Hans Chr. Hollen
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Hans Chr. Hollen
@hchollen.bsky.social
Pilot, IT, Farmer
Nordlys her til aften 🤩
January 19, 2026 at 9:30 PM
Reposted by Hans Chr. Hollen
The FAA has published its emergency order instructing airlines to reduce flights at 40 “high impact” airports. Here are the affected airports and how the schedule reductions will increase over 7 days, potentially impacting thousands of flights per day. www.flightradar24.com/blog/aviatio...
November 7, 2025 at 4:59 AM
Reposted by Hans Chr. Hollen
Seems to be verified info of an AirACT (operating for Emirates Cargo) 747-400F in the water at HKG after a possible vehicle collision.
Photo of the cargo plane that crashed into a ground vehicle and plunged into the sea at Hong Kong International Airport in China. All crew members rescued, 2 vehicle occupants missing.
October 19, 2025 at 10:31 PM
Reposted by Hans Chr. Hollen
Very useful Ukraine Fact Sheet from ISW (detailed version in pdf in the link):
February 22, 2025 at 8:55 AM
Reposted by Hans Chr. Hollen
The correlation between distance from Moscow and military aid to Ukraine / #defence spending is quite strong.

This and more in my latest for @economist.com on divisions within Europe. www.economist.com/finance-and-...
January 9, 2025 at 12:44 PM
Reposted by Hans Chr. Hollen
"Contrails, formed by aircraft engines, are a major component of aviation’s impact on anthropogenic climate change. [...] This study demonstrates that per-flight detectable contrail avoidance is feasible in commercial aviation." www.nature.com/articles/s44...
Feasibility test of per-flight contrail avoidance in commercial aviation - Communications Engineering
Vapour trails (contrails) from aircraft make a substantial contribution to aviation’s climate impact. Here we execute a per-flight contrail avoidance feasibility test through altitude adjustments base...
www.nature.com
December 21, 2024 at 6:23 PM
Reposted by Hans Chr. Hollen
Dear pilots:
If you genuinely want to oppose this, the way to tackle this is not to fight against airframers. They build the common denominator of:
(A) what technology makes possible,
(B) what airlines demand, and
(C) what regulators allow.

...
November 29, 2024 at 2:12 AM
Reposted by Hans Chr. Hollen
Emissionsarme Luftfahrt, ein kleiner Thread:

Die Lilium-Insolvenz dürfte fast jede:r mitbekommen haben, auch, dass der Lilium-Jet als wichtiger Schritt für eine emissionsarme Fliegerei dargestellt wurde.

Wären wir ohne dieses Flugtaxi also blank? Kurz: Nö.
November 22, 2024 at 9:57 AM
Our 3 year old lab in its natural habitat 😅
November 15, 2024 at 9:28 PM