OMB/Limitations Flashcards
Aeroplane dimensions
W 156’ (47.57m)
H 52’ (15.85m)
L nose to tail 159’ (48.51m)
No SG for fuel
SG 0.78 should be used
B767 type of operation
VFR
IFR
Icing conditions
Min crew Pilot and co-pilot
767 Performance category
A
Assumed one engine inoperative cruise speed 400kts.
Main deck cargo door operation
Operation 40kts
Open 60kts
Lower cargo door 40kts
Cabin differential
Max 9.1psi
Max during climb 8.6 +/- 0.10psi
Max for T/O and LND 0.125psi
A/P engaged
Not below 400’
Disengage
APP V/S
APP ILS
300’ ARTE
180’ ARTE
Auto land
All Engines
HW 25kts XW 25kts TWC 15kts
3.1-2.5 degree GS
F25/30
3 HYD SYS
2 GEN SYS (APU May be used)
IRS in NAV
2 AP and LAND 2 or LAND 3 at and below 600’
Starter duty cycle
5 min on followed by 1/2 min off per min on
2x consecutive on req 10min cooling
Engine warm up
3 mins prior to departure
70% N1 before full power.
Lower EICAS display
Should not be blanked during T/O
ENG RPM limits
N1 117.5
N2 110.5
EGT limits
T/O 940
Max cont. 895
Start GND/FLT 870 transient 40sec
750 unlimited
ENG oil
Min 10psi
Min 160
Max 15min 175
Dispatch 17 Quarts
Max Fuel temp
49 deg C
Min fuel Temp
-45 or 3 deg above freezing point
Max Fuel
L/R main 43097
Centre 32376
Max allowable Fuel imbalance L/R
2500lbs 48000lbs or less
1500lbs above 79800lbs
Speed brakes
> F5 should be avoided and not below 1000’
Can be used to F20
Flap speeds
1 240kts 5 220kts 15 210kts 20 195kts 25 190kts 30 162kts
T/O flap
1,5,15,20
Landing Gear Retract
270
Landing Gear
Retract 270/0.82
Extend nml 270/0.82
Extended nml 270/0.82
Extend alt 250/0.75