A320 Limitations CEO & NEO Flashcards
Load acceleration limits in Clean configuration
-1 g to +2.5 g
Load acceleration limits in other than Clean configuration
0 g to +2 g
Maximum operating altitude
39,800 ft
Maximum Takeoff & Landing altitude
9,200 ft
Minimum Takeoff & Landing altitude
-2,000 ft
Maximum Runway Slope
+/- 2%
Nominal Runway Width
45 m
Maximum demonstrated crosswind for takeoff & landing
CEO
Takeoff: 38 kts
Landing: 38 kts
NEO
Takeoff: 35 kts
Landing: 38 kts
Gusts included
Maximum tailwind for takeoff & Landing
CEO
Takeoff: 10 kts
Landing: 10 kts
NEO
Takeoff: 15 kts
Landing: 15 kts (FAL: 10kts)
Maximum wind for passenger door operation
65 kts
Maximum wind for FWD & AFT cargo door operation
40 kts (increased to 50 kts is nose into wind or doors are on the leeward side)
Maximum wind for AFT & AFT cargo doors to be left open
65 kts
Maximum crosswind for Takeoff & Landing on a Damp, Wet or Contaminated runway with less than 3mm depth of contaminant
CEO
38 kts
NEO
Takeoff: 35 kts
Landing 38 kts
Maximum crosswind for Takeoff & Landing on compacted snow with OAT at or below -15 Celcius
29 kts
Maximum crosswind for Takeoff & Landing Dry or Wet snow over 3mm deep, compacted snow with OAT above -15 Celcius, Dry or Wet Snow over compacted snow, or in Slippery Wet conditions
25 kts
Maximum crosswind for Takeoff & Landing on water or slush between more than 3mm and up to 13mm deep
20 kts
Maximum crosswind for Takeoff & Landing on Ice (cold & dry)
15 kts
Are the maximum crosswind value for takeoff and landing absolute values?
No, they are only Airbus recommendations based on computations.
Maximum speed for cockpit window operation
200 kts
Maximum speed with flap lever in position 0
350kts / M 0.82
Maximum speed with flap lever in position 1, config 1
230 kts
Maximum speed with flap lever in position 1, config 1+F
215 kts
Maximum speed with flap lever in position 2
200 kts
Maximum speed with flap lever in position 3
185 kts
Maximum speed with flap lever in position FULL
177 kts
Maximum speed with landing gear down (VLE)
280 kts / M 0.67
Maximum speed at which landing gear may be extended (VLO extension)
250 kts / M 0.60
Maximum speed at which landing gear may be retracted (VLO retraction)
220 kts / M 0.54
Maximum ground speed (Tire limit)
195 kts
Minimum control speed for landing
CEO
113 kts
NEO
116 kts
When the takeoff weight is higher than 76,000 kg, what is the maximum taxi speed
20 kts during a turn
Maximum speed for wipers
230 kts
Maximum taxi weight
CEO: 77,400 kg
NEO: 79,400 kg (FAL: 77,400kg)
Maximum takeoff weight (brakes off)
CEO: 77,000 kg
NEO 79,000 kg
Maximum landing weight
CEO: 66,000 kg
NEO: 67,400 kg (FAL: 66,300 kg)
Maximum zero fuel weight
CEO
62,500 kg
NEO: 64,300kg (FAL: 62,800 kg)
Minimum weight
CEO
37,230 kg
NEO
40,600 kg
Is Landing above maximum landing weight permitted
Yes, follow the Overweight Landing QRH procedure
Recommended maximum time with passengers onboard without air conditioning supply
20 min
Can APU bleed air be used at the same time as HP Air Starter Air?
No. Check the bleed page for value in the No1 precooler for indications of HP air supply.
With OAT less than or equal to 49 Celcius, what is the limitation on aircraft electric power supply in normal avionics ventilation system configuration?
No limitation
With OAT greater than 49 but equal to or less than 55 Celcius, what is the limitation on aircraft electric power supply in normal avionics ventilation system configuration?
2 h
With OAT greater than 55 but equal to or less than 60 Celcius, what is the limitation on aircraft electric power supply in normal avionics ventilation system configuration?
1 h
With OAT greater than 60 but equal to or less than 64 Celcius, what is the limitation on aircraft electric power supply in normal avionics ventilation system configuration?
