveillance role to Vietnam-era A-1 Skyraiders providing overwatch during rescues.

Boeing Lawsuit and Startup Dispute

The discussion shifts to Boeing’s legal troubles with Zunum Aero, a Seattle-based hybrid-electric startup. After bankruptcy, Zunum sued Boeing for intellectual property theft. Though the case has bounced between rulings, the Ninth Circuit...

BVLOS rules, school safety drones, NASA’s Mars helicopters, and Michigan’s 40-mile drone research skyway take center stage in UAV News Talk episode 433, hosted by Max Trescott and David Vanderhoof. The discussion begins with the newly introduced LIFT Act—short for Leading Innovation in Flight Technology Act—proposed by Representative Jen Kiggans of Virginia on July 24, 2025. The bill would compel the Department of Transportation to accelerate FAA rulemaking for Beyond Visual Line of Sight (BVLOS) drone operations. The hosts explore how AI could be used to speed approvals, contrasting deterministic AI rule-checking with generative AI’s potential for errors, and weighing how this fits—or clashes—with the FAA’s traditionally deliberate safety-first approach.

Next, the conversation shifts to Florida’s plan to trial armed drones for school security. Developed by Campus Guardian Angel, these drones would be stored on-site in protective boxes and launched within seconds to engage an active shooter—potentially firing powder pellets to incapacitate the suspect. Max and David raise practical questions about launch authority, piloting, targeting in chaotic conditions, and operational control from a central dispatch center. They note the program’s $1,000-per-month cost and early deployments in four Florida school districts and one Texas university.

Video of the Week: A vivid example of drones aiding law enforcement—a Scottsboro, Alabama thermal video showing the nighttime capture of an attempted murder suspect hiding beside railroad tracks. The video’s bright, detailed imagery stands out from typical black-and-white thermal feeds, illustrating drones’ growing value in search and apprehension.

From terrestrial policing to interplanetary exploration, the episode dives into NASA’s ambitious proposal to send six helicopters to Mars. Building on the Ingenuity mission’s unexpected 72-flight success, the new fleet could haul 11 pounds each, operate autonomously, and even act as communication relays to extend range. The hosts discuss rotor speed adjustments for Mars’ thin atmosphere, coaxial rotor benefits, and lessons from Ingenuity’s final hard landing caused by a rotor strike.

Back on Earth, Michigan unveils its M Air Research Skyway—a 40-mile-long drone corridor enabling BVLOS operations, swarm testing, and drone traffic management (UTM) development. The University of Michigan’s engineering programs, private partners, and state agencies will collaborate to test delivery drones, advanced operations, and multi-drone coordination in a controlled yet realistic environment. Max notes the unique scale compared to most U.S. university programs, and David speculates on potential eVTOL or medical delivery applications.

The episode wraps with a look at China’s booming “low-altitude economy” and its newly recognized profession: drone flight planner. With over 247,000 licensed drone operators and 2.17 million drones registered, China sees...

In Episode 432 of UAV News Talk, Max Trescott and David Vanderhoof explore the evolving role of drones in public events, law enforcement, and emergency response—highlighting both their growing utility and the risks of poor coordination. Titled "Drone Fireworks, Police UAVs, and a Black Hawk Crash in Texas," this episode covers breaking drone news from California and Texas, trends in UAV policing, and innovations in helicopter autonomy from Sikorsky and Skyryse.

The episode opens with Max sharing a personal story about diving back into ham radio and noting the crossover with FPV drone pilots who use amateur radio frequencies for extended range. It’s a humorous but insightful segue into the broader theme: drones are becoming essential tools in unexpected places, from backyard hobbies to high-stakes public safety operations.

🎆 Drones Replace Fireworks in San Jose

The first major story is about San Jose, California, where a last-minute shift from traditional fireworks to a July 4th drone light show occurred following a major fireworks factory fire in the Central Valley. With pyrotechnics canceled, city officials quickly pivoted to a drone display. The mayor noted that the cost of drone shows is “comparable to fireworks,” depending on the number of drones used. Max and David discuss how drone shows have grown increasingly sophisticated, but viewers should be aware that real-time transitions between drone formations are slower than what’s shown in sped-up YouTube clips.

