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 Mail transport (tkm) by national air transport enterprises
Characteristic Description
Name Mail transport (tkm) by national air transport enterprises; Annual
Regularity Annual
Source Statistics Portugal, Aircraft transport enterprises survey
First available period 2010
Last available period 2019
Dimensions
  • Data reference period
  • Geographic localization
Concepts
  • TONNE-KILOMETER OF CARRIED MAIL:  Unit of measurement representing the paid air transport of one tonne of mail over one kilometre.
  • COMMERCIAL AIR TRANSPORT OPERATOR:  Company holding a valid licence for commercial air transport (scheduled or non-scheduled services), available for paid public transport of passengers, cargo or mail.
  • REFERENCE PERIOD:  The length of time for which data are collected, e.g. a specific day, month or year.
Measure unit (symbol) Tonne-kilometre (tkm)
Power of 10  6
Observations
Last update date 21/04/2021


information presented in 6/5/2021