0.5 h
Maximum cabin positive differential pressure
9 PSI (+/- 0.1 PSI)
Maximum negative cabin differential pressure
-1 PSI (+/- 0.1 PSI)
Cabin Safety relief valve setting
8.6 PSI (+/- 0.1 PSI)
Maximum cabin differential pressure and safety relief valve tolerance
+/- 7 hPa (0.1 PSI)
Minimum cabin altitude selection
-2,000 ft
Maximum normal cabin altitude
8,000 ft
Cabin altitude warning
9,550 ft (+/-350 ft)
Maximum cabin altitude selection
14,000 ft
Automatic cabin outflow valve closure
15,000 ft
Can the crew use conditioned air from the PACKS and from LP Air Conditioning Unit at the same time?
No, this has an adverse effect on the Air conditioning system.
Minimum AP use height at takeoff?
100 ft agl AND at least 5s after liftoff
Minimum AP use height on approach with FINAL APP, V/S or FPA mode?
250 ft agl
Minimum AP use height on a circling approach?
500 ft agl for CAT C (Vapp between 121-140 kts)
Minimum AP use height on ILS with CAT1 displayed on FMA?
160 ft agl
Minimum AP use height on ILS when CAT2 or CAT3 (single or dual) displayed on FMA
0 ft agl if autoland
Minimum AP use height after go-around
100 ft agl
Minimum AP use height in all other phases of flight?
500 ft agl
RNP accuracy EN Route
With AP on: 1 NM
With AP OFF and FD ON: 1 NM
With AP OFF and FD OFF: 1.1 NM
RNP accuracy in Terminal Area
With AP on: 0.5 NM
With AP OFF and FD ON: 0.51 NM
With AP OFF and FD OFF: 0.51 NM
RNP accuracy in Approach
With AP on: 0.3 NM
With AP OFF and FD ON: 0.3 NM
With AP OFF and FD OFF: 0.3 NM (with F-LOC deviation, otherwise not approved)
ILS CAT 2 Minimum decision height
100 ft
ILS CAT 2 manual landing, AP disconnection height
no later than 80 ft agl
ILS CAT 3 Fail Passive (Single) Minimum decision height
50 ft
ILS CAT 3 Fail Operational (Dual) Alert height
100 ft agl
ILS CAT 3 without Decision Height minimum RVR
75 m
Maximum wind conditions for ILS CAT2/3
30 kts headwind
20 kts crosswind (without automatic rollout/ 15 kts with Automatic rollout)
10 kts Tailwind
APU start sequence limitations
3 consecutive start attempts followed by 60 min wait.
APU maximum N Speed
107%
APU maximum EGT for APU start below 35,000ft
1090 Celcius
APU maximum EGT for APU start above 35,000ft
1120 Celcius
APU maximum EGT for APU running
675 Celcius
During refueling, APU starts/shutdowns permitted with the following restrictions
If APU failed to start or following a shutdown, do NOT start the APU
If a fuel spill occurs, perform a normal APU shutdown
APU maximum altitude to assist engine start
20,000 ft
APU max altitude for air conditioning and pressurization (single pack)
22,500 ft
APU max altitude for air conditioning and pressurization (Dual pack)
15,000 ft
Is use of APU bleed air and wing anti-ice permitted
No
APU battery restart limit in Elec Emer Config
25,000ft
APU max height for electrical power supply
41,000 ft (limited by flight envelope)
Thrust time & EGT limitations on TOGA thrust with all engines operative
CEO
5 mins & 950 Celcius
NEO
5 mins & 1060 Celcius
Thrust time & EGT limitations on TOGA thrust with 1 engine inoperative
CEO
10 mins & 950 Celcius
NEO
10 mins & 1060 Celcius
Maximum Continuous Thrust EGT limit
CEO
915 Celcius
NEO
1025 Celcius
Maximum EGT for Engine start on ground or in flight
CEO
725 Celcius
NEO
On ground: 750 Celcius
In-flight: 875 Celcius
Engine Maximum N1
CEO
104 %
NEO
101%
Engine Maximum N2
CEO
105 %
NEO
116.5%
Oil Maximum continuous temperature
140 Celcius
Oil Maximum transient temperature
155 Celcius
Oil Minimum starting temperature
-40 Celcius
Oil Minimum temperature before takeoff
CEO
-10 Celcius
NEO
19 Celcius
Minimum Oil quantity
CEO
9.5 qt + 0.5 qt/hr
NEO
8.9 qt + 0.45 qt/h
Minimum Oil pressure
CEO
13 PSI
NEO
17.4 PSI
Engine start sequence limitations
CEO
1 automatic start cycle includes up to 3 attempts
For ground starts, 20 seconds pause required between cycles
15 minute cooling period required after 4 failed cycles
Starter must not be run when N2 above 20%
NEO
1 automatic start cycle includes up to 3 attempts
For ground starts, 60 seconds pause required between cycles
15 minute cooling period required after 3 failed cycles
Starter must not be run when N2 above 63%
Reverse thrust limitations
Not permitted in flight
Backing up not permitted
Maximum should not be used below 70 kts. Idle permitted to aircraft stop.
