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Altitude problems... How can this be?


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Hi, I'm a mostly satisfied user of PFPX, but I have one very very annoying and important issue...

whenever I try to plan a flight using optimal altitude, PFPX will give me a cruise altitude of 1000ft...

I am currently only flying with NGX, and 737s don't usually fly that low.

I have only been able to create flights by manually entering a cruise level... Which is ok for 737s but when the PMDG 777 comes out, it will be a nuisence.

Anyone else having this issue? And is there a solution for this problem?

A sample OFP has been included, from RKSI to RJTT...

Thanks for any help in advance :-)

KAL719 RKSI-RJTT (29 Aug 2013) #1.txt

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Thank for your help!

I don't have 2000ft for cruise altitude, but every time low altitude for a 737.

And i have underestimate fuel planning and i now this is my fault, but i don't know what i do wrong :mecry_s:

AIR CHILD FLIGHTPLAN - IFR ACH7735 F-PMDG LEAM-GMMZ
--------------------------------------------------------------------------------
ALL WEIGHTS IN POUNDS (LB) STD 30AUG/2120Z
--------------------------------------------------------------------------------
PREPARED 30AUG/2052Z BY FREDERIC FURST (6769) 0619348367
ACH7735 OFP 1 F-PMDG/B737-800 CF ROUTE: (AUTO)
DEP: LEAM/LEI 07 ELEV 70 FT CRZ SPD: CI 39 TTL G/C DIST: 420 NM
ARR: GMMZ/OZZ 30 ELEV 3782 FT INIT ALT: FL230 TTL F/P DIST: 433 NM
BURN ADJ: 101.1% TTL AIR DIST: 433 NM
AVG WIND CMP: 0 KT
ALT: GMMX/RAK 10 ELEV 1545 FT 122 NM
--------------------------------------------------------------------------------
CONFIG DOW PAX CARGO TOTAL ULOAD LIM ZFW TOW LDW
C12Y150 91300 88 0 19800 27200 ZFW MAX 138300 174700 144000
PLN 111100 123228 116121
ACT ...... ...... ......
FUEL CORR ENDUR
TRIP 7107 ........ 01:09
CONT 5% 355 ........ 00:05
ALTN GMMX 2537 ........ 00:26
FINAL RESV 2129 ........ 00:30
MIN T/O 12128 ........ 02:10 .....................................
EXTRA 0 ........ 00:00 CAPTAINS SIGNATURE (....)
TAXI 260 ........ 00:10
RELEASE 12388 ........ 02:20 I ACCEPT THIS OFP AND I AM FAMILIAR
WITH THE PLANNED ROUTE AND AERODROMES
FUEL TANK CAP 46063 LB / MAX EXTRA FUEL 27879 LB LIM BY LDW
TRIP CORR FOR 2000 LB TOW INCR: +52 LB / 2000 LB TOW DECR: -48 LB
2000 FT LOWER: +229 LB / EET 01:10 CLB: 250/280/78 DES: 78/280/250
LEAM/LEI STD 21:20 ETD 21:20 ACT OFBL ..... EST T/O 21:30 ACT T/O .....
GMMZ/OZZ STA 22:45 ETA 22:44 ACT ONBL ..... EST LDG 22:39 ACT LDG .....
TTL BLCK ..... TTL FLT .....
ATC ROUTE: N0422F230 VADA1B VADAT G850 BERUM UG850 FES UV203 TOGMA TOGM1A
ALTERNATE PLANNING
--------------------------------------------------------------------------------
ALTN/RWY DIST ALT/FL COMP TIME FUEL DIFF ROUTE
GMMX/10 122 FL240 HD015 00:26 2537 - MAXO1A MAXOR J744 MOKIR MKR3A
--------------------------------------------------------------------------------
AWY WAYPOINT MT ALT WND/VEL TAS REM FUEL REM / USED LEG ACC
NAME TMP FREQ GS DIST POSITION ETO / ATO
--------------------------------------------------------------------------------
LEAM/07 70 12.1 / 0.3
ALMERIA 433 N3650.4 W00223.1 ...../.....
VADA1B VADAT 209 *CLB 30 10.4 / 2.0 07 00:07
403 N3628.2 W00237.4 ...../.....
*TOC 219 FL230 317/026 422 6 10.2 / 2.1 01 00:08
-21 425 397 N3623.4 W00242.0 ...../.....
G850 BERUM 219 FL230 312/027 422 42 9.7 / 2.7 06 00:14
-GMMM -21 424 354 N3550.0 W00314.1 ...../.....
UG850 ALM 219 FL230 308/028 422 49 9.0 / 3.4 07 00:21
AL HOCEIMA -20 115.00 422 306 N3511.5 W00350.5 ...../.....
UG850 FES 219 FL230 305/029 424 96 7.7 / 4.7 13 00:34
-19 115.70 423 210 N3355.6 W00500.8 ...../.....
UV203 BEDUX 210 FL230 299/027 422 87 6.5 / 5.9 13 00:47
-18 422 123 N3238.8 W00549.9 ...../.....
UV203 *TOD 211 FL230 299/027 424 61 5.6 / 6.8 08 00:55
-18 422 62 N3145.0 W00624.1 ...../.....
UV203 TOGMA 210 *DES 30 5.4 / 7.0 07 01:02
32 N3118.5 W00640.6 ...../.....
TOGM1A OZT 210 *DES 25 5.2 / 7.2 05 01:07
OUARZAZATE 116.70 7 N3056.4 W00654.3 ...../.....
TOGM1A GMMZ/30 134 3782 7 5.1 / 7.4 02 01:09
OUARZAZATE INTL N3056.0 W00653.7 ...../.....
--------------------------------------------------------------------------------

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The G850 is restricted to FL245, so the vertical Profile seems correct. Did you maybe select 'no step climb'?

You're right Christian, i select no step climb! Thank for your help!

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If the optimum routing is availabe in lower airspace only, FL230/240 is not low, but very common for flight times about one hour.

I learn something, thank you!

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