Airbus A320 Limitations

Front 1

Max runway slope

Back 1

+/- 2%

Front 2

Max runway altitude

Back 2

9200’

Front 3

Nominal runway width

Back 3

150’

(Note: A319 and A320 can operate to runways as narrow as 98' when using "Narrow Runway Operations".)

Front 4

Max crosswind demonstrated

Back 4

38 knots (gust included)

Front 5

Max tailwind for takeoff

Back 5

15 knots

Front 6

Max tailwind for landing

Back 6

10 knots

Front 7

Max wind for pax door operation

Back 7

65 knots

Front 8

Load Acceleration Limits

Back 8

Clean configuration -1g to +2.5g
Slats or flaps extended 0g to +2.0g
Slats extended and flaps retracted 0g to +2.0g

Front 9

Max takeoff weight A320

Back 9

169,700 lbs

Front 10

Max landing weight A320

Back 10

145,500 lbs

Front 11

Max Operating Speeds (Vmo/Mmo)

Back 11

- Vmo 350 knots
- Mmo 0.82 Mach

Front 12

Turbulent air penetration speed A319/A320

Back 12

- Below FL200, maintain 250 knots.
- At or above FL200, maintain 275 knots / 0.76 Mach.

Front 13

Turbulent air penetration speed A321

Back 13

- Below FL200, maintain 270 knots.
- At or above FL200, maintain 300 knots / 0.76 Mach.

Front 14

Max Flaps/Slats Extended Speeds (Vfe) A319/A320

(good to know)

Back 14

1 230 KIAS Holding
1+F 215 KIAS T/O
2 200 KIAS T/O, App
3 185 KIAS T/O, App, L
FULL 177 KIAS L

Front 15

Max Flaps/Slats Extended Speeds (Vfe) A321

(good to know)

Back 15

1 235 KIAS Holding
1+F 225 KIAS T/O
2 215 KIAS T/O, App
3 195 KIAS T/O, App, L
FULL 190 KIAS L

Front 16

Max speed with landing gear extended
(Vle)

Back 16

280 knots / 0.67 Mach

Front 17

Max landing gear extension (operating) speed (Vlo)

Back 17

250 knots

Front 18

Max landing gear retraction speed

Back 18

220 knots

Front 19

Max altitude landing gear may be extended

Back 19

FL250

Front 20

Tires Max ground speed

Back 20

195 knots

Front 21

Max speed for windshield wiper in use

Back 21

230 knots

Front 22

A320/A321 Taxi Speed

Back 22

Max speed during a turn if weight > 167,500 lbs = 20 knots

Front 23

Max Design Maneuvering Speed (Va)

Back 23

Va = 0.78 Mach (above 30,000 pressure altitude)
Refer to chart for lower altitudes.

Front 24

Cabin Pressure
Max positive differential pressure
Max negative differential pressure

Back 24

+8.6 psi
-1.0 psi

Front 25

Ram Air (limitation)

(Good to know)

Back 25

Only open the ram air inlet if differential pressure is lower than 1.0 psi.

Front 26

Ground Air Conditioning
Low Pressure Ground Unit
(Limitations)

Back 26

- Do not use conditioned air simultaneously from PACK and LP ground unit (to avoid chattering of non-return valves).
- Airflow supplied by the ground cart shall not exceed 2.6 lbs/s.

Front 27

Ground Air Conditioning
High Pressure Ground Unit
(Limitations)

Back 27

- Do not use HP ground unit when the APU is supplying bleed air to avoid bleed system damage.
- An HP ground unit may be used for air conditioning provided the air supply is confirmed to be free from oil contamination.

Front 28

Min height for autopilot engagement

Back 28

- Takeoff with SRS mode 100’ AGL
- Takeoff w/o SRS mode 900’ AGL
- Go-around 100’ AGL

Front 29

Min height for autopilot disengagement

Back 29

ILS autolanding
- Certified to remain engaged

ILS Approach (when CAT2 or CAT3 is not displayed on the FMA)
- 160’ AGL

Straight in non-precision approach
- Applicable Minimum

Circling maneuver
- Applicable Circling Mins -100'

Front 30

Limitation on use of certain AP or FD modes

Back 30

Use of AP or FD in OP DES or DES mode is not authorized during approach below minimums or 500' (A319/A320), 900’ (A321), whichever is higher.

Front 31

Engine Inoperative Approaches
(limitations on these approaches)

(good to know)

Back 31

The following are not authorized with an engine inoperative:
- Autolands (CAT I,II, or III).
- The use of an autopilot to fly a non-precision approach using NAV or FINAL APP lateral modes. Only FD is permitted in this case.

Front 32

When can NAV mode be used in the terminal area?

Back 32

NAV mode may be used in the terminal area, provided:
- GPS PRIMARY is available,
- HIGH accuracy is displayed, or
- Navaid raw data is monitored.