Drone light shows are not just a visual marvel—they’re also a safer and more sustainable alternative to traditional fireworks. This switch is becoming part of a national trend, particularly in fire-prone areas like California. But San Jose’s drone integration didn’t stop at entertainment.

🚨 Police Drones Monitor Illegal Fireworks

San Jose also deployed police UAVs to monitor for illegal fireworks across the city, joining another California municipality doing the same. Max shares how drone surveillance is increasingly used to spot unlawful activity on holidays like the Fourth of July. David warns hobbyists against the temptation to fly drones into fireworks displays for viral footage, noting that it’s both dangerous and illegal.

These developments tie into a larger trend: law enforcement agencies across California are embracing drones as essential tools for first response. Max and David detail programs in San Jose, Alameda County, Elk Grove, and Los Angeles, where drones are now dispatched to emergency scenes—sometimes arriving before officers 74% of the time, as was the case in Elk Grove.

Drones are being used to safely observe volatile situations like domestic disputes and fleeing suspects. In one example from San Leandro, UAVs tracked a suspect hiding under a box in a backyard, guiding officers to the location with minimal risk. Applications also include search and rescue, missing persons, and real-time crowd monitoring.

👁️ Privacy Concerns and the Future of Police UAVs

While the benefits are clear, David raises privacy concerns, such as whether UAV-collected evidence is admissible in court or if warrants are required. The discussion highlights

Max Trescott and David Vanderhoof dive into the future of drone delivery in Episode 431 of UAV News Talk. Max shares his firsthand experience receiving multiple packages via drone as part of a pilot program from Matternet, a Mountain View, California-based drone logistics company. After visiting Matternet’s headquarters and observing the behind-the-scenes operations, Max witnessed the packaging, pre-flight procedures, and live flight operations, including the dispatch and precise delivery of chocolate bars and snacks.

Matternet’s program currently serves residents in Mountain View and Sunnyvale, delivering small items such as chocolates and drinks for free as part of a test initiative to gather feedback and flight data. Max details how customers apply to join the program, undergo a home site survey, and then place orders via a website. Deliveries are tracked in real time, and drones use tethers to gently lower packages into designated clear areas, where they automatically release the payload and return to base.

Listeners hear live audio from Matternet staff explaining how deliveries are prepared, packaged, and executed under the watchful eye of a remote pilot monitoring telemetry and airspace conditions. Max describes the system’s precision and automation—including launchpads, a “mushroom-shaped” autonomous docking hub for future point-to-point missions, and how flight plans are uploaded for mostly autonomous execution.

The drones, significantly larger than consumer quadcopters, are equipped with carbon fiber propellers and make a lower-pitched, deeper noise due to their larger rotors spinning at lower RPMs. The box itself, constructed of cardboard with padded interiors, is pristine upon arrival, having avoided the rough handling common in traditional delivery systems.

David questions the economics of drone delivery, especially for low-cost items like chocolate, and Max suggests the long-term potential lies in delivering high-value or time-sensitive items, such as medical samples. They discuss how drone delivery is expanding, with Amazon, DoorDash, and companies like Flytrex, Zipline, and Alphabet’s Wing offering services in cities like Phoenix, College Station, and Dallas-Fort Worth.

While drone delivery is advancing, both hosts acknowledge challenges remain—including weather, regulatory hurdles, noise concerns, and public perception. Max’s takeaway: while drone delivery isn’t yet widespread, real-world operations like Matternet’s signal that UAV logistics are finally reaching the cusp of mainstream adoption.

