Steven Airspace

Flight Simulator Airspace Information

Yes, we only just fly a simulation but it does no harm if we learn how to calculate the enroute time that are very useful when we gonna fill the flight plan. Okay, here we will discuss how do we calculate our Flight EET (Estimated Enroute Time) to our destination. Thanks to Danang Pariadji who gives the formula.

First, we must determine the aircraft’s True Air Speed or TAS. There’s several ways to calculate the TAS, but i will only use two formula.

• Take a half of your altitude and add it to your Indicated air speed. For example: 280 Knot IAS at FL350. Then 350 / 2 = 175 –> 280 + 175 = 455 Knot TAS.
• Divide Your altitude by 1,000 and multiply by 5. And Add the outcome to your indicated air speed. For Example: 35,000 / 1,000 = 35 * 5 = 175. Then 175 + 280 = 455 Knot TAS.

Voila! Now we have our True Air Speed. Now here is the formula to calculate our Estimated Enroute Time…

(Range / TAS) * 60 + 20. For Example: We take place from WIII (Soekarno-Hatta Int’l Airport – Jakarta) to WARR (Juanda Int’l Airport – Surabaya). The distance between these two airport is: 375 nm, Our TAS is 455 at FL350. Now we have all required data…. So the calculation is: (375 / 455) *60 +20 = 69.45 minutes or 1 hour 10 minutes.

This time estimation will be influenced by many factors such as wind factors, etc. And of course it depends what type of aircraft that you will use. Example above is using Boeing 737 classic. And it’s for Simulation use only

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I have posted the PACOTS Tutorial several times ago. Thanks to Mr. Adhika Lee who have made these tutorial. Now Lets try to fly it. I will write this in a very simple way without any images.

How to enter the PACOTS coordinate to Airbus FMGC?
Okay, I will use the old PACOTS Route that I’ve used for my flight from VHHH to PHNL. The Routes are:

OCEAN V2 ELATO A1 APU G587 ROBIN R583 LEKOS M750 MJE PETAL OTR14 ACQUA OTR15 MORAY 36N150E 36N160E 28N170E 25N180E 22N170W HOOPA KATHS OPACA

I assume that you have already know and set your FMGC with the active runway and the departure (SID). The steps is very simple. Check it out:

• You will depart from VHHH Hongkong and follow the route as usual.
• Now mark this: You will exit your usual route at MORAY. Now…click at MORAY on your Left side FMGC keys.
• The first PACOTS route is 36N150E. Now type on the scratchpad 360000N/1500000E (Enter the number and add four zeroes behind it) and enter this to “NEXT WPT” on the Right key. Done!
• You will see LL01 as your first PACOTS fix below MORAY intersection on F-PLAN page.

Next you can proceed by yourself by entering next PACOTS fix in the same way. And you will see LL02, LL03, and so on and so on… for the next PACOTS fix that you’ve made. After you reach the end of these PACOTS route you can enter HOOPA KATHS and OPACA. Just enter them directly without Airways. HOOPA is your entry at Honolulu airspace, and from here you can resume by your own navigation captain and happy landing at Honolulu Airport!

I hope you can understand with my simple tutorial. Any Question please write on the comments field.

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