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Regulations & Safety

TWU Calls for Human Dispatchers and Airline Maintenance in AAM Sector

The Transport Workers Union demands certified dispatchers and strict maintenance for advanced air mobility at the upcoming congressional hearing.

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This article is based on an official press release from the Transport Workers Union (TWU) and supplementary data regarding the House Transportation & Infrastructure Committee hearing. See the original release for full details.

TWU Demands Human Dispatchers and Airline-Grade Maintenance for AAM Sector

Ahead of a pivotal congressional hearing on the future of aviation, the Transport Workers Union (TWU) has issued a strong call for the Advanced Air Mobility (AAM) industry to adopt the rigorous safety and labor standards currently applied to commercial airlines. In a press release issued December 2, 2025, the union argued that the emerging sector, comprising electric air taxis and powered-lift aircraft, must not be permitted to bypass established safety protocols regarding aircraft maintenance and operational control.

The demands come just one day before the House Transportation & Infrastructure Committee is scheduled to convene for the hearing titled “America Builds: The State of the Advanced Air Mobility (AAM) Industry.” With industry leaders from companies such as Wisk Aero and Beta Technologies set to testify, the TWU is positioning itself as a check against what it views as a potential erosion of safety standards in favor of automation and cost-cutting.

The Push for Certified Human Dispatchers

A central pillar of the TWU’s position is the requirement for certified aircraft dispatchers in AAM operations. Currently, many AAM operators are preparing to launch under Federal Aviation Administration (FAA) Part 135 rules, which govern commuter and on-demand operations. Unlike Part 121 rules, which govern major commercial airlines, Part 135 does not strictly mandate the use of certified dispatchers who share joint responsibility for a flight alongside the pilot.

According to the TWU statement, removing this layer of oversight introduces unnecessary risk into the national airspace. The union contends that dispatchers provide a critical “second set of eyes,” monitoring weather patterns, fuel calculations, and operational hazards independent of the flight crew.

“The TWU insists that AAM operations must utilize certified aircraft dispatchers to ensure a critical layer of safety in complex urban environments.”

This demand places the union in direct conflict with the business models of several AAM developers. Companies like Wisk Aero are pursuing fully autonomous aircraft that utilize ground-based “Multi-Vehicle Supervisors” rather than traditional dispatchers or onboard pilots. The TWU argues that replacing certified human professionals with automated systems or less-regulated oversight roles compromises the safety redundancy that the flying public expects.

Closing the Maintenance Loophole

Beyond operational control, the TWU is urging lawmakers to enforce strict maintenance standards for the AAM fleet. The union expressed concern that without explicit legislative guardrails, AAM operators might utilize third-party or foreign repair stations that lack the oversight required of major U.S. carriers.

The TWU supports the application of the Global Aircraft Maintenance Standards Act to the AAM sector. Their primary objectives include:

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  • Mandatory Certification: Ensuring all mechanics working on AAM aircraft hold FAA Airframe & Powerplant (A&P) certifications.
  • Preventing Offshoring: Closing regulatory loopholes that could allow operators to outsource maintenance to facilities with lower safety and security standards.
  • Standardization: Importing Part 121 commercial airline maintenance standards rather than creating new, potentially more lenient categories for powered-lift aircraft.

Andre Sutton, the International Vice President and Air Division Director for the TWU, emphasized that the advancements in aviation technology should not come at the expense of the skilled labor and safety protocols that have made U.S. aviation the safest in the world.

Regulatory Context: The SFAR 120 Landscape

The timing of the TWU’s demands is significant. In late 2024, the FAA finalized the “Integration of Powered-Lift” Special Federal Aviation Regulation (SFAR), also known as SFAR 120. This rule serves as the interim governing framework for AAM operations for the next decade, effective January 2025.

While SFAR 120 integrates powered-lift aircraft into the national airspace, it largely places them under Part 135 operational rules. This regulatory classification allows for more flexibility than the Part 121 rules used by major airlines like American or Southwest. By lobbying Congress during the “America Builds” hearing, the TWU appears to be seeking legislative intervention to “toughen” these requirements, effectively asking Congress to supersede the FAA’s recent regulatory framework.

