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Constant Descent Approach Procedures

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  • Commercial Member

Mike Ray's website has a document for d/l that relates to CDAP for the 75/76... Check it out at http://www.utem.com/downloads/767CDAPPDF.zipMy question: is CDAP being used now?Daryl ShuttleworthDS 3339http://vatsim.pilotmedia.fi/statusindicato...tor=OD1&a=a.jpg

The SUPPORT FORUM for Level-D Simulations products: http://www.leveldsim.com/forums

LVLDF1.gif

Daryl,CDAP are in use in the UK, and have been for a while.All UK charts from www.ais.org.uk have CDAP profiles on them. Best way is to look at a VOR DME and an NDB Chart. On the UK charts, the Final Approach Segment is a continous line, similar to an ILS GP profile. If the final approach segment is stepped, then it is using the old dive and drive method.HTH

  • Author
  • Commercial Member

Thanks Mark.So, looking at the Glasgow NDB(L)/DME RWY 05...the CDAP numbers are the RECOMMENDED PROFILE / RATE OF DESCENT table at the bottom of the chart.Daryl ShuttleworthDS 3339http://vatsim.pilotmedia.fi/statusindicato...tor=OD1&a=a.jpg

The SUPPORT FORUM for Level-D Simulations products: http://www.leveldsim.com/forums

LVLDF1.gif

Yep, that's how a CDP approach profile looks.At Glasgow you would be vectored onto say a 12 mile final with you at 3000ft. You would then be cleared to descend on the procedure.At 6.4 DME GOW you should be passing 2250ft. Look at your GS on the ND, and then use the rate of descent that is closest match for your GS to maintain the recommended profile.Some airlines allow you to fly VOR and NDB CDAP on VNAV.

Hi,CDAP is also used in Finland, and in the nordic countries generally.It is the preferred method of NPAs.Tero

PPL(A)

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