PPRuNe Forums - View Single Post - how to handle a rapid decompression over the Pacific ?
Old 23rd Sep 2011, 19:31
  #84 (permalink)  
Spooky 2
 
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Way to much attitude and not enough facts here from a couple of posters. Here is a B737-800 180' ETOPS flight plan from KSEA to PHNL. Suggest some might take a careful look at AC120-42B regarding what the parameters for these kinds of operations require.

FUEL TIME CORR OWE 91800 PYLD 41446 APLD .. .. ..
DEST PHNL 33165 0551 . . . . EZFW 133246 MZFW 136000 AZFW .. .. ..
RESV 2973 0035 . . . . ETOW 174200 MTOW 174200 ATOW .. .. ..
DEST-MNVR 0 0000 . . . . ELDW 141035 MLDW 144000 ALDW .. .. ..
ALTERNATE 2090 0021 . . . . PHOG FL150 0087 NM M.54 W/C M003
HOLD-ALT 2538 0030 . . . .
ETOPS ADD 188 0002
ETOPS APU 332 0000
REQD 041286 0719 . . . . NOTE - LDGWT INCLUDES RESERVE FUEL
EXTRA 000000 0000 . . . . NOTE - APM 0000 PCN
TAXI 250 0000 SCHEDULE TIMES ETD 0600/.. .. .. ..


TOTAL
041536 0719 . . . . RTE ETA 1151/.. .. .. ..
INCREMENTAL BURN PER 1000 LBS INCREASE/DECREASE IN TOW: 175

MOST CRITICAL FUEL SCENARIO AT :


ETP02 FUEL EXCESS OF 0

TIME TO
DIST W/C CFR FOB EXC ETP / ALT
ETP1 KPDX/KSFO 0469/0473 P020/P022 009712 030260 20548 01.31/01.23
N41114 W131282

ETP2 KSFO/PHOG 1074/1023 P021/P002 020057 020057 0 03.18/03.11

KPDX/KSFO - EQUAL TIME POINT DATA - ETP01
DIVERSION SUMMARY
ETP LOCATION N41 11.4 W131 28.2 ETE 01.31
GWT AT DIVERSION 163187 FOB


029941
DIVERSION AIRPORTS KPDX KSFO
G/C DIST 0469 0473


CRITICAL FUEL REQUIRED CALCULATION
FLIGHT CONDITION DECOMP DECOMP PRESS


DECOMP DECOMP PRESS
CONFIG 2 ENG. 1 ENG. 1 ENG.

2 ENG. 1 ENG. 1 ENG.
SPEED LRC 310 310

LRC 310 310
F.L. 100 100 180

100 100 180
AVG W/C P020 P020 P029

P022 P022 P023
ENROUTE TEMP ISA M014 M014 M031

M012 M012 M029
FORECAST ICING PCT 000100 000100 000100

000100 000100 000100
TIME TO ALT NO HOLD 01.23 01.20 01.22

01.23 01.20 01.23
CRUISE 007507 007385 006903

007534 007414 006982
DESCENT 000348 000266 000304

000348 000266 000304
HOLD 001400 001288 001292

001399 001288 001291
APU 000306 000295 000302

000305 000295 000304
ICING 000125 000130 000122

000126 000130 000123
TOTAL 009686 009364 008923

009712 009393 009004
CRITICAL FUEL REQUIRED AT ETP01 - DECOMP 2 ENG TO KSFO
AMOUNT TIME
CFR


009712 01.23
FOB 030260
QTY DIFF. 020548


KSFO/PHOG - EQUAL TIME POINT DATA - ETP02
DIVERSION SUMMARY
ETP LOCATION N33 55.2 W143 57.0 ETE 03.18
GWT AT DIVERSION 153163 FOB


019917
DIVERSION AIRPORTS KSFO PHOG
G/C DIST 1074 1023
CRITICAL FUEL REQUIRED CALCULATION
FLIGHT CONDITION DECOMP DECOMP PRESS


DECOMP DECOMP PRESS
CONFIG 2 ENG. 1 ENG. 1 ENG.

2 ENG. 1 ENG. 1 ENG.
SPEED LRC 310 310

LRC 310 310
F.L. 100 100 180

100 100 180
AVG W/C P021 P021 P050

P002 P002 P000
ENROUTE TEMP ISA M005 M005 M019

P004 P004 M005
FORECAST ICING PCT 000100 000100 000100

000100 000100 000100
TIME TO ALT NO HOLD 03.11 02.54 02.42

03.11 02.53 02.46
CRUISE 017224 017224 015133

017534 017379 015856
DESCENT 000348 000266 000305

000348 000266 000296
HOLD 001245 001133 001149

001245 001132 001143
APU 000642 000590 000551

000642 000582 000565
ICING 000281 000297 000262

000288 000300 000274
TOTAL 019740 019510 017400

020057 019659 018134

CRITICAL FUEL REQUIRED AT ETP02 - DECOMP 2 ENG TO PHOG
AMOUNT TIME

CFR


020057 03.11
FOB 020057
QTY DIFF.

0
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