AirPro News Analysis: The Labor vs. Automation Clash

The conflict between the TWU and the AAM industry represents a fundamental divergence in vision for the future of flight. For AAM developers, the economic viability of “air taxis” relies heavily on high-frequency, low-cost operations. Business models from companies like Joby Aviation and Archer Aviation depend on keeping operating costs significantly lower than traditional helicopters or regional jets. Adding the regulatory burden of Part 121, including certified dispatchers and strictly domestic, unionized maintenance crews, could threaten the projected margins of these early-stage companies.

Furthermore, the presence of Wisk Aero at the December 3 hearing highlights the industry’s long-term goal of removing the pilot entirely. The TWU’s insistence on human-centric roles (dispatchers and mechanics) serves a dual purpose: it acts as a safety argument in the public eye while simultaneously attempting to secure future jurisdiction for union labor in a sector designed to minimize headcount. As the industry moves toward autonomy, we expect this friction between legacy labor standards and novel operational concepts to intensify.

Frequently Asked Questions

What is the main difference between Part 135 and Part 121 operations?
Part 121 governs scheduled air carriers (major airlines) and requires the highest level of safety, including certified dispatchers and strict maintenance schedules. Part 135 governs commuter and on-demand flights (like private jets and air taxis), allowing for more flexible operational control and maintenance rules.

Why does the TWU want certified dispatchers for air taxis?
The TWU argues that dispatchers provide essential independent oversight, monitoring weather and logistics, that enhances safety. They believe removing this role to save costs increases risk, especially in dense urban airspace.

Who is testifying at the December 3 hearing?
Witnesses scheduled to appear before the House Transportation & Infrastructure Committee include Kyle Clark (CEO of Beta Technologies), Tyler Painter (CFO of Wisk Aero), Robert Rose (CEO of Reliable Robotics), and Gregory Pecoraro (CEO of NASAO).

What is the Global Aircraft Maintenance Standards Act?
It is legislation supported by the TWU intended to close loopholes that allow U.S. airlines to outsource maintenance to foreign repair stations that may not meet the same security and drug-testing standards as U.S. facilities.

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Photo Credit: The Transport Workers Union of America

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Regulations & Safety

Stolen Cessna 172 Crashes into Hangar at Van Nuys Airport

A stolen Cessna 172 crashed into a hangar at Van Nuys Airport. Suspect arrested; FAA and FBI investigate security breach at busy general aviation airport.

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This article summarizes reporting by NBC Los Angeles and Jonathan Lloyd.

Stolen Cessna 172 Crashes into Hangar at Van Nuys Airport

A security breach at Van Nuys Airports (VNY) early Thursday morning resulted in the theft and subsequent crash of a single-engine aircraft. According to reporting by NBC Los Angeles, a suspect broke into a flight school facility and attempted to commandeer a Cessna 172 before crashing the plane into a nearby hangar building. Authorities have confirmed that the aircraft never successfully became airborne.

Law enforcement officials, including the Los Angeles Airport Police (LAXPD) and the FBI, responded immediately to the scene. The suspect was taken into custody without incident, and no injuries were reported on the ground or in the aircraft. The incident has prompted a federal investigation into the security protocols at one of the world’s busiest general aviation airports.

Timeline of the Theft and Crash

The incident began in the pre-dawn hours of December 18, 2025. According to a timeline compiled from reports by NBC4 and KTLA, the suspect trespassed onto the airport grounds around 4:00 AM. The individual targeted a flight training facility located near the 7900 block of Balboa Boulevard, an area densely populated with Commercial-Aircraft academies and hangars.

The Break-in and Attempted Taxi

After gaining access to the flight school, the suspect boarded a white single-engine Cessna 172. Around 5:00 AM, the suspect attempted to operate the aircraft. NBC Los Angeles reports that the plane was stolen directly from the flight school’s ramp.

“A small plane crashed in a building at Van Nuys Airport after it was stolen from a flight school, officials tell NBC4 Investigates.”

— NBC Los Angeles

While the suspect managed to start the engine and begin taxiing, they lost control of the aircraft before reaching a runway. The plane surged forward and impacted a hangar nose-first. Aerial video footage broadcast by KTLA showed the aircraft’s nose embedded in the metal siding of the structure, leaving a distinct hole in the exterior wall. The propeller and nose cone sustained significant damage, rendering the aircraft inoperable.

