Another startup has emerged to join the growing number of companies targeting the unmanned air logistics market.

EASA has published its final special condition for the certification of electric and hybrid propulsion systems for aircraft.

Flight tests of an aircraft converted to electric propulsion from piston power have shown noise energy levels at least 100 times lower, highlighting the potential for electric aircraft to reduce airport noise pollution.

The A350 will replace an A340-600 previously used to measure trace elements and greenhouse gases in the tropopause. 

Oil and gas giant Shell has invested in sustainable aviation fuel producer LanzaJet, joining backers including British Airways and All Nippon Airways. 

Hydrogen propulsion pioneer ZeroAvia has secured an investment from British Airways (BA) and kicked off development of a fuel-cell power train for 50-seat-plus regional aircraft. 

The UK Ordnance Survey’s Astigan high-altitude pseudo-satellite project has been ended after the initiative was unable to secure a suitable strategic partner.

Supersonic business jet developer Aerion has released the first image of a planned follow-on airliner concept designed for entry-into-service around the end of the decade which will cruise at higher Mach cruise numbers closer to the hypersonic region.