Limitations Flashcards
Flight manoeuvring load limits?
Clean: -1 to +2.5G
Other: 0 to 2G
Nominal Runway width?
Nominal- 45m
Minimal- 30m
Tailwind for takeoff and landing?
Takeoff: 10 or 15kt
Landing 10 or 15kt
Maximum operating speed?
VMO: 350kt
MMO: 0.82M
Maximum gear speeds?
VLE: 280kt / M 0.67
VLO ext: 250kt / M 0.60
VLO ret: 220kt / M 0.54
Maximum tire speed?
195kt
Cabin pressure max positive and negative differential?
Pos: 9.0psi
Neg: -1.0psi
Safety relief valve setting: 8.6psi
Can conditioned air from the packs and from the LP Air Conditioning Unit be used at the same time?
No- to prevent any adverse effect on the Air Conditioning system
Can bleed air from the APU BLEED and from the HP Air Start Unit be used at the same time?
No- to prevent any adverse effect on the Bleed Air System
When can AP be engaged after takeoff?
100AGL and at least 5 sec after liftoff.
When can AP be used until on a circling approach?
CAT C: 500AGL
TOGA time limit /temp?
All engines: 5min/635deg
One inop: 10min/635deg
(A321 650deg)
MCT EGT limit?
610 deg
Starting EGT limit?
635 deg
Max N1 / N2 ?
100%
*ambient conditions and configuration of the engine air bleed may limit N1 to less than 100%.
Max continuous oil temperature A320/A321?
155 deg
Max transient oil temperature? (15min) A320/A321
165 deg
Minimum starting oil temp?
-40 deg
Minimum oil temp before idle exceeded?
-10 deg
Minimum oil temp before takeoff?
50 deg
Minimum oil quantity A320/A321?
11 qt + estimated consumption
*Average estimated consumption = 0.3 qt/h.
Minimum oil pressure?
A320/A321: 60psi
A321 NEO: 17.4psi
Starter duty limits?
3 cycles.
-Manual start 2 min max.
-15 sec between cycles.
- 30 min cooling period , subsequent to three failed cycles, or 4 min of continuous crank, or 5 min cumulated crank
Max N2 to engage starter?
10% on ground.
18% in flight.
Minimum reverse speed?
70kts.
Idle reverse permitted down to aircraft stop.
Max crosswind for engine start?
A320/A321: 35kt
A321 NEO: 45kt
APU starter duty limits?
After 3 consecutive attempts, must wait 60 minutes.
Max APU rotor speed? (N)
107%
Max EGT for APU start?
1090deg
*1120deg about 35000ft
Max EGT For APU running?
675 deg
Max altitude for APU Bleed to assist engine start?
20 000ft
Max altitude for air con and pressurisation on APU Bleed?
Single pack- 22 500ft
Dual pack- 15 000ft
Can wing anti-ice be used on APU Bleed?
No
When must the in seat power supply system for pax be turned off?
During takeoff and landing.
Max operating altitude with slats and/or flaps extended?
20 000ft
Max fuel temp?
54 deg C
Minimum fuel temp?
-43 deg C (Jet A1)
Definition of icing conditions?
OAT (ground or flight) or TAT (flight) <=10 deg C and visible moisture.
(except during climb and cruise when the SAT is below - 40 °C)
Definition of severe ice accretion?
5mm thick or more.
Definition of thin hoar frost?
Surface features (lines or markings) can be distinguished beneath it.
When should rain repellent be used?
Only moderate or heavy rain.
Max brake temp for takeoff?
300 deg C (brake fans off)
150 deg C (brake fans on)
Max NWS angle?
+/- 85deg
Max speeds in turn and NWS angle for taxing with damaged or deflated tires?
One tire per gear (considers a 3)- 7 kts
Two tires on same gear (max 1 main)- 3kts
Max NWS angle- 30 deg
Autopilot in approach with F-G/S mode
200FT AGL
Autopilot in approach with FINAL APP, V/S or FPA mode
250ft AGL
Autopilot for ILS/MLS approach when CAT1 is displayed on FMA
160ft AGL
Autopilot for ILS/MLS approach when CAT2 or CAT3 SINGLE or CAT3 DUAL is displayed on FMA
0ft AGL if autoland
Autopilot for LPV approach (with SLS) when APPR1 is displayed on FMA
160ft AGL
Autopilot for PAR approach (precision approach radar)
250ft AGL
Autopilot after a manual go around
100ft AGL
Autopilot in all other phases (not mentioned)
500ft AGL
*if OP DES or DES, selected altitude must be higher of MDA/MDH or 500 ft AGL
Cat C Speeds (Vat 121-140)
Initial approach 160-240
Final approach 115-160
Circling 180
Missed 240
MTOW?
MLW?
MZFW?
MTOW / MLW / MZFW
77 000kg / 66 000kg / 62 500kg
75 500kg 66 000kg / 62 500 kg
71 500kg / 64 500kg / 61 000 kg
- max taxi weight 400kg extra.
Max wind for passenger door?
65kt
Max wind fwd/aft cargo operation?
40kt (50kt if nose into wind and cargo doors on leeward side)
Must be closed if >65kt
Max flaps/slats speeds A320?
1: 230
1+F: 215
2: 200
3: 185
Full: 177
Minimum control speed for landing (VMCL)?
VMCL 321 NEO: 116kt
VMCL 321: 114kt
VMCL 320: 109kt
Max wiper operating speed?
230kt
APU start during fueling/defueling permitted with following restrictions:
-if APU failed to start or following automatic shutdown, do not start.
-if fuel spills occurs, perform normal shutdown.
Minimum oil quantity A321 NEO?
10.6 qt, or 8.9 qt + estimated consumption
*Average estimated consumption = 0.45 qt/h.
Max oil pressure A321 NEO?
Above 50deg: 130.5 psi
Below 50deg: 145 psi
Max continuous oil temperature A321 NEO?
140 degrees
Max transient oil temperature A321 NEO (15min)
155 degrees
Vmca (at 0ft)?
112kt
Max recommended time without air conditioning supply?
20 minutes
Fuel imbalance (worst case)
Takeoff:
One inner full (outers balanced)- 500kg imbalance
Max outer imbalance (inners balanced)- 370kg
In flight and Landing:
One inner full (outers balanced)- 1500kg imbalance
Max outer imbalance- 690kg
Turbulence penetration?
Seats belts- On
<FL200- 250kts
FL200-310- 275kts
>FL310- 0.76
PA “All passengers and crew be seated and fasten seat belts” /immediately if req
Cat D Speeds (Vat 141-165)
Initial approach 185-250
Final approach 130-185
Circling 205
Missed 265
Obstacle clearance in circling area for CAT C and D?
400 AGL
Cat C and D circling area?
CAT C 4.2nm
CAT D 5.28nm
When to select pack flow LO?
What happens if APU is supplying?
LO- below 141 pax (168 A321)
APU automatically HI flow (A320/A321neo) or 120% (A321 CEO)
