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Forum: Tech Log

9th Apr 2016, 10:35

Replies: 22

Precise calculation for VDP in nautical miles.

Views: 8,200

Posted By Dadanawa

VDP for steep approach?

Whats the VDP here?

Sometimes HAT/300 will not work.

https://lh3.googleusercontent.com/-30RWzHbbR68/VwjatawMQeI/AAAAAAAABNU/bp256rle7fIw8vCnGRI0Ub5FJlDcQ2C2wCCo/I-Ic42/image.jpeg

Forum: Tech Log

8th Apr 2016, 11:08

Replies: 22

Precise calculation for VDP in nautical miles.

Views: 8,200

Posted By Dadanawa

CDFA Spreadsheet

I use this when the information is not provided on the chart.

https://lh3.googleusercontent.com/-pdMaG9Cg1rE/Vo529ykyHiI/AAAAAAAABG4/paBnKulDycYLwtuDI410NQ4190Tbsd1rgCCo/I-Ic42/IMG_1325.JPG

Forum: Tech Log

8th Apr 2016, 10:55

Replies: 22

Precise calculation for VDP in nautical miles.

Views: 8,200

Posted By Dadanawa

I agree with all. Below MDH, of course PAPIs,...

I agree with all. Below MDH, of course PAPIs, VASIS, visual, etc.

Just for parts of the world that do not have the height/distance table, or on the abscence of VNAV, you need to have this...

Forum: Tech Log

8th Apr 2016, 10:47

Replies: 22

Precise calculation for VDP in nautical miles.

Views: 8,200

Posted By Dadanawa

Hi Denti. For example, LTAL LOC 18 in Kastamonu,...

Hi Denti. For example, LTAL LOC 18 in Kastamonu, Turkey. Using Jeppesen, not LIDO.

Forum: Tech Log

5th Apr 2016, 18:06

Replies: 22

Precise calculation for VDP in nautical miles.

Views: 8,200

Posted By Dadanawa

Hi Actus, I guess it becomes important when...

Hi Actus,

I guess it becomes important when the VDP is before the missed approach point. Also some countries do not have the height/distance table. For that, I use a spreadsheet program.

Forum: Tech Log

5th Apr 2016, 02:17

Replies: 22

Precise calculation for VDP in nautical miles.

Views: 8,200

Posted By Dadanawa

Precise calculation for VDP in nautical miles.

This is how I calculate VDP in nm.

VDP in nm = (MDH-TCH) / (106.13 x des. angle)

MDH = Minimum Descent Height
TCH = Threshold Crossing Height

From the diagram below. If using a calculator: ...

Showing results 1 to 6 of 6