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 unreliable. Until the data shows something they like.  Regardless of your view on this data source, remains the most granular source of its kind. Here’s an example of we use it.

Subscribers have access to more models that utilize this source. They include:

  1. Margin Forecast
  2. Operating Economics 1 & 2
  3. Model
  4. Airline Op
  5. MAX vs NEO
  6. Fuel Cost Model
  7. Engine Model
  8. Airline Expenses
  9. 737 Metrics
  10. Regional Airline Economics
  11. Major Airline Economics
  12. Flight Op

Would you like to take a look? Get in touch.  (Academics journalists get free access)

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