Mentioned in the Show

Matternet

390 Electric Airplane Test Flight: Max Trescott Reviews the Bristell B23 Energic

In episode 430 of UAV News Talk, Max Trescott and David Vanderhoof return from vacation with urgent news and safety concerns in the drone industry. The episode opens with a major headline: the DJI Mavic 4 Pro is not available in the United States. Although the drone boasts high-end specs—including a 6K camera and improved flight performance—it’s currently unavailable in the U.S. due to concerns about data security and alleged ties between DJI and the Chinese government.

The ban stems from a long-standing effort by U.S. government agencies to restrict the use of DJI drones, especially after reports emerged that some DJI models were transmitting sensitive data back to China. The Pentagon, in particular, flagged DJI as a national security risk. In light of this, many online resellers and websites claiming to sell the Mavic 4 Pro may be scams. Max warns of fake DJI websites offering steep discounts, unauthorized sellers providing units without warranty coverage, and used drones that are “bricked” due to being locked to previous owners' DJI accounts. Buyers are urged to verify the source before purchasing any DJI drone—especially when new models are not officially available.

Next, the discussion shifts to drone battery fires, a serious issue affecting both hobbyist and commercial UAV operators. Max highlights a recent vehicle fire in Mountain View, California, caused by a drone battery left charging on the passenger seat of a truck. Though the fire was extinguished quickly and injuries were minor, it serves as a critical reminder of the dangers associated with charging LiPo (lithium polymer) batteries in enclosed or flammable environments.

In a separate and more devastating incident, a house in Kenosha County, Wisconsin was completely destroyed by a fire linked to drone batteries charging unattended. Tragically, several pets were lost in the blaze. According to reports, the batteries were connected to a newly purchased six-foot drone, and the homeowner had left them charging for hours while away from home. The episode underscores the importance of charging drone batteries only in safe, monitored locations—preferably on a non-flammable surface such as concrete and never inside unattended vehicles or homes.

From fire hazards to electric flight innovation, Max and David then explore the historic cross-Atlantic flight of Beta Technologies’ Alia electric aircraft. The Beta Alia CX300, a fixed-wing eVTOL aircraft, is currently touring Europe and made headlines for flying across the Irish Sea under VFR rules. Its final destination is Bristow Helicopters in Norway, a company known for operating offshore flights to oil platforms.

The Alia’s 250-nautical-mile range—significantly farther than most other electric VTOL aircraft—positions it as a promising alternative to traditional helicopters. Max notes that replacing helicopters for short regional missions is one of the most realistic and cost-effective early use cases for electric vertical takeoff and landing (eVTOL) aircraft. The Beta Alia also features fixed wings to improve lift and efficiency during cruise, giving it a hybrid profile that blends characteristics of both airplanes and helicopters.

In defense-related drone news, the episode also covers the U.S. Department of Defense’s recent unveiling of two

Episode 429 marks a major milestone for the podcast formerly known as The UAV Digest, soon to be relaunched as UAV News Talk. Max Flight and David Vanderhoof return to the mic after a long hiatus to introduce new co-host Max Trescott, known for his work on the Aviation News Talk podcast and expertise in both fixed-wing and helicopter flying.

The episode opens with a nostalgic look back to 2013, when Max Flight and David launched the show to cover the then-emerging drone landscape without overwhelming their other podcast, Airplane Geeks. They describe how the show evolved as they educated themselves and listeners about drone technology, regulations, and culture—sometimes even poking fun at questionable UAV behavior in their humorous “Grounded Files.”

Max Trescott shares his excitement for the relaunch and the evolving UAV and eVTOL landscape near his home in California. He describes spotting test aircraft like Joby and Archer’s eVTOLs during recent flights and highlights how the focus is now shifting from promise to actual operations, citing companies like Matternet that are actively making deliveries.

