Limitations Flashcards
Max runway slope
+/- 2%
Max runway altitude
9200’
Nominal runway width
45m
Min cleared width 30m in some cases
Max crosswind demonstrated
38 knots (gust included)
Max tailwind for takeoff A321
BR, BT, BU - 15 knots
Rest - 10 knots
Max tailwind for takeoff A320
10 knots
Max tailwind for landing A320/1
10 knots
Max wind for pax door operation
65 knots
Load Acceleration Limits
Clean configuration -1g to +2.5g
Slats or flaps extended 0g to +2.0g
Slats extended and flaps retracted 0g to +2.0g
Max Operating Speeds (Vmo/Mmo)
- Vmo 350 knots
- Mmo 0.82 Mach
Turbulent air penetration speed A320
- Below FL200, maintain 250 knots.
- At or above FL200, maintain 275 knots / 0.76 Mach.
Turbulent air penetration speed A321
- Below FL200, maintain 270 knots.
- At or above FL200, maintain 300 knots / 0.76 Mach.
Max Flaps/Slats Extended Speeds (Vfe) A320
1- 230 Knots 1+F- 215Knots 2- 200Knots 3- 185Knots F- 177Knots
Max Flaps/Slats Extended Speeds (Vfe) A321
1- 235Knots 1+F- 225Knots 2- 215Knots 3- 195Knots F- 190Knots
Max speed with landing gear extended
VLE
280 knots / 0.67 Mach
Max landing gear extension speed
VLO Extension
250 knots
Max landing gear retraction speed
VLO Retraction
220 knots
Max altitude landing gear may be extended
FL250
Tires Max ground speed
195 knots
Max speed for windshield wiper in use
230 knots
A320/A321 Taxi Speed
Max speed during a turn if weight > 76,000 = 20 knots
Max Design Manoeuvring Speed (Va)
Va = 0.78 Mach (above 30,000 pressure altitude)
Refer to chart for lower altitudes.
Cabin Pressure
Max positive differential pressure
Max negative differential pressure
+8.6 psi
-1.0 psi
Ram Air (limitation)
Only open the ram air inlet if differential pressure is lower than 1.0 psi.
Ground Air Conditioning
Low Pressure Ground Unit
(Limitations)
- 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.
Ground Air Conditioning
High Pressure Ground Unit
(Limitations)
- 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.
Min height for autopilot engagement
- Takeoff with SRS mode 100’ AGL
- Takeoff w/o SRS mode 900’ AGL
- Go-around 100’ AGL
Min height for autopilot disengagement
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 manoeuvre
- Applicable Circling MDA -100’
Limitation on use of certain AP or FD modes
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.
Engine Inoperative Approaches
limitations on these approaches
A320 OEI CAT 2 or 3A Autolands ARE approved in config FULL.
A321 OEI in config 3 or FULL
When can NAV mode be used in the terminal area?
NAV mode may be used in the terminal area, provided:
- GPS PRIMARY is available,
- HIGH accuracy is displayed, or
- Navaid raw data is monitored.
Glideslope angle for autoland
Within -2.5° to -3.15° (A320/A321)
Max wind for autoland
Based on surface wind reports incl. gusts.
- Tailwind 10 knots
- Crosswind 15 knots
- Headwind 30 knots
Generator / TR Limitation
Max continuous load:
Generator:100% (90 kVA)
TR:200 A
Max altitude with flaps and/or slats extended
20,000’
Fuel Temperature
For Jet A only, if TAT reaches -34°C, monitor ECAM FUEL page that fuel temp. remains warmer than -36°C.
Fuel Management Limitations
- Takeoff using the center tank is prohibited.
- Center tanks must be emptied before the wing tanks under normal conditions.
- Min quantity for take off: 1500Kg
Hydraulic operating pressure
3000 psi +/- 200 psi
Max brake temperature for takeoff (brake fans off)
300°C
Parking Brake Limitation
Do not set EPR above 1.19 on both engines with the parking brake on.