Front 33

Glideslope angle for autoland

(Good to know)

Back 33

within -2.5° to -3.25° (A319)
within -2.5° to -3.15° (A320/A321)

Front 34

Max wind for autoland

Back 34

Based on surface wind reports incl. gusts.
- Tailwind 10 knots
- Crosswind 15 knots
- Headwind 30 knots

Front 35

Generator / TR Limitation

Back 35

Max continuous load per generator:
100% (90 kVA)

Max continuous load per TR:
200 A

Front 36

Max altitude with flaps and/or slats extended

Back 36

20,000'

Front 37

Fuel Temperature
(Note on Jet A)

Back 37

For Jet A only, if TAT reaches -34°C, monitor ECAM FUEL page that fuel temp. remains warmer than -36°C.

Front 38

Fuel Management Limitations

(Good to know)

Back 38

- Takeoff using the center tank is prohibited.
- Center tanks must be emptied before the wing tanks under normal conditions.

Front 39

Hydraulic operating pressure

Back 39

3000 psi +/- 200 psi

Front 40

Max brake temperature for takeoff (brake fans off)

Back 40

300°C

Front 41

Parking Brake Limitation

(Good to know)

Back 41

Do not set EPR above 1.19 on both engines with the parking brake on.

Front 42

APU Start Limitations (cycles)

Back 42

The APU starter duty cycle is 3 consecutive start attempts. After the third start attempt, wait 60 minutes before attempting 3 more cycles.

Front 43

Limitation on bleed extraction from the APU

Back 43

Air bleed extraction from the APU for wing and anti-ice is not permitted.

Front 44

APU start envelope with normal A/C power supply

Back 44

APU may be started and operated up to max certified pressure altitude of 39,100'.

Front 45

Max altitude for battery assisted APU start
(emergency electrical configuration)

Back 45

FL250

Front 46

Max altitude for APU bleed extraction

Back 46

- FL200 with one pack operating
- FL150 with two packs operating

Front 47

Powerplant
Time / EGT Limits
Starting

Back 47

No time limit / 635°C EGT

Front 48

Powerplant
Time / EGT Limits
Takeoff and Go-Around
A319/A320

Back 48

5 min (10 min if one engine failed) / 635°C

Front 49

Powerplant
Time / EGT Limits
Takeoff and Go-Around
A321

Back 49

5 min (10 min if one engine failed) / 650°C

Front 50

Powerplant
Time / EGT Limits
Maximum Continuous (MCT)

Back 50

Unlimited / 610°C

Front 51

Powerplant
Min oil temp prior to exceeding idle

Back 51

-10°C

Front 52

Powerplant
Min oil temp prior to takeoff

Back 52

50°C

Front 53

Powerplant
Max continuous oil temp

Back 53

155°C

Front 54

Powerplant
Max transient oil temp

Back 54

165°C (15 min)

Front 55

Powerplant
Min starting oil temp

Back 55

-40°C

Front 56

Powerplant
Min oil quantity

Back 56

11qts + est. consumption (~0.3 qt/hr)

Front 57

Powerplant
Min oil pressure

Back 57

60 psi

Front 58

Power plant starter limitations

Back 58

3 consecutive cycles: 2 cycles of 2 minutes each, followed by a 3rd cycle of 1 minute.
Pause between start attempts: 15 seconds.
Cooling period, following 3 starts attempts or 4 minutes of continuous cranking: 30 minutes.
No running engagement of the starter, when N2 is above 10% on ground, or 18% in flight.

Front 59

Reverse Thrust Limitations

Back 59

- Not permitted in flight.
- Not permitted to back up the aircraft.
- Max reverse should not be used < 70 knots or when airspeed starts to fluctuate.

Front 60

Reduced Thrust Takeoff Limitations

Back 60

1. Takeoff at reduced thrust is only permitted, if the airplane meets all applicable performance requirements at the planned takeoff weight, with the operating engines at the thrust available for the flex temperature.
2. Thrust reduction must not exceed 25% of the full rated takeoff thrust. To meet the requirement, the flexible temperature must not be higher than ISA +65 for A319, ISA +55 for A320, and ISA +42 for A321.
3. When nacelle anti-ice is used, the flex temperature must not be higher than ISA + 60 for A319.
4. The assumed temperature must not be lower than the flat rating temperature, or the actual OAT.
5. Takeoff at reduced thrust is not permitted on contaminated runways.
6. Takeoff at reduced thrust is permitted with any inoperative item affecting the performance, unless otherwise restricted by the MEL, if the associated performance shortfall has been applied to meet all performance requirements at the takeoff weight with the operating engines at the thrust available for the flex temperature.

Front 61

Powerplant Starting
Crosswind Operation on Ground

Back 61

Engine is capable of starting in crosswinds up to 35 knots.

Front 62

Limitation on use of electrical outlets

Back 62

Use of aircraft electrical outlets is prohibited during takeoff and landing.