Major Air Carriers Key Financial and Operating Statistics Monthly Survey
Summary of changes
Activity on this program started: 1986
Reference period of change - January 2017
Instrument design - New Collection Method: An electronic questionnaire (EQ) replaced the paper questionnaire with the January 2017 reference month.
Reduced Content: In an effort to help reduce response burden, the following content was removed from the Monthly Civil Aviation Survey beginning in January 2017
Enplaned goods, goods tonne-kilometres and available tonne-kilometres for charter services
Revenue for scheduled and charter services
Total operating expenses, interest expenses and interest income
Respondents are no longer asked to report for year to date data
Estimation - Imputation
Estimates are produced using the Generalized Edit and Imputation System (Banff) and the Generalized Estimation System (G-Est). The survey uses G-Est to produce its domain estimates and quality indicators.
A generalized system (G-Confid) is used to assess and apply disclosure control to the tabular estimates.
Reference period of change - January 2015
Starting January 2015, aggregate data are released for the entire population. Before January 2015, results for some carriers were published with their consent.
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