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
Oxygen
Min psi for recharging by engineering 1200psi, provides 30 mins O2 for ALL seats 100%.
2 hrs at 25000’ smoke/fumes event
Start Valve open min duct psi
21psi
Start Aborts
ENG oil psi light not extinguished idle
No EGT 25secs.
No N1 rotation in 30secs. (N2 stabilised)
EGT rapid or limit
Tailpipe fire
Abnormal acceleration
Taxi technique speeds
Recommend 20kts
Max 30kts DHL
90 deg turn 10kts.
180 deg turn
39.3m
T/O procedure rotation and target SPD
At Vr 2-2 1/2 deg/sec toward 15 deg.
V2 + 20 to 1000’
Low level Alt CAP suggested call
CLB thrust
VREF 30+80
SPD mode.
Min speeds FL200 below and FL200 +
VREF 30+80
VREF 30+100
Max rate CLB
F up manoeuvre SPD + 50kts until intc 0.78
Cruise speed
ECON
Less than 1 hr 290kts or 0.78 whichever is lower
Map integrity and Fuel checks
As soon as practical after TOC and hourly until TOD