Infrastructure considerations for the future of urban air mobility

Avatar for David ZieglerBy David Ziegler | May 18, 2022

Estimated reading time 6 minutes, 3 seconds.

If the emerging urban air mobility (UAM) industry falters, it won’t be because the technology isn’t ready or that regulators aren’t building a framework to ensure that eVTOL aircraft in development won’t meet the highest safety standards. The future of UAM will depend on having the right infrastructure to support operations.

Dassault Systèmes infrastructure
David Ziegler, vice president of aerospace and defense at Dassault Systèmes, believes the future success of urban air mobility will depend on having the right infrastructure to support operations. Dassault Systèmes Image

The impetus is two-fold: first, aviation regulators on both sides of the Atlantic expect the first eVTOL aircraft on-demand rideshare services to start operations by 2024, with the first designs certified next year. Second, eVTOL aircraft could significantly increase air traffic in urban environments because of the noise reduction and environmental advantages they might offer compared to traditional helicopters. This will require infrastructure capable of supporting the special requirements of electrically-powered aircraft and up-tempo flight operations that also satisfies the most demanding safety concerns.

A major component of UAM will be vertiports, which could be a landing pad atop a Manhattan skyscraper — wind conditions permitting — or a parking lot in a Los Angeles suburb. They will serve as nodes in or near the heart of cities for aircraft passenger boarding, disembarkation and cargo, much as buses and shuttle vans now transport passengers between drop-off points and airports on the outskirts of large metropolitan areas.

Moreover, urban planners expect vertiports to share many of the characteristics of today’s heliports, such as designated areas for take-off and landing, parking, and various support facilities. The biggest difference between conventional heliports and airports and vertiports is that the latter will be designed to accommodate both piloted and fully autonomous aircraft designs.  

Building vertiports may require radically different approaches than those associated with today’s airports or heliports, according to Jonathan Daniels, CEO and founder of Praxis Aerospace Concepts International.

For starters, they will need to support the high degree of automation and electrification embedded in eVTOL aircraft, requiring a reliably consistent source of electrical power. Chances are that some vertiports will also be multimodal hubs, enabling passengers to seamlessly transition from one transportation mode to another.

Further, the means by which an eVTOL aircraft approaches the vertiport could be tailored to UAM operations. For example, it could evolve from today’s visual flight rules (VFR) and instrument flight rules (IFR) to “digital flight rules” that rely on both automated air-to-ground and air-to-air communications, the goal being to ensure safe separation and also prioritize aircraft to assigned landing pads in the right sequence. In addition, vertiports could be highly automated to support a high throughput of take-offs and landings.

An air traffic management system attached to vertiports may turn out to be another imperative, according to Ray Adams, chair and executive director of Urban Low-Altitude Transport Association. Without a central authority to direct air traffic, the level of passenger and aircraft congestion could pose problems for future operations.

With the start of eVTOL operations rapidly approaching, original equipment manufacturers (OEMs) are looking to regulators to develop standards for vertiports, as well as the vehicles themselves, that OEMs can incorporate into their aircraft design processes, noted vertiports product manager Torrie Meliska at Wisk Aero, which is backed by Boeing and Kitty Hawk, the aviation startup founded by Google’s Larry Page.

For example, batteries for electric vehicles are typically contained in a steel casing, making fire-suppression potentially difficult. Standardizing certain manufacturing practices and ensuring that first responders are knowledgeable and equipped to deal with eVTOL emergencies will be critical, according to Michael Gorin, program manager for emerging issues at the National Fire Protection Association.

Another key element in building successful infrastructure is a close relationship with the local municipality, since communities are capable of forcing airports, heliports — and presumably vertiports — to conform to what’s acceptable and what’s not. Jeff Hyman, CEO of Helo Holding Inc., which operates a bustling heliport in Kearney, N.J., directly across the Hudson River from Manhattan, is optimistic that the advantages of eVTOL aircraft in terms of reduced noise and pollution will alleviate possible public concerns often aimed at helicopter take-offs and landings.

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  1. Avatar for David Ziegler
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  1. It is clear that everything is unclear — fair weather, no wind ,wobbly hovering and transition is the state of the art now Joby being most developed perhaps. Foul weather nightime routine operation is going to tax or defeat the existing contenders . Several have notably small tracks and high CG with blow over propensity –made worse by fixed pitch props not allowing overspeed and rapid lift off like helis. (the ‘hovercraft’ problem of not being fixed to the ground or having effective arodynamic control at zero weight on TO is an obvious issue for safety -drift/ tip over )

  2. Interesting comments, whenever I see these types of comments I refer to history and wonder did Igor Sikorsky, Orvil & Wilbur Wright, and Chuck Yeager all get the same type of comments? While to be sure there are a number of issues to be solved I would not categorize the current evtol developers or the infrastructure being developed to support them as dreamers.
    All the Best
    Bruce Duncan

  3. Regarding the aspect of fire dangerosity created by the lithium batteries, we recommend using non-lithium batteries for EVTOL but Aluminium-Air for better security.

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