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I get some curious OFP (ATC) results on the above.

 

The approved is at even FL's, not odd for flights in that north east direction. It is as best I know it a 1 way in that direction, but behaves in the opposite (?)

 

"VMR M771 DULOP" is the route used to VHHH. If I use "VMR DCT DULOP" odd levels are filed.

 

Is this an airac problem or ....... it is unique amongst many others (could it be because the WSSS track to VMR is west of north..

 

Comments welcomed.

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Using NG AIRAC 2011 I get assigned odd flightlevels in the NE direction on M771 departing WSSS, the assigned cruise table entry (PJ) in the AIRAC looks correct for odd/even .

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Could you post the OFP where FL320 is allocated John, this could be correct within Singapore airspace based on the flight level allocation system:

 

 

 

capture_004_16102020_111338.thumb.jpg.cf5a917b4748d4daddce2fad7b913cdf.jpg

 

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320 is looking acceptable John:

 

Uni-directional for north-east bound flights from VMR to DUDIS. No PDC Flight Levels FL310, FL320, FL350, FL360, FL390, FL400 applicable. Other levels available with prior approval.

 

 

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On 10/16/2020 at 9:21 PM, srcooke said:

Could you post the OFP where FL320 is allocated John

 

stephen

 

thanks & apologies for a tardy reply (notifications not set correctly)

 

yes, the attached OFP's (light, medium, heavy ZFW's for a 77F) show how the FLAS's work ..... & extend through vietnam & chinese airspace but not into hongkong.

 

is there a way one can see such data in PFPX ...... i could not find it in a search of the respective FIR's eAIP's.

 

the approved atc's make interesting need for level changes in sim atc addons.

 

cheers

john

CPA2042 WSSS-VHHH (22 Oct 2020) #1.txt CPA2042 WSSS-VHHH (22 Oct 2020) #2.txt CPA2042 WSSS-VHHH (22 Oct 2020) #3.txt

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Hello John,

 

The available flight levels are airway specific and the installed AIRAC includes a cruise table tag that PFPX references in a table located in the program root folder. Mousing over M771 on the map you'll PJ is called in this instance but L629 that converges at DOLOX calls the standard SA entries.

 

You could check the available CT entries by accessing the User Airway Editor, BUT in this instance it has highlighted an apparent issue where the data is contained on multiple lines and PFPX apparently only reads the first, leading to a restriction in available FL range:

 

capture_001_16102020_084726.jpg.f60a2041da5ccc0a00ccacfcfd6450f9.jpg

 

As long as the AIRAC tag is correct the assigned levels should be fine.

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