Limitations Flashcards
AC Length
38m to exhaust
39.5m to stabiliser tip
AC Height
12.5m
AC Width with Winglets
35.79m
AC Width std wing
34.4m
Stabiliser Tip Width
14.3m
Main Gear Width
5.7m
Nose Gear to Main Gear Length
15.6m
MTOM
76999 or 76000 kg
MLM
65317kg
MZFM
61866kg
MTM
up to 79242kg
Min pavement width for 180 turn
24.3m
738W Turn Radius
23.0
738 Turn Radius
22.8
738W Largest Arc
Wing Tip
738 Largest Arc
Tail
NWS tiller maximum
78 degress
NWS tiller effective
75 degrees
NWS via Pedals
7 degrees
Max rwy slope
+/- 2 degrees
Max operating altitude
41000ft
Max T/O and Landing Alt
8,400ft
Max Operating Latitudes
82 degrees N and S
Max T/O & LDG Tailwind
10 kts
Max Crosswind T/O winglet
33 dry / 25 wet
Max Crosswind LDG winglet
33 dry / 33 wet
FO max crosswind take off
20 dry / 15 wet
FO max crosswind landing
20 dry / 15 wet
Landing wind limits need to be adjusted when asymmetric thrust is used, but by what amount and specifically what conditions?
5 kts and wet/contaminated runways
Autoland max HW
25 kts
Autoland max crosswind
20 kts
Autoland max TW
10 kts
Operation of entry and cargo door
max 40 kts
Doors not to be kept open
gusts of 65kts plus
VMO/MMO
340 kts / 0.82M
Gear Retraction VLO
235 kts
Gear Extension VLO
270 kts / 0.82M
Gear Extended VLE
320 kts / 0.82M
Turbulence Pen VRA
280 kts /0.76
VFE 1-5
250 kts
VFE 10
210 kts
VFE 15
200 kts
VFE 25
190 kts
VFE 30
175 kts
VFE 40
162 kts
Alternate flap extension
230 kts
Max tyre speed
195 kts / 225mph
Tank 1 Quantity
3915 kg
Tank 2 Quantity
3915 kg
Main Tank Quantity
13066 kg
Total Tank Quantity
20896 kg
IMBAL Amber Alert ON
453 kg between tanks 1 and 2
IMBAL Amber Alert OFF
Imbalance reduced to below 91kg
Config Alert ON
> 726 kg in the centre tank with fuel pumps off
Departing with centre tank <453 kg condition…
Main tanks 1 and 2 must be full
Max fuel temperature
49 degrees
Min fuel temperature
-43 degrees or 3 degrees above fuel freezing point whichever is higher
Jet A1 freezing point
-47 degrees
Max refuelling pressure
55 psi
Refuelling rate
1000 kg/min
Fuel Tankering Landing Limit
6000kg
Fuel burn at cruise thrust
2400kg/hr or 200kg/5mins
Fuel burn during Taxi
13kg/min
Fuel for Elec Hyd Pump Cooling
760kg
Max Cabin Differential
9.1 PSI
Cabin Differential for TO and Landing
0.125 PSI
Max Cabin Alt
8000ft
Cabin Alt warning activates when
> 10,000ft
When do Pax O2 masks deploy?
14,000 ft
Minimum height for AP Engagement
1000ft AGL
LVL change is prohibited below what height ?
1000ft AFE
Max Glideslope Angle for Autoland
3.25 degrees
Min Glideslope Angle for Autoland
2.5 degrees
Flap setting for Autoland
30 or 40, and AEO
When must the second AP be engaged during an auto land?
800ft RA
What happens to the stabiliser on an autoland at 400ft RA?
Stabiliser auto trims up
If the FLARE is not armed, during the autoland, at 350ft RA what happens?
APs will disengage
When does the Flare engage on an autoland?
Flare Engages at 50ft RA
Autoland 27ft RA what happens?
A/T Retard
2 second after an Autoland what happens?
A/T auto disengages
Rudder control on touchdown in an autoland is auto or manual?
MANUAL !
Max flaps extension altitude
20,000ft
Speed brake limitation
Below 1000ft RA or with flaps >10
Engine type
CFM56-7 dual rotor, axial flow
Minimum oil quantity
12 Quarts or 60%
When is the ENG in CONT?
T/O, LDG, Anti Ice ON or in Heavy Rain
How long can the oil temperature be in amber for?
45 minutes
Min Air Pressure for Engine Start
30 PSI
Max Air Pressure for Engine Start
60 PSI
Max Temperature for Engine Start
725 degrees
When does the engine start switch turn off during start up?
56% N2
Starter Re-engagement
Below 20% N2
Idle N1
20%
Idle EGT
320-520 degrees
Idle N2
59%
High pressure bleed stage
9th stage
Low pressure bleed stage
5th stage
How many start cycles can you do?
Multiple but 2 mins on 10 secs off
What should you do if you have a fluid leak from the engine drain during start?
Idle for 5 minutes and continue if leak stops,
or shut down return for maintenance
How should you adapt your take off if you anti-skid is INOP?
No assumed temp or reduced thrust
When do you have engine anti on?
OAT or TAT < 10 or visible moisture less than 1SM
What is the exception to having engine anti ice on whilst in icing conditions?
When the SAT is below -40C
Where on the wing is the anti-ice fitted?
3 inboard slats
How often is fan ice removal in flight?
Every 15 mins, Increase N1 to 80% for 1 seconds
Max altitude for APU bleed & electrical load
10,000ft
Max altitude for APU bleed only
17,000ft
Max altitude for Electrical Load only
41,000ft
APU start cycle time
up to 120 seconds
How long after APU start up can bleed be put on?
