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TWO ENGINES INOPERATIVE
DESCENT - ONE ENGINE INOPERATIVE
A330/A340 FLEET PER-TEI-DES-OEI-STD P 2/4
FCOM 19 AUG 10
Total Time= 6 h 16 min + 8 min = 6 h 24 min
EXAMPLE
Applicable to: ,
GIVEN
GW at engine failure = 190 000 kg
FL at engine failure = 350
Temperature = ISA
Distance to destination
airport
= 440 nm
No wind
FIND
LRC ceiling : FL 240
(Refer to PER-CRZ-OEI-ALT-10 GROSS CEILINGS AT LONG RANGE AND GREEN DOT
SPEEDS)
Descent to cruise
level
: (FL 240)
Refer to PER-TEI-DES-OEI-STD DESCENT - M.82/300KT - 1 ENGINE OUT
Distance = 303 – 179 = 124 nm
Fuel = 3 595 – 2 249 = 1 346 kg
Time = 45 – 28 = 17 min
Cruise at long range speed (FL 240) to landing.
(Weight = 190 000 – 1 346 = 188 654 kg : Distance = 440 – 124 = 316 nm)
Determine on (Refer to 00002633 **Not found**) time and fuel consumption at ISA conditions
for a reference weight of 150 000 kg. Interpolate the remaining air distance of 316 nm at FL 240.
Fuel : 3 453 kg
Time : 1 h 04 min
Correction due to actual in-cruise weight
▹Fuel􀀃=􀀃+13􀀃kg􀀃per􀀃1􀀃000􀀃kg􀀃above􀀃reference􀀃weight􀀃
▹Fuel􀀃=􀀃+13􀀃kg􀀃×􀀃(189􀀃–􀀃150)􀀃▹􀀃637􀀃kg􀀃
RESULT
Total Fuel = 1 346 + 3 453 + 637 = 5 436 kg
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TWO ENGINES INOPERATIVE
DESCENT - ONE ENGINE INOPERATIVE
A330/A340 FLEET PER-TEI-DES-OEI-STD P 3/4
FCOM 19 AUG 10
Total Time= 1 h 04 min + 17 min = 1 h 21 min
DESCENT - M.82/300KT - 1 ENGINE OUT
Applicable to:
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TWO ENGINES INOPERATIVE
DESCENT - ONE ENGINE INOPERATIVE
A330/A340 FLEET PER-TEI-DES-OEI-STD P 4/4
FCOM 19 AUG 10
DESCENT - M.82/300KT - 1 ENGINE OUT
Applicable to: ,
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TWO ENGINES INOPERATIVE
DESCENT - ONE ENGINE INOPERATIVE
A330/A340 FLEET PER-TEI-DES-OEI-OBS P 1/10
FCOM 19 AUG 10
OBSTACLE
EXAMPLE
Applicable to:
GIVEN
GW at engine failure = 200 000 kg
FL at engine failure = 350
Temperature = ISA
Distance to destination
airport
= 2 500 nm
No wind
FIND
Level off (drift down
ceiling)
: 33 800 ft
(Refer to PER-TEI-DES-OEI-OBS DESCENT AT GREEN DOT SPEED - ISA)
Distance : 245 nm
Fuel : 3 500 kg
Time : 36 min
LRC ceiling : (Refer to PER-CRZ-OEI-ALT-10 GROSS CEILINGS AT LONG RANGE AND
GREEN DOT SPEEDS) FL 330
Cruise at long range speed (FL 310) to landing
(weight = 200 000 – 3 500 = 196 500 kg : Distance = 2 500 – 245 = 2 255 nm)
Determine on (Refer to 00002633 **Not found**) time and fuel consumption at ISA conditions for a
reference weight of 160 000 kg. Interpolate the remaining air distance of 2 255 nm at FL 310.
Fuel : 26 469 kg
Time : 5 h 46 min
Correction due to actual in-cruise weight
▹Fuel􀀃=􀀃+83􀀃kg􀀃per􀀃1􀀃000􀀃kg􀀃above􀀃reference􀀃weight􀀃
▹Fuel􀀃=􀀃+83􀀃kg􀀃×􀀃(196􀀃–􀀃160)􀀃▹􀀃2􀀃988􀀃kg􀀃
RESULT
Total Fuel = 26 469 + 2 988 + 3 500 = 32 957 kg
Total Time= 5 h 46 min + 36 min = 6 h 22 min
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TWO ENGINES INOPERATIVE
DESCENT - ONE ENGINE INOPERATIVE
A330/A340 FLEET PER-TEI-DES-OEI-OBS P 2/10
FCOM 19 AUG 10
EXAMPLE
Applicable to: ,
GIVEN
GW at engine failure = 190 000 kg
FL at engine failure = 390
Temperature = ISA
Distance to destination
airport
= 1 500 nm
No wind
FIND
Level off (drift down
ceiling)
: 26 300 ft
(Refer to PER-TEI-DES-OEI-OBS DESCENT AT GREEN DOT SPEED - ISA)
Distance : 462 nm
Fuel : 6 200 kg
Time : 81 min
LRC ceiling : (Refer to PER-CRZ-OEI-ALT-10 GROSS CEILINGS AT LONG RANGE AND
GREEN DOT SPEEDS) FL 240
Cruise at long range speed (FL 240) to landing
(weight = 190 000 – 6 200 = 183 800 kg : Distance = 1 500 – 462 = 1 038 nm)
Determine on (Refer to 00002633 **Not found**) time and fuel consumption at ISA conditions for a
reference weight of 150 000 kg. Interpolate the remaining air distance of 1 038 nm at FL 240.
Fuel : 12 100 kg
　
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