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A planned route has a distance of 150 NM and a true course of 097°.The planned ground speed is 132 kt, the true heading is 101°.After 23 minutes en route a fix is overflown that is 57 NM away from the departure point and has a cross track distance from the course line of 4 NM right of course.

Calculate the actual true track and the actual ground speed flown:

  • A
    True track = 105°, ground speed = 148 kt.
  • B
    True track = 101°, ground speed = 132 kt.
  • C
    True track = 101°, ground speed = 148 kt.
  • D
    True track = 105°, ground speed = 132 kt.

TE = (distance off-track/planned track distance flown) x 60

TE = (4 / 57) x 60 = 4º R

The aircraft is right off-track 4º, TT = 097º + 4º = 101º

G/S = 57 / 23’ = 149 kts

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