Suspect and Legal Proceedings

Following the crash, LAXPD officers arrested the suspect at the scene. CBS Los Angeles and other local outlets have identified the individual as 37-year-old Ceffareno Michael Logan. He was booked on suspicion of burglary and theft of an aircraft.

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According to verified reports from Patch and NTD News, bail for Logan has been set at $150,000. As of the latest updates, authorities have not disclosed a motive for the theft, nor have they confirmed whether the suspect possessed any prior flight training or a pilot’s license. The swift arrival of law enforcement prevented any further attempts to move the aircraft or flee the scene.

Investigation and Aftermath

The investigation has expanded beyond local police to include federal agencies. Both the Federal Bureau of Investigation (FBI) and the Federal Aviation Administration (FAA) are on-site to assist LAXPD. Their inquiry will likely focus on how the suspect breached the perimeter and accessed the aircraft keys or ignition system.

Crews were observed later in the morning extracting the damaged Cessna from the hangar wall and towing it back to the flight academy’s facility. Despite the dramatic nature of the event, airport operations at Van Nuys were not significantly disrupted, as the crash was contained within the flight school’s specific ramp area.

AirPro News Analysis: General Aviation Security

While commercial airports operate under the strict passenger screening protocols of the TSA, general aviation (GA) airports like Van Nuys face different security challenges. VNY is a massive facility with multiple access points for Private-Jets businesses, hangars, and flight schools. This incident highlights the vulnerability of “insider” areas where aircraft are parked.

Although rare, the theft of aircraft is a known risk in the aviation industry. In 2018, a ground service agent stole a Q400 turboprop from Seattle-Tacoma International Airport, a tragedy that ended in a fatal crash. Fortunately, in this instance at Van Nuys, the suspect failed to achieve flight, preventing a potentially catastrophic outcome over the densely populated San Fernando Valley. We anticipate this event will trigger a review of after-hours key storage and perimeter security standards for flight schools operating at VNY.

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Photo Credit: KTLA5

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Regulations & Safety

US Government Admits Liability in 2025 Washington DC Mid-Air Collision

The U.S. government admits fault in the 2025 mid-air collision near Ronald Reagan Washington National Airport that killed 67, citing FAA and Army errors.

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This article summarizes reporting by AP News.

US Government Admits Liability in Fatal Collision Between American Eagle Jet and Army Helicopter

In a significant legal development following the deadliest United States aviation accident since 2001, the U.S. government has formally admitted liability for the mid-air collision that claimed 67 lives earlier this year. According to court filings submitted in December 2025, the Department of Justice acknowledged that negligence by both Federal Aviation Administration (FAA) air traffic controllers and U.S. Army pilots caused the tragedy.

The crash, which occurred on January 29, 2025, involved American Eagle Flight 5342 and a U.S. Army Black Hawk helicopter operating near Ronald Reagan Washington National Airport (DCA). As reported by AP News, the government’s admission comes in response to a lawsuit filed by the family of a victim, signaling a potential shift in how the remaining legal battles regarding the disaster will proceed.

Government Concedes Negligence in Court Filing

The lawsuit, filed by the family of passenger Casey Crafton, alleges that failures in communication and protocol led directly to the catastrophe. In a move that legal experts describe as unusually swift for complex aviation litigation, the government did not contest its role in the accident.

In the filing, the government stated that it:

“owed a duty of care to plaintiffs, which it breached.”

, U.S. Department of Justice filing, via AP News

By admitting liability, the government effectively removes the need for a trial to determine fault regarding its own agents (the FAA and the Army). The legal focus will likely shift toward determining the amount of damages owed to the families of the 64 people on the regional jet and the three crew members on the helicopter.

Operational Failures Behind the Crash

The collision occurred at night while the American Eagle CRJ700, operated by PSA Airlines, was on approach to DCA from Wichita, Kansas. The Black Hawk helicopter was conducting a training mission involving night vision goggles. Investigations cited by AP News and preliminary NTSB data highlight two primary causes for the disaster: air traffic control errors and pilot deviations.

