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Crazy Climbs and Descents in middle of Flt Pln


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Hi Everyone

Since the last update of PFPX I am having issues with the flight plan asking for weird climbs and descents in the middle of the route.  I have checked and there is no route restrictions yet PPX is sometimes commanding a 6000 foot descent and less than 100 miles later commanding a climb back to the original level.

Got to say I do not like these min cost, min fuel, min time options as there does not seem to be any explanation of what these calculations are predicated on and I am not convinced some of these errors are in some way caused by this.

Can the developer or anyone else comment on the causes.

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Here you go

 

CATHAY PACIFIC FLIGHTPLAN - IFR  CPA784  B-KPB  WADD-VHHH 
--------------------------------------------------------------------------------
ALL WEIGHTS IN KILOGRAMS (KG)                                    STD 21JUN/0810Z
--------------------------------------------------------------------------------
OFP 1 - PREPARED 21JUN/0653Z BY  

CX784/CPA784        B-KPB/B777-3ER GE                     ROUTE:    WADDVHHH-MFT

DEP: WADD/DPS 09    ELEV    14 FT   CRUISE:     AE320     TTL G/C DIST:  1868 NM
ARR: VHHH/HKG 25L   ELEV    28 FT   INIT ALT:   FL340     TTL F/P DIST:  1931 NM
                                    FUEL BIAS:  0.0  %    TTL AIR DIST:  1935 NM
                                                          AVG WIND CMP: HD001 KT
ALT: ZGSZ/SZX 16    ELEV    13 FT   118 NM
--------------------------------------------------------------------------------
CONFIG      DOW  PAX   CARGO   TOTAL   ULOAD LIM             ZFW     TOW     LDW
STANDARD 167829  336   16949   51109   18745 ZFW     MAX  237683  351535  251290
                                                     PLN  218938  268681  227417
                                                     ACT  ......  ......  ......

               FUEL    CORR    ENDUR
TRIP          41264  ........  03:57 
CONT 5%        2063  ........  00:19
ALTN ZGSZ      3214  ........  00:25
FINAL RESV     3202  ........  00:30
MIN T/O       49743  ........  05:11       .....................................
EXTRA        ......  ........  .....       CAPTAINS SIGNATURE  (....)
TAXI            660  ........  00:20       
RELEASE      ......  ........  .....       I ACCEPT THIS OFP AND I AM FAMILIAR
                                           WITH THE PLANNED ROUTE AND AERODROMES


FUEL TANK CAP 145538 KG / MAX EXTRA FUEL 23873 KG LIM BY LDW
TRIP CORR FOR 4000 KG TOW INCR: +458 KG / 4000 KG TOW DECR: -516 KG
2000 FT LOWER:  -2757 KG / EET 03:57  CLB: 250/310/84  DES: 84/310/250

--------------------------------------------------------------------------------
WADD  STD 08:10Z/16:10L  ETD 08:10Z  ACT OFBL ....  EST T/O 08:30Z  ACT T/O ....
VHHH  STA 12:45Z/20:45L  ETA 12:37Z  ACT ONBL ....  EST LDG 12:27Z  ACT LDG ....
      SKD 04:35          PLN 04:27   TTL BLCK ....  EST FLT 03:57   TTL FLT ....
--------------------------------------------------------------------------------

ATC ROUTE: N0527F340 GALK3A GALKO M522 ELANG R223 AGSON/N0527F350 R223
           BRU/N0527F340 L649 PARLU/N0524F360 L649 LAXOR/N0510F300 M772
           DABGI/N0510F360
M772 ASOBA/N0522F370 M772 DULOP Q1 CARSO/N0520F360
           V551 SUKER V542 BETTY BETY2B


ALTERNATE PLANNING
--------------------------------------------------------------------------------
ALTN/RWY DIST ALT/FL MSA  COMP  TIME   FUEL   DIFF ROUTE
ZGSZ/16   118 FL160  055 TL003 00:25   3214      - BEKO2B BEKOL BEKO4Z
VMMC/16   154 FL220  044 TL003 00:29   3845   +631 PECA1B PECAN DCT CHALI CHAL5B
ZGGG/20R  168 FL236  055 TL003 00:31   4065   +851 BEKO2B BEKOL A461 SHL
ZGOW/22   287 FL290  072 HD002 00:46   6059  +2845 LAKE2B LAKES V13 LOGAN V1
                                                   DOTMI DOT18A


