Articles in issue Zero Avia reveals a few details of hydrogen-electric propulsion, Issue 139 Dec 2021/Jan 2022 ISSUE no.139 View article Active jetliner pax fleet increases by 200 per month, Issue 139 Dec 2021/Jan 2022 ISSUE no.139 View article Airline schedules & fleets approach pre-Covid levels, Issue 139 Dec 2021/Jan 2022 ISSUE no.139 View article US 5G rollout near US airports - a safety issue? Issue 139 Dec 2021/Jan 2022 ISSUE no.139 View article New generation flightdeck connectivity to reduce ACARS costs, Issue 139 Dec 2021/Jan 2022 ISSUE no.139 View article APU maintenance management and the aftermarket, Issue 139 Dec 2021/Jan 2022 ISSUE no.139 View article The practical use of the Spec 2500 standard in aircraft transitions, Issue 139 Dec 2021/Jan 2022 ISSUE no.139 View article A trifecta of cargo conversions, Issue 139 Dec 2021/Jan 2022 ISSUE no.139 View article New freighters: A330P2F & 777-8F, Issue 139 Dec 2021/Jan 2022 ISSUE no.139 View article The gold rush for 15-25 tonne freighters, Issue 139 Dec 2021/Jan 2022 ISSUE no.139 View article