Our roundup of the main aerospace and defense stories making the news this week.

With the appointment of Willie Walsh as IndiGo's next CEO, Flight Friday looks at the Indian carrier's number of monthly flights over the last two years.

Pratt’s redesign addresses risks revealed in three in-service events in 2018-2020 in which a fan blade fractured due to fatigue cracking.

South American carriers are looking to engine maintenance agreements to help mitigate the impact of rising fuel costs and an uncertain demand outlook.

As NASA begins X-59 envelope expansion and Boom develops its first high speed engine, civil supersonic activity is at its highest since the retirement of Concorde in 2003. Editors discuss the latest developments and the challenges that lie ahead.

Malaysia Aviation Group is pushing ahead with its campaign to place a long-range widebody replacement order this year.

Incheon International Airport (ICN) has opened what it describes as the world’s largest hydrogen refueling center.

ATR’s continuing struggles on the final assembly line, largely due to late supplier deliveries, have consequences for the airframer's engineering office.