MOST CRITICAL MORA 10100 FT AT ELANG
--------------------------------------------------------------------------------
AWY      WAYPOINT   MT    ALT MSA FREQ    TAS  LEG  FUEL REM / USED   LEG   ACC
-FIR     NAME                 ISA WND/SPD  GS  REM  POSITION          ETO / ATO
--------------------------------------------------------------------------------
         WADD/09           14 017                       49.7 /   0.7            
         I GUSTI NGURAH RAI I                 1931  S0844.9 E11509.2 ...../.....

GALK3A   BAWAL     086   *CLB 017               21      47.5 /   2.9   06  00.06
                              P15 102/006     1910  S0844.0 E11530.5 ...../.....

GALK3A   BELUT     086   *CLB 017               12      46.9 /   3.5   02  00.08
                              P16 072/013     1898  S0843.5 E11543.0 ...../.....

GALK3A   BETET     352   *CLB 017               17      46.2 /   4.2   02  00.10
                              P16 075/022     1881  S0826.7 E11540.9 ...../.....

GALK3A   BETOK     352   *CLB 017               19      45.6 /   4.8   03  00.13
                              P15 086/022     1862  S0807.8 E11538.6 ...../.....

GALK3A   BISON     357   *CLB 026               22      44.9 /   5.5   02  00.15
                              P15 098/020     1839  S0745.4 E11538.0 ...../.....

GALK3A   BUAYA     357   *CLB 026               12      44.6 /   5.8   02  00.17
                              P13 104/021     1828  S0733.6 E11537.7 ...../.....

         *TOC      322  FL340 026         527   11      44.3 /   6.1   01  00.18
                              P12 110/022 546 1816  S0724.5 E11530.9 ...../.....

GALK3A   GALKO     322  FL340 026         527   44      43.4 /   7.0   05  00.23
                              P12 103/024 546 1773  S0649.5 E11504.8 ...../.....

M522     KEVOK     355  FL340 052         527  150      39.9 /  10.5   17  00.40
                              P12 086/032 528 1623  S0420.4 E11456.5 ...../.....

M522     ELANG     357  FL340 101         527  205      35.2 /  15.2   23  01.03
                              P12 077/038 519 1418  S0055.5 E11450.0 ...../.....

R223     AGSON     359  FL340 101         527  191      30.9 /  19.5   22  01.25
-WBFC                         P12 075/033 518 1227  N0215.0 E11451.4 ...../.....

         *CLB      360  FL350 101         527   60      29.6 /  20.8   07  01.32
                              P12 074/033 517 1167  N0314.9 E11451.9 ...../.....

R223     BUTAX     000  FL350 101         524   71      28.0 /  22.4   09  01.41
                              P12 083/037 518 1095  N0426.2 E11452.5 ...../.....

R223     BRU       001   *DES 101 112.00        26      27.4 /  23.0   03  01.44
         BRUNEI               P12 082/037     1069  N0452.5 E11452.9 ...../.....

L649     AROBO     359  FL340 101         528   28      26.8 /  23.6   03  01.47
                              P13 079/037 521 1041  N0520.0 E11452.5 ...../.....

L649     ISKUD     359  FL340 016         528   17      26.5 /  23.9   02  01.49
                              P13 079/037 520 1025  N0536.6 E11452.3 ...../.....

L649     DOTOK     359  FL340 016         528   20      26.1 /  24.3   02  01.51
                              P13 081/035 520 1005  N0556.3 E11452.0 ...../.....

L649     PARLU     359   *CLB 016               23      25.6 /  24.8   03  01.54
                              P13 083/034      982  N0619.2 E11451.6 ...../.....

L649     DAKIX     359  FL360 010         522   50      24.4 /  26.0   06  02.00
-WSJC                         P11 084/036 517  932  N0708.9 E11450.9 ...../.....

L649     URKET     359  FL360 010         522   63      23.1 /  27.3   07  02.07
                              P11 085/029 519  870  N0811.5 E11450.0 ...../.....

