mlns='http://www.w3.org/1999/xhtml'>

A roundup of most viewed content in May.
Aviation Week Network
Aerospace Digest: Most Viewed Content
Top civil, military and space this month
 
Steve Trimble

The settlement allows Honeywell to pay $8 million in fines over a two-year period, plus another $5 million on compliance measures.
 
Guy Norris

GE Aviation has completed initial test runs of the first full-scale XA100 three-stream adaptive combat engine, marking the start of a new chapter in U.S. military turbine engine development and paving the way for a new generation of variable cycle powerplants for sixth generation fighters.
 
The bids are in for Europe’s largest fighter procurement in a decade, and all five contenders remain in the race. 
 
Graham Warwick

Validating the quiet supersonic performance of NASA’s X-59 QueSST low-boom flight demonstrator will require precise measurement of the shock waves generated by the aircraft and how they propagate through the atmosphere to the ground.
 
Jen DiMascio

A look back at Alan Shepard’s flight to suborbital space—a first for the U.S.
 
Will we ever be able to trust an autonomous aircraft? Mark Skoog, the principal investigator for autonomy at NASA Armstrong Flight Research Center, joins Aviation Week’s Graham Warwick and Guy Norris to discuss an effort to enable autonomous aircraft to be programmed with internal values and rules of behavior to ensure they are safe.
 
Craig Caffrey

Though four trainers are emerging as leaders, competition in this segment is fierce.
 
Following Aerion's announcement on May 21 confirming that it is ceasing operations of its AS2 business jet program, we take a look back through the Aviation Week article archives to explore the developments over the years.
 
Jen DiMascio

In a long-running drama, the U.S. Air Force and Congress have been at odds over which aircraft to retire and which ones to keep. Though the Biden administration has yet to release its budget, the Air Force’s hit list already includes the KC-10 and KC-135 tankers as well as the RQ-4 Global Hawk UAV.
 
Guy Norris

Honeywell and Japan-based electric automotive specialist Denso have formed an alliance to develop electric propulsion systems for urban air mobility vehicles.
 
Graham Warwick

The list keeps getting longer as more and more electric-powered aircraft development programs target the general aviation market. Ranging from two-seat trainers to 19-seat regional aircraft, here is a look at some of those programs.
 
Having operated a relatively small fleet of Il-76s in the 1990s, Beijing made repeated attempts to expand the fleet through the early 2000s—with mixed success—while the development of an indigenous strategic airlifter was pursued.
 
UPCOMING WEBINARS
 
June 11, 2021 | 10:00 EDT / 15:00 BST / 16:00 CEST
 
FEATURED EVENT
 
Celebrate the people, programs and technologies that are changing the face of aerospace and aviation.

On October 18, Laureates will be awarded to winners in each category that embody the trailblazing spirit of innovation and transformation in Defense, Space, Commercial Aviation and Business Aviation.