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Analytics / The industry ledger

The industry ledger

Every dated fact behind the news — acquisitions, contracts, certifications, first flights, appointments — one stream, cut any way you need: by theme, country, sector, program or date. A filtered view is a URL: bookmark it and it becomes your standing query.

The industry ledger is an Analytics feature

Ask questions the news pages can’t answer — every acquisition touching one country this year, every certification in a sector, every appointment on a program’s suppliers — each answer sourced, dated and linked. A worked example runs below.

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Worked example — Corporate events across the industry, last 6 months. Analytics subscribers set every filter.
All events · H2FLY HY4 · all time

11 facts on record · showing the newest 8 — narrow the query for the rest

The table pans sideways — swipe for the rest of the columns ›
DateEventWhat happenedCompanyProgram
01/09/2023 Flight test milestone H2FLY completed four piloted flights of its HY4 demonstrator powered by liquid hydrogen, including one exceeding three hours, as part of Project HEAVEN. H2Fly GmbHAir Liquide H2FLY HY4
28/04/2023 Ground test milestone H2FLY successfully completed liquid hydrogen on-ground coupling tests between an LH2 tank and fuel cell system on its HY4 aircraft for the first time. H2Fly GmbHAir Liquide H2FLY HY4
01/11/2022 Assembly start H2FLY started mechanical integration of Air Liquide's liquid hydrogen tank into its HY4 fuel cell-powered aircraft. H2Fly GmbHAir Liquide H2FLY HY4
01/09/2022 Ground test milestone Air Liquide's liquid hydrogen tank for the HY4 passed vibration and LH2 leakage tests. H2Fly GmbHAir Liquide H2FLY HY4
12/04/2022 Flight test milestone H2FLY's HY4 hydrogen-electric aircraft set a world altitude record for hydrogen-powered passenger aircraft at 7,230 feet. H2Fly GmbH H2FLY HY4
01/01/2022 Flight test milestone H2FLY completed a cross-country hydrogen-powered passenger flight from Stuttgart to Friedrichshafen covering 77 miles, the first between two commercial airports. H2Fly GmbHFarnborough International Airshow H2FLY HY4
11/12/2020 Flight test milestone The MAHEPA consortium's Hy4 hydrogen-powered hybrid-electric aircraft successfully flew from Maribor airport in Slovenia, demonstrating fuel cell system technology. Pipistrel d.o.o.DLR - German Aerospace CenterCompact Dynamics GmbH H2FLY HY4
01/05/2020 Ground test milestone The MAHEPA Electric Drive unit developed by Compact Dynamics with Pipistrel Vertical Solutions completed all pre-flight qualification tests and was declared ready for integration. Pipistrel d.o.o.Compact Dynamics GmbH Pipistrel PantheraH2FLY HY4