L649     LAXOR     359   *DES 014               98      21.0 /  29.4   11  02.18
                              P11 091/023      771  N0949.6 E11448.4 ...../.....

L649     *BDRY     359   *DES 014                0      21.0 /  29.4   00  02.18
-RPHI                         P11 091/023      771  N0949.7 E11448.4 ...../.....

M772     VAVUM     359  FL300 014         510  100      19.6 /  30.8   12  02.30
                              P16 107/018 516  671  N1129.7 E11445.9 ...../.....

M772     DODUG     358  FL300 014         510   27      19.2 /  31.2   03  02.33
                              P16 109/017 516  644  N1157.0 E11444.5 ...../.....

M772     EMPUL     359  FL300 014         510  123      17.2 /  33.2   14  02.47
                              P16 103/015 514  521  N1359.7 E11440.7 ...../.....

M772     DABGI     359  FL300 010         510   11      17.0 /  33.4   02  02.49
                              P16 102/014 514  510  N1410.6 E11440.3 ...../.....

         *CLB      359  FL360 010         510   30      16.5 /  33.9   03  02.52
                              P16 100/013 513  480  N1440.6 E11439.4 ...../.
....

M772     ATBUD     360  FL360 010         523   74      14.9 /  35.5   09  03.01
                              P12 080/007 522  406  N1554.0 E11437.0 ...../.....

M772     ASOBA     360   *CLB 010               89      13.0 /  37.4   10  03.11
-VHHK                         P11 065/006      317  N1722.3 E11434.2 ...../.....

M772     DULOP     000  FL370 010         519   52      11.9 /  38.5   06  03.17
                              P09 357/003 516  266  N1814.2 E11432.6 ...../.....

Q1       CARSO     014   *DES 010               47      11.0 /  39.5   05  03.22
                              P09 061/006      219  N1900.0 E11442.6 ...../.....

V551     SUKER     357  FL360 010         523   41      10.2 /  40.2   05  03.27
                              P12 080/011 521  178  N1940.5 E11439.1 ...../.....

         *TOD      358  FL360 010         523   44       9.3 /  41.1   05  03.32
                              P12 080/011 523  134  N2024.4 E11435.4 ...../.....

V542     HOCKY     358   *DES 010               11       9.3 /  41.1   02  03.34
                              P15 089/013      122  N2035.8 E11434.4 ...../.....

V542     CYBER     358   *DES 010               15       9.2 /  41.2   01  03.35
                              P16 101/009      107  N2050.8 E11433.1 ...../.....

V542     BETTY     003   *DES 028               38       9.1 /  41.3   05  03.40
                              P17 132/009       69  N2129.1 E11433.5 ...../.....

BETY2B   MANGO     345   *DES 028                8       9.1 /  41.3   02  03.42
                              P16 135/009       61  N2136.8 E11430.8 ...../.....

BETY2B   TD        345   *DES 055 116.10        40       8.9 /  41.5   07  03.49
         TUNG LUNG            P15 181/011       21  N2214.8 E11417.5 ...../.....

BETY2B   VHHH/25L  283     28 055               21       8.5 /  41.9   08  03.57
         HONG KONG INTL                             N2218.4 E11355.9 ...../.....


--------------------------------------------------------------------------------


            
WIND INFORMATION - OBS 21/JUN 00:00
--------------------------------------------------------------------------------
(CLIMB)             KEVOK               ELANG               AGSON             
FL330  110/019 -37  FL380  069/041 -51  FL380  070/046 -51  FL380  076/042 -51
FL270  089/022 -23  FL360  077/036 -46  FL360  074/042 -46  FL360  076/038 -46
FL200  076/020  -8  FL340  087/032 -40  FL340  078/038 -40  FL340  076/033 -40
FL130  098/008  +4  FL320  089/030 -35  FL320  081/035 -35  FL320  078/030 -35
FL060  121/003 +16  FL300  091/028 -29  FL300  086/032 -30  FL300  081/026 -30