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FAA Controller Errors

According to the reports, the FAA controller at DCA utilized “visual separation” procedures, asking the helicopter pilots if they had the incoming jet in sight. Once the pilots confirmed they did, the controller transferred the responsibility for maintaining safe distance to the helicopter crew. Following the incident, the FAA has reportedly restricted the use of visual separation for helicopters operating in this congested airspace.

Army Pilot Deviations

The government’s admission also encompasses errors made by the Army flight crew. Investigators found that the helicopter was flying significantly higher than permitted for its specific route. While the limit for “Route 4” was 200 feet, the Black Hawk was operating between 278 and 300 feet, approximately 78 feet above the ceiling for that corridor.

Furthermore, technical discrepancies were noted in the helicopter’s equipment. The investigation revealed that the barometric altimeter may have displayed an altitude 80 to 100 feet lower than the aircraft’s actual position, potentially misleading the pilots. The use of night vision goggles was also cited as a factor that may have limited the crew’s peripheral vision and depth perception.

AirPro News Analysis

The speed at which the U.S. government admitted liability, less than a year after the incident, is notable. In many aviation disasters involving state actors, litigation can drag on for years over jurisdictional and immunity claims. We assess that this early admission is likely a strategic decision to limit the scope of discovery. By conceding fault now, the government may prevent a prolonged public trial that would expose granular, potentially sensitive details regarding military training operations and air traffic control systemic vulnerabilities in the nation’s capital.

Ongoing Legal Disputes with Airlines

While the government has accepted its share of the blame, the legal battle continues for the private carriers involved. American Airlines and its regional subsidiary, PSA Airlines, are also named defendants in the lawsuit. Both airlines have filed motions to dismiss the complaints against them, arguing that the sole responsibility lies with the government entities that controlled the airspace and the military aircraft.

Attorneys for the victims’ families, however, argue that the airlines failed to mitigate known risks associated with flying into the highly congested airspace around Washington, D.C. The outcome of these motions will determine whether the airlines must also pay damages or if the U.S. taxpayers will bear the full financial burden of the settlements.

Frequently Asked Questions

When is the final NTSB report expected?
The National Transportation Safety Board is expected to release its final report on the probable cause of the accident in early 2026.

What safety changes have been made since the crash?
The FAA has permanently closed the specific helicopter route (Route 4) involved in the crash. Additionally, regulators have prohibited the simultaneous use of certain runways at DCA during urgent helicopter missions and restricted visual separation procedures for helicopters.

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How many people died in the accident?
The crash resulted in 67 total fatalities: 60 passengers and 4 crew members on the regional jet, and 3 crew members on the Army helicopter.

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Photo Credit: NBC News

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Regulations & Safety

Why Proper Maintenance of Aircraft Wheel Bearings Is Critical for Safety

Airbus technical data shows aircraft wheel bearing failures result mainly from maintenance errors. Proper torque, cleaning, and lubrication are essential for safety.

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This article is based on technical guidance and safety publications from Airbus and additional industry safety reports.

The Hidden Danger in the Gear: Why Wheel Bearing Maintenance Cannot Be Rushed

Aircraft wheel bearings are among the most stressed components in aviation. Despite supporting loads of up to 500 tons and enduring temperature shifts from sub-zero cruising altitudes to the intense heat of braking, they remain largely hidden from view. According to a technical safety publication by Airbus, the failure of these components is rarely due to design flaws but is almost exclusively the result of improper maintenance.

At AirPro News, we have reviewed the latest guidance from Airbus’s “Safety First” initiative, alongside broader industry data, to understand why these small components continue to pose significant risks to flight safety. The consensus across manufacturers and regulators is clear: strict adherence to maintenance protocols is the only barrier against catastrophic failure.

The Mechanics of Failure

The primary cause of bearing failure, as identified by Airbus and industry data, is maintenance error. Specifically, the issues revolve around incorrect torque application, contamination, and inadequate lubrication. Aircraft use “tapered roller bearings” designed to handle both the weight of the aircraft (radial loads) and side-to-side movement (axial loads). When these bearings are mistreated, the consequences are severe.

