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US Form 41 updated

US Form 41 updated

by Addison Schonland | May 4, 2021 | Airlines | 0 comments

That really useful dataset known as Form 41 has been updated through year-end 2020. People like to criticize this source as full of holes and unreliable. Until the data shows something they like.  Regardless of your view on this data source, it remains the most...

Comparing Flight Ops Numbers

by admin | Jul 13, 2015 | Airbus, Boeing | 3 comments

The use of DoT Form 41 data is something many analysts argue over. Is the data reliable? (Sometimes) Do the airlines report the data honestly? (We hope) Is there reason to doubt the numbers (More often than anyone likes).   Even with these caveats, Airbus and Boeing...

Form 41 – Believe it or not?

by admin | Jul 2, 2014 | Airbus, Boeing | 1 comment

The US DoT Form 41 is treated by many as something less than truthful.  Sometimes this is because the viewer does not like the data.  Other times its because airlines are known to be “creative” with how they report their numbers to DoT.   Sometimes an OEM...