Permitted for FLEX takeoff on contaminated runways?
Not permitted
Limitations of TFLEX
CEO
Cannot be higher than TMAXFLEX, equal to ISA + 53 Celcius
Cannot be lower than flat temperature (TREF)
Cannot be lower than the actual OAT
NEO
Cannot be higher than TMAXFLEX, equal to ISA + 55 Celcius
Cannot be lower than flat temperature (TREF)
Cannot be lower than the actual OAT
Maximum operating altitude with flaps/slats extended
20,000 ft
JET A1 Fuel minimum temperature
-43 Celcius
JET A1 Fuel maximum temperature
CEO
54 Celcius
NEO
55 Celcius
Fuel Inner tank imbalance at takeoff (Outer tanks balanced)
Heavier Tank Max Asymmetry
FULL 500 KG
3000 KG 1050 KG
1450 KG 1450 KG
Fuel Outer tank imbalance at takeoff (Inner tanks balanced)
Max 370 kg asymmetry
Fuel Inner tank imbalance Inflight/Landing (Outer tanks balanced)
Heavier Tank Max Asymmetry
FULL 1500 KG
4300 KG 1600 KG
2250 KG 2250 KG
Fuel Outer tank imbalance Inflight/Landing
690 kg
One full, one empty, allowed only if inner + outer are equal on both sides OR
on lighter side outer tank, quantitiy of inner tank cannot exceed 3000kg more than opposite inner tank
Minimum fuel quantity for takeoff
1,500 kg
note: ECAM alerts relating to fuel low level, must not appear for takeoff.
Definition of Icing Conditions
Icing conditions exist when OAT (on ground or after takeoff) or TAT (in flight) is at or below 10 Celcius AND visible moiture is present (such as clouds, fog with visibility of 1 sm (1 600 m) or less, rain, snow, sleet or ice crystals).
Icing conditions also exist when the OAT on the ground and for takeoff is at or below 10 °C and operating on ramps, taxiways or runways where surface snow, standing water or slush may be ingested by the engines, or freeze on engines, nacelles or engine sensor probes.
Definition of severe Ice accretion
When airframe ice accretion reaches approximately 5mm thick or more.
Definition of thin Hoarfrost
Typically a white crystalline deposit which usually develops uniformly on exposed surfaces on cold cloudless nights. It is so thin that surface features can be distinguished beneath it.
Maximum brake temperature for takeoff
300 Celcius
Maximum NWS angle
+/- 85 degrees
If maximum one tire per gear deflated, maximum taxi speed during a turn
7 kts
If 2 tires are deflated on the same gear (maximum 1 main gear), maximum taxi speed
3 kts
Maximum NWS angle when taxiing with deflated (not damaged) tires
30 degrees
Ground alignment of IR possible between which latitudes?
82 North and 82 South
Minimum Oxygen bottle pressure must cover:
Preflight checks
The use of OXY when only 1 flight crew member in cockpit
Unusable quantity
Normal system leakage
The most demanding between:
- Loss of cabin pressure with mask in Normal flow
- During emergency decent for all flight crew members/observers for 13 mins (15 min NEO)
-During cruise at FL 100 for 2 crew members for 107 min (105 min NEO)
-Protection against smoke with 100% selected for all flight crew/observers during 15 min at 8000 ft cabin alt.
When must crew select GPWS TERR OFF
When the aircraft is less than 15 NM from the airfield
- for operations to/from runways not incorporated in the predictive GPWS database
- for specific approaches or departures as identified by the operator that potentially cause expected or spurious terrain alerts
Maximum Oil Pressure (NEO)
130.5 PSI (oil temp above 50 Celcius) 145 PSI (oil temp below 50 Celcius)
Engine start crosswind limit (NEO)
The engine is able to start in crosswind up to 45 kts
Is GA SOFT mode allowed with one engine inoperative? (NEO)
No
Ground alignment of IRs allowable between which latitudes
Between 73°N and 73°S
FAT* = Between 82°N and 82°S
In NAV mode, the IR will not provide valid magnetic heading or track angle if all ADIRUs have the same magnetic variation table:
North of 73°N, (between 90°W and 120°W)*
(North of 82° North)*
South of 60° South
*-FAT
In NAV mode, the IR will not provide valid magnetic heading or track angle if one ADIRUs has a different magnetic variation table:
North of 60° North, between 30°W and 160°W
North of 73°N (75°N)*
South of 55°S
-FAT
Is ROPS operative for runways which are not validated in the ROPS in the GPWS database?
No