The “Double-Torque” Procedure

One of the most critical and frequently misunderstood aspects of wheel installation is the torque procedure. According to Airbus technical guidelines, a specific “double-torque” method is required to ensure the bearings are seated correctly without being overtightened.

The process generally involves three distinct steps:

  1. Initial Seating: A high torque is applied while rotating the wheel. This step is crucial to “seat” the rollers and eliminate free play.
  2. Back-off: The nut is loosened to relieve stress on the components.
  3. Final Torque: A specific, lower torque is applied to set the correct “preload.”

The risk lies in the details. If a technician skips rotating the wheel during the initial torque application, the rollers may not align, leading to a false torque reading. This can result in loose bearings that vibrate and wear prematurely, or tight bearings that overheat and seize.

Real-World Consequences

The failure of a wheel bearing is not merely a maintenance inconvenience; it is a direct threat to the structural integrity of the aircraft. When a bearing seizes, it can generate enough friction to weld components together or shear axles, leading to wheel separation.

Airbus and TSB Canada Data

In one notable case study highlighted by Airbus, an A330 aircraft lost a wheel during takeoff. The investigation revealed that a seized bearing destroyed the axle nut, allowing the wheel to eject from the landing gear. This is not an isolated event. Data from the Transportation Safety Board of Canada (TSB) underscores the prevalence of this issue.

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“A study revealed 67 occurrences of nosewheel bearing failures on A319/A320/A321 aircraft worldwide between 1989 and 2004.”

— TSB Canada Data

Cross-Fleet Vulnerabilities

While the Airbus “Safety First” article focuses on their fleet, the physics of bearing failure applies universally. Reports from the UK Air Accidents Investigation Branch (AAIB) detail an incident involving a Boeing 737-800 where a seized bearing generated sufficient heat to compromise the chrome plating and base metal of the axle, causing it to fracture.

Similarly, an investigation into an Embraer EMB-145 (registration G-EMBP) found that moisture contamination due to improper seal installation led to severe overheating and subsequent axle failure. These incidents confirm that regardless of the airframe manufacturer, the root causes, contamination and torque errors, remain consistent.

Industry Best Practices

To mitigate these risks, manufacturers and technical organizations like Timken have established “gold standard” maintenance manuals. The following practices are considered non-negotiable for airworthiness:

  • Cleaning is Critical: Technicians must remove all old grease. Old lubricant can hide “spalling” (flaking metal) or heat discoloration (blue or straw-colored metal), which are early signs of fatigue and overheating.
  • Pressure Packing: Hand-packing grease is often insufficient. Industry standards recommend using pressure packing tools to ensure grease penetrates behind the cage where the rollers contact the race.
  • Grease Compatibility: Mixing clay-based and lithium-based greases can cause the mixture to break down, destroying its lubricating properties. Lithium-based grease is generally preferred for its water-repelling capabilities.
  • Wheel Rotation: As emphasized in the torque procedure, the wheel must be rotated while tightening the nut to align the rollers.

AirPro News Analysis

The Human Factor in Maintenance

While the technical steps are well-documented, we believe the persistence of these failures points to a human factors challenge. Wheel bearings are “hidden” components; unlike a tire that shows visible tread wear, a bearing often looks pristine until the moment it fails catastrophically. This lack of visual feedback places an immense burden on the maintenance process itself.

In high-pressure line maintenance environments, the requirement to rotate a wheel while torquing it, a process that relies on “feel” and patience, can be a trap for technicians rushing to clear an aircraft for departure. The data suggests that safety in this domain relies less on new technology and more on a disciplined adherence to the basics: cleaning, inspecting, and respecting the torque procedure.

Regulatory Context

Regulators continue to monitor these risks closely. The FAA has previously issued Airworthiness Directives, such as AD 2012-10-09 for Cessna 560XL aircraft, following reports of brake failure linked to loose bearing components. Furthermore, the FAA Safety Team (FAASTeam) frequently issues alerts reminding operators that “grease is not just grease,” warning that using unapproved substitutes constitutes a violation of FAR Part 43.

Whether operating a General Aviation aircraft or a commercial airliner, the message from the industry is uniform: take care of the wheel bearings, and they will carry the load.

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Photo Credit: Airbus

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