BUTAX               DAKIX               VAVUM               EMPUL             
FL390  088/041 -54  FL400  078/041 -57  FL340  102/021 -39  FL340  101/016 -39
FL370  087/039 -49  FL380  083/040 -51  FL320  105/020 -34  FL320  102/016 -34
FL350  083/037 -43  FL360  084/036 -45  FL300  108/018 -28  FL300  104/015 -28
FL330  081/034 -37  FL340  086/033 -39  FL280  101/015 -25  FL280  100/014 -24
FL310  081/029 -32  FL320  086/032 -34  FL260  090/013 -20  FL260  095/012 -20

ATBUD               DULOP               (DESCENT)         
FL400  052/011 -56  FL410  054/010 -58  FL350  092/023 -42  
FL380  062/008 -50  FL390  015/003 -53  FL280  119/013 -24  
FL360  081/008 -45  FL370  358/004 -47  FL210  133/011  -9  
FL340  100/009 -39  FL350  002/005 -42  FL140  143/009  +3  
FL320  102/010 -34  FL330  027/006 -36  FL070  176/011 +16


--------------------------------------------------------------------------------
END FLIGHTPLAN 00115  CPA784   B-KPB   WADD-VHHH   21JUN2016

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It looks like it may be a/c profile related, certainly I see the same result with the B77W.

 

With the 77L whilst an unexpected step down exists it is not by the same margin:

 

-N0482F380 GALK3A GALKO M522 ELANG R223 AGSON/N0485F390 R223 BRU/N0481F400 L649
 LAXOR/N0479F380 M772 DABGI/N0484F400
M772 ASOBA/N0482F390 M772 DULOP Q1
 CARSO/N0483F380 V551 SUKER V542 BETTY BETY2B

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  • 2 weeks later...

*BUMP*

 

I'm actually having the same problem. I'm using the LevelD 767-300.

 

Also, what does the * BDRY in the legs page of the flight plans mean now? I too am frustrated by the lack of explanation of the changes to PFPX with the last update.

 

Thanks,

Matt

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3 hours ago, matta757 said:

*BUMP*

Also, what does the * BDRY in the legs page of the flight plans mean now? I too am frustrated by the lack of explanation of the changes to PFPX with the last update.

There is no need to write bump on a post just made.

 

I image BDRY signifies your are going from one ARTCC to another. That's a guess so could be wrong.

 

Michael Cubine

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7 hours ago, matta757 said:

*BUMP*

 

I'm actually having the same problem. I'm using the LevelD 767-300.

 

Also, what does the * BDRY in the legs page of the flight plans mean now? I too am frustrated by the lack of explanation of the changes to PFPX with the last update.

 

Thanks,

Matt

 

Hello Matt,

 

Providing the OFP for the plan where the climb/descent issue exists may help the developer. It may at least exclude RVSM, Airway, other restrictions been the cause.

 

The BRDY ( Boundary ) entry occurs where the ATC sector changes, as posted by Michael, and is not associated with a waypoint. The ATC sector is also named.

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Using the OP's route and the B763 profile the only FL changes occurs due to the heading passing through North:

 

ATC ROUTE: N0470F360 GALK3A GALKO M522 KEVOK/N0470F380 M522 ELANG R223
           AGSON/N0464F370 R223 BRU/N0467F380 L649 LAXOR M772 ASOBA/N0467F390
           M772 DULOP Q1 CARSO/N0465F380 V551 SUKER V542 BETTY BETY2B

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Hi guys,

 

Thanks for the info, seems obvious now that you've said it. I haven't experienced the multiple up and down flight levels in a while, I'll have to see if it happens again.

 

Regarding the OFP and the inclusion of the ATC boundary points in the legs print out, is there an option to not include the *BDRY points in the legs print out? It just adds to the length of the page and thus more paper used to print. I liked how it wasn't included before the update. Any insights would be great, but I assume this is just something to live with.

 

Thanks,

Matt

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45 minutes ago, matta757 said:

It just adds to the length of the page and thus more paper used to print. I liked how it wasn't included before the update. Any insights would be great, but I assume this is just something to live with.

 

You got that right. I quit printing the OFP on long flights like VHHH-EDDF. The thing is like a book. I just use the summary now.  Maybe someone around here has stock in a paper company.

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