Practice question

What is the difference between Transition Altitude (TA) and Transition Level (TL)?

  1. TA is set by pilot; TL is set by aircraft manufacturer
  2. TA is the altitude at or below which vertical position is controlled by QNH; TL is the lowest Flight Level above TA controlled by standard pressure 1013.25 hPa
  3. TA applies to VFR; TL applies to IFR
  4. TA is measured in meters; TL is measured in feet

Answer: B — TA is the altitude at or below which vertical position is controlled by QNH; TL is the lowest Flight Level above TA controlled by standard pressure 1013.25 hPa

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