2 minute
APU: MAINT light ON
Low oil quantity
Where does the APU get its fuel supply when the pumps are on?
Left side fuel pump
Where does the APU get its fuel from when there are no pumps on?
Suction fed from no1 tank
Max altitude for APU start attempt
41000ft
AC Voltage
115 +/- 5V
APU GEN Voltage
110 to 125 V
CPS FREQ
400 +/- 10Hz
DC Voltage
26 +/- 4V
Main and Auxiliary Batteries
22 to 30V
Standby power duration
60 mins MAX
Minimum Hydraulic pressure
2800PSI
Normal Hydraulic pressure
3000PSI
Maximum Hydraulic pressure
3500PSI
Hydraulic quantity display
0-106%
Traffic Advisory timing
=40 seconds till impact
Resolution Advisory timing
=25 seconds until impact
Proximate Traffic requirements
<6nm within 1200ft
Other traffic (distance)
> 6nm within 1200ft
Traffic advisory symbol
Amber circle
Resolution advisory symbol
Red square
Proximate traffic symbol
White diamond
Other traffic symbol
Empty diamond
Minimum runway width
30m
Minimum taxi width
15m
Maximum RVSM allowable altitude difference in flight
200ft
Maximum allowable difference CAP/FO with field elevation 0-5000’
50/75ft
Maximum allowable difference CAP/FO with field elevation 5001-10000’
60/75
Take off alternate has to be within what distance from departure aerodrome (non ETOPS)
320nm
Runway slope limits
+/- 2%
Max take off and landing tailwind component
10kts
Second officer crosswind limit
20kt dry / 15kt wet
By how many kts should wind Limitation be reduced with asymmetric thrust.
5kts
Which approach category is the 737-800?
C
ICAO RFF Level
7
When should you not operate air conditioning in HIGH?
Take off / approach / landing
Can you use aileron trim with AP engaged?
No
What altitude can you engaged autopilot?
1000’ AGL
Minimum Use height for single channel autopilot
158 AGL
Maximum allowable wind speeds when conduction dual channel autoland?
HW: 25kts / XW: 20kts
Autoland max and min glide slope?
3.25 and 2.5
What engine oil quantity in % and quarts before start up requires engineering advice?
60% / 12 quarts
What 3 conditions require the APU bleed to be closed?
Ground air connected and iso valve open
Eng 1 bleed valve open
Isolation and Eng 2 bleed valve open
Enroute alternate non etops 737-800
395nm
Enroute alternate 737-800w and w.1
400nm
Enroute alternate ferry flight for 737-800w.1
420nm
Max crosswind compacted snow take off
22/20
Max crosswind ice take off
13
Max crosswind standing water TO
15
Max crosswind slush TO
15
Max crosswind dry snow TO
20
Max crosswind wet snow TO
20
Landing dry crosswind limit
36 or 33 W
Landing wet crosswind limit
36 / 33 W
Landing BA GOOD crosswind limit
36 / 33
Landing BA M/G crosswind limit
35/33
Landing BA MED crosswind limit
25
Landing BA M/P crosswind limit
17
Landing BA POOR crosswind limit
15
Rough air speed
280 / .76 whichever is lower
Which VHF box should you use if requiring 120.000?
Comm #1
Engine ignition must be on for which 4 stages of flight?
Take off / landing / heavy rain / anti ice operations
Anti skid inop can you operate with assumed temperature
No
ADIRU must not be attempted at latitude greater than…
78 degrees
Are QFE Ops allowed?
Yes if the QFE alt reference selection is installed in the FMS
Drop check on fuel is required when?
Calculated uplift and actual uplift exceed 625L
At which % must engineers be called to drain some hydraulic liquid prior to dispatch?
101% or above
Do not attempt to make a turn away from an obstacle within X of wing tip:
5.4 m
Do not attempt to make a turn away from an obstacle within X of nose:
7.4 m
PSEU illuminates for 4 specific issues;
TO CONFIG
LANDING CONFIG
GEAR ERROR
AOR GROUND sensor
Bright blue status lights
In the uncommanded position
Red light in FD requires;
Immediate action required
Amber light in FD requires;
Timely action required
Where is the fire warning panel located?
On the aft electronics panel
When is the altitude alerting inhibited
GS capture or flaps 25 and greater
When will PLIs display?
Flaps up and slow speed
Or flaps extended
How long does FDR record for?
25hours
CVR recording duration
120 mins
When does the CVR/FDR record ?
Starts recording on first engine start till 5 minutes after last engine shut down
What does it mean if there is steady red AP light during an AutoLand?
Stab out of trim on dual AP below 800ft RA
When do you get a flashing amber AT caution ?
At airspeed error of +10/-5 kt with flaps not up
WX radar range
320 nm
Wx radar range for turbulence
40 nm
How long is one sweep of wx radar
4 secs
How many sweeps / amount of time does it take to find windshear?
3 sweeps / 12 secs
Caution terrain timing
40-60 seconds till impact
Terrain terrain pull up
20-30 secs till impact
What will cause the SAP lights to illuminate automatically?
Amber light overhead and light on fire panel.
Holding speed below 14000ft
230kias
Holding speed between 14000-20000ft
240Kias
Holding speed between 20000-34000ft
265 Kias
Holding speed above 34000ft
0.83 Mach
How long is a hold below 14000ft?
1 minute
How long is a hold above 14000’?
1.5 minutes
