What we know about Lilium’s eVTOL batteries so far

https://evtol.com/features/lilium-evtol-batteries-what-we-know/ 

MiG-35 multirole fighter is undergoing its final state trials

http://www.ruaviation.com/news/2021/5/11/16179/ 

Rostec to present modernized Ka-32A11M at MAKS-2021 air show

http://www.ruaviation.com/news/2021/5/12/16189/ 

Next-gen fuel for regional operators ‘will take time’: ATR

https://www.flightglobal.com/programmes/next-gen-fuel-for-regional-operators-will-take-time-atr/143708.article 

Confident Airbus restarts work on new Toulouse A321neo production line

https://www.flightglobal.com/aerospace/confident-airbus-restarts-work-on-new-toulouse-a321neo-production-line/143698.article 

Boeing's 737 Max aircraft under scrutiny again

https://www.bbc.co.uk/news/business-57028687 

OUIGO French low-cost high-speed train launched first Spanish line between Madrid and Barcelona

https://www.aviation24.be/railways/ouigo-french-low-cost-high-speed-train-launched-first-spanish-line-between-madrid-and-barcelona/

Surf Life Saving Qld invests in inflatable-dropping drone firm

https://australianaviation.com.au/2021/05/surf-life-saving-qld-invests-in-inflatable-dropping-drone-firm/ 

Wright Electric Advances Plans For Electric Airliner

https://www.ainonline.com/aviation-news/air-transport/2021-05-10/wright-electric-advances-plans-electric-airliner 

Munich Airport Greenlights Green Fuel

https://www.ainonline.com/aviation-news/air-transport/2021-05-11/munich-airport-greenlights-green-fuel 

"Reality Index" cuts through the eVTOL air taxi hype

https://newatlas.com/aircraft/evtol-air-taxi-aam-reality-index-sergio-cecutta/ 

World first: Oblique wave detonation engine may unlock Mach 17 aircraft

https://newatlas.com/aircraft/oblique-wave-detonation-engine-hypersonic-ucf/