In This Issue
Summer Bridge Issue on Aeronautics
June 26, 2020 Volume 50 Issue 2
The articles in this issue present the scope of progress and possibility in modern aviation. Challenges are being addressed through innovative developments that will support and enhance air travel in the decades to come.
Articles In This Issue
  • Friday, June 26, 2020
    AuthorJohn L. Anderson

    In H.G. Wells’ War of the Worlds, the narrator dis­covers that the invading Martians have been “slain by the…disease bacteria against which their systems were ­unprepared;…slain, after all man’s devices had failed, by the humblest things that God, in his ...

  • Friday, June 26, 2020
    AuthorRonald M. Latanision

    It is not often that both the NAE president and executive officer appear simultaneously in an issue of The Bridge, but this is just such an occasion.

    In his President’s Perspective, John Anderson writes about the engineering response to covid-19 and the importance of international coalition ...

  • Friday, June 26, 2020
    AuthorAlton D. Romig Jr. and John J. Tracy

    Aeronautics: Back to the Future

    It has been 16 years since The Bridge last focused on aviation (fall 2004). Since then aviation has witnessed significant advances in propulsion, structure, and guidance, navigation, and control, to name just a few areas. There is even renewed interest and ...

  • Friday, June 26, 2020
    AuthorAlan H. Epstein

    This is an exciting time of both opportunities and challenges for civil aeronautics. Opportunities include dramatic reductions in aircraft noise and the development of drones of all sizes and shapes, air taxis, and low-boom supersonic travel. Challenges include the need for new technologies and ...

  • Thursday, June 25, 2020
    AuthorJean J. Botti

    According to two recent reports (ATAG 2018; IHLG 2019), the aviation sector represents a major economic factor for the global economy: its economic value is estimated at $2.7 trillion and it generates 65.5 million jobs. In 2018 airlines carried more than 4.3 billion passengers on scheduled flights, ...

  • Thursday, June 25, 2020
    AuthorJohn S. Langford and David K. Hall

    The past decade has seen the number of electric and hybrid electric cars sold increase from about zero to over 2 million per year at an annualized growth rate of over 60 percent (Hertzke et al. 2019). Is a similar revolution in store for aircraft? The rise of the flygskam (flight shaming) movement ...

  • Thursday, June 25, 2020
    AuthorRaymond Russell, Lourdes Maurice, and Rachel Devine

    Nearly two decades ago the age of supersonic commercial aviation appeared to come to a close. The Anglo-French Concorde, which flew p­assengers at Mach 2 for 27 years, was retired in 2003.

    Concorde was a technological marvel but plagued by high operating costs. The limited production run ...

  • Thursday, June 25, 2020
    AuthorB. John Garrick and Ali Mosleh

    Increased dependence on autonomous systems is a significant driver for advocating more rigorous proactive risk analyses (Ramos et al. 2019) of the safety of air travel. Modern aircraft alert systems represent a target area for quantitative risk assessments (QRAs). Examples of such systems are the ...

  • Thursday, June 25, 2020
    AuthorJohn-Paul B. Clarke and Claire J. Tomlin

    In aeronautics, the word “autonomy” engenders visions of a future in which aircraft are able and allowed to operate in civil airspace independent of human control or supervision—without pilots or ground-based operators/supervisors, interacting with air traffic controllers (which ...

  • Thursday, June 25, 2020
    AuthorElizabeth A. Hoppe


    The discipline known as ethics concerns the study of what one ought to do. However, simply because a person knows which action is morally right does not necessarily mean s/he will actually do it. Time constraints, ­economic pressure, and human factors can all contribute to poor ethical ...

  • Thursday, June 25, 2020
    AuthorNicholas C. Margiewicz

    Renewables are in the limelight of economic models and there is much discussion about making the internal combustion engine (ICE) obsolete, perhaps with power sources such as batteries and hydrogen fuel cells. Yet ICE replacement may not be necessary.

    The source of most transportation emissions is ...

  • Thursday, June 25, 2020
    AuthorLisa Eastep

    An Interview with . . .Lisa Eastep, Metallurgist and Roller Derby Competitor

    RON LATANISION (RML): Lisa, it’s good to talk with you, what with the disruptions of the coronavirus pandemic. How are things in Rhode Island?

    LISA EASTEP: The state started opening this week.

    RML: What does that ...

  • Thursday, June 25, 2020
    AuthorGuru Madhavan

    Being at sea is perilous. Any safety feature on a ship can backfire. Lew had known that well since his Navy days—he spent long deployments in the Western Pacific during the Vietnam conflict. Later, he worked in corporate public relations building a career in crisis management. Then he found ...