EASA NAV(A)intermediate
Arrange the following steps for correcting flight path to regain track at the destination in the correct chronological order from first to last: - Apply the total correction angle to the current heading to determine the new heading - Determine distance off track from a pinpoint fix - Turn the aircraft onto the newly calculated heading toward the destination - Calculate the total correction angle (Track Error plus Closing Angle)
Answer
Determine distance off track from a pinpoint fix, Calculate the total correction angle (Track Error plus Closing Angle), Apply the total correction angle to the current heading to determine the new heading, Turn the aircraft onto the newly calculated heading toward the destination
Explanation
### Why this is right
First find the angular error accumulated over the completed distance. Next find the angle needed to close the displacement over the remaining distance. Only after both are known can you add them and apply the correction toward the planned track.
### The order
1. Calculate track error from displacement and distance flown, because this uses the completed route segment.
2. Calculate closing angle from displacement and distance remaining, because this uses the future intercept distance.
3. Add the angles to obtain the total correction for destination recovery.
4. Turn toward the planned track by that total correction.
### Terms
- **Track error**: An estimated angular departure from the intended route.
- **Closing angle**: An angle used to reach the intended route at a chosen point.
### Remember
Calculate both components before combining them.
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