Answer to Last Week’s (May 24) AVsavvy Question

> | May 31, 2013 | 0 Comments
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In last Friday’s AVsavvy question, we showed you a flight schedule and some airport information and asked you to find the error.

IMPORTANT: If you haven’t yet participated, YOU CAN STILL TURN BACK NOW AND TEST YOUR SKILLS.

Below is the answer and explanation. Thank you to everyone who participated. We are happy to report a majority of you got it right. J

Answer 1. There will be no difference. All the data will be the same if you use the same destination for both.
Incorrect. ETP and ETOP calculations are different as ETP uses fuel burn data along with forecasted winds and temperatures, while ETOPs only uses true airspeed and time in still air conditions.

Answer 2. ETP and ETOP calculations are the same since they both use fuel burn, wind, and temperature data.
Incorrect. ETP and ETOP calculations are different as ETP uses fuel burn data along with forecasted winds and temperatures, while ETOPs only uses true airspeed and time in still air conditions.

Answer 3. ETP and ETOPs calculations are different because ETPs use fuel burn data as well as forecasted winds and temperatures, where ETOPs only uses true airspeed and time in still air conditions.
Correct. ETP and ETOP calculations are different as ETP uses fuel burn data along with forecasted winds and temperatures, while ETOPs only uses true airspeed and time in still air conditions.

Answer 4. There will be no difference so long as the route is ETOPs compliant.
Incorrect. ETP and ETOP calculations are different as ETP uses fuel burn data along with forecasted winds and temperatures, while ETOPs only uses true airspeed and time in still air conditions.

Questions about this week’s AVsavvy question? Ask us in the comments area below.

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