CPL/ATPL General Navigation | Critical Point (CP)| Point of Equal Time(PET)| EquiTime Point(ETP)|PNR

Hello everyone,

I'm finally back with a new video after a loooonnggg break.

This topic is something many of you have been asking for. I hope it helps you understand the CP and PNR concepts better.

Originally, I planned to make one video covering both CP and PNR topics, but it ended up being too long. So, I've split it into two parts. This first part covers the whole concept and numericals of Critical Point/ Point of Equi-Time/ Equi-Time Point along with basics about both, the Critical Point and Point of No Return.

I've discussed important numericals that are frequently encountered in DGCA examinations. Be sure to practice similar questions from Keith Williams' question bank as well.

The second part to this video is coming out super soon, it will cover the Point of No Return (PNR) topic.

Questions covered in this video:-

1. An a/c is flying at a TAS of 300 kts over water between 2 airfields 500 nm apart. What is the distance and time required from the departure airfield to the equal time point (ETP) if the wind component is 60 kts head?

2. What is the distance to B from the critical point given the following data?
Distance A-B is 360 nm. TAS is 180 kts. Wind component A-B is -15 kts. Wind component B-A is +15 kts.

3. An aircraft departs place A on a track of 135° at 200 kts TAS for place B 600 nms away. W/v 080/35. Calculate dCP AND tCP in case of engine failure with reduced TAS of 180 kts.

Do watch the full video!

Feel free to hit me up if you have any doubts or questions.
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