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When does the cruise or en-route phase commence?

  • A

    When 200 ft AGL have reached and VY has established.

  • B

    At 1000 ft AGL.

  • C

    When 200 ft AGL have reached and VTOSS has established.

  • D

    At the Top of Climb.

Refer to figure.
The phases of flight are the following:

  • Take-off
  • Climb
  • Cruise
  • Descent
  • Landing

According to ICAO - Annex 6 - Part III:

  • The En-route (cruise) Phase is that part of the flight from the end of the take-off and initial climb phase to the commencement of the approach and landing phase.

Therefore, the en-route (cruise) phase starts after the climb, at the Top of Climb (TOC) and finishes at the Top of Descent (TOD).

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