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History of Commercial Pilot Training
A data set that lists the history of commercial pilot training (since 1970) in terms of hours of training (Classroom, Simulator, Live Flight) and requirements (Qualifications).
Thank you for contacting Data.gov,
Data.gov primarily displays U.S. Government data submitted by federal agencies. Information about "changes in pilot training" will be available if a U.S. federal agency has submitted such information in the form of a dataset to Data.gov.
You may contact: Tim.Perez@faa.gov, Federal Aviation Administration open data contact and Daniel.Morgan@dot.gov, Department of Transportation open data lead for recommendations.
The following link may also support your search: https://www.faa.gov/training_testing/training/fits/