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UAV News Stories Covered

1. SciFly’s novel UAV design, which mimics helicopter performance using large, overlapping rotors, airfoil-shaped arms, and variable-pitch blades. The team praises its engineering and endurance (a two-hour hover test), while noting it depends on government contracts and future funding.
2. Lyten’s lithium-sulfur battery technology, which promises lightweight, cobalt-free energy solutions better aligned with national defense needs. They discuss the geopolitical implications of battery sourcing and the importance of secure U.S.-based supply chains.
3. Jetson ONE, a personal eVTOL dubbed the “flying motorcycle,” boasting joystick controls, 63 mph speeds, and 20 minutes of flight time. Max Trescott raises safety concerns, emphasizing the need for operational limits and robust pilot training—even for intuitive aircraft.
4. Abu Dhabi’s hybrid heliport initiative, designed to accommodate both helicopters and eVTOLs. The group agrees that infrastructure development is essential for advanced air mobility, especially in cities like New York where vertiport space is scarce. They praise the UAE’s leadership and view it as a model for global adoption.

Throughout the conversation, the hosts reflect on how UAV imagery has shifted over the years—from predator drones to quadcopters to today’s sleek eVTOLs. They also touch on persistent challenges, such as restricted flight zones, FAA registration, and airspace integration.

The episode wraps with Max Flight officially passing the baton to Trescott and offering encouragement: stay curious, have fun, and involve the community. The team announces a listener survey at

If you’ve been a longtime listener, you know it’s been a while — actually, a couple of years — since our last episode. But the good news is: The UAV Digest is coming back!

Since we last released an episode, the world of drones, UAVs, and advanced air mobility has evolved dramatically. And with so many exciting developments in technology, regulations, and industry trends, we want to make sure that the new version of the show stays in step with what matters most to you.

When we return, the show will still have the spirit you remember, but there will also be some new and exciting changes. And that’s where we need your help.

We’ve created a quick listener survey to hear your thoughts on what you’d like to hear in future episodes. It’ll only take a few minutes, and it will help shape the direction of the podcast as we move forward. You can find the survey at theuavdigest.com/survey.

Now, you might be wondering why there haven’t been any new episodes for the past few years. David and I will be back in the next episode to explain the story behind the break, and what you can expect as we relaunch the show.

In the meantime, please take a moment to visit theuavdigest.com/survey and share your thoughts. We’d really appreciate hearing from you.

Drone Safety Day is April 29, a drone that changes shape, jump-starting your car with a drone, Florida bans DJI from government agencies, decision-making for small UAVs, drones that work together without colliding, adding VTOL to a fixed-wing drone, agave farmers saving water, land a drone in Red Square.

Drone Safety Day is Saturday, April 29, 2023. The annual campaign is dedicated to educating the drone community on the importance of flying safely. You can download the 2023 Drone Safety Day Playbook and 2023 Drone Safety Day Flyer. You can also visit the Drone@Home page to find ideas to participate at home. Register your event.

University of Tokyo graduate students created drone prototypes that can rearrange into different structural shapes midair. The drones have individual segments with multi-axis gimbal systems. Each segment has its own propulsion unit, that can thrust in any direction. The drones can change their configuration to hold or move objects. They’ve also developed the SPIDAR quadruped robot that has joints in each leg and can fly.

This patent contemplates drones that assist motorists stranded with a dead battery. The Ford vehicle would transmit a “dead battery” signal and its location then a drone would fly to the vehicle, open the hood, connect to the battery, and jump-start the vehicle.

Florida Governor Ron DeSantis is forbidding government agencies from using drones manufactured by DJI. Only drones made by a small number of “approved manufacturers” can be purchased. Agencies have until January 1, 2023, to stop using drones not on the list. Many departments have already grounded their fleets. They told lawmakers that the Florida-approved drones are far more expensive and much less capable.

Sen. Tom Wright, R-New Smyrna Beach said, I’m not going to let one officer risk his life or her life because somebody thinks that these things talk to China. I cannot imagine what China would really want to see when we pull over a DUI, when we stop a speeding car, when we arrest somebody for an outstanding warrant.”

University of Notre Dame computer scientists and engineers are developing an automated decision-making system for small drones under a $5.3 million 3-year NASA grant. Notre Dame will enhance NASA’s